1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // iostream.cfa -- |
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8 | // |
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9 | // Author : Peter A. Buhr |
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10 | // Created On : Wed May 27 17:56:53 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Tue Jul 18 13:56:01 2023 |
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13 | // Update Count : 1403 |
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14 | // |
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15 | |
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16 | #include "iostream.hfa" |
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17 | |
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18 | #include <stdio.h> |
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19 | #include <stdbool.h> // true/false |
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20 | #include <stdint.h> // UINT64_MAX |
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21 | #include <float.h> // DBL_DIG, LDBL_DIG |
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22 | #include <complex.h> // creal, cimag |
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23 | //#include <string.h> // strlen, strcmp, memcpy |
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24 | extern "C" { |
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25 | extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))); |
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26 | extern int strcmp (const char *__s1, const char *__s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2))); |
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27 | extern char *strcpy (char *__restrict __dest, const char *__restrict __src) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2))); |
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28 | extern void *memcpy (void *__restrict __dest, const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2))); |
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29 | } // extern "C" |
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30 | |
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31 | #include "math.hfa" // isfinite, floor, ceiling_div |
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32 | #include "bitmanip.hfa" // high1 |
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33 | |
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34 | #pragma GCC visibility push(default) |
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35 | |
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36 | |
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37 | // *********************************** ostream *********************************** |
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38 | |
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39 | |
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40 | forall( ostype & | basic_ostream( ostype ) ) { |
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41 | ostype & ?|?( ostype & os, bool b ) { |
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42 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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43 | fmt( os, "%s", b ? "true" : "false" ); |
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44 | return os; |
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45 | } // ?|? |
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46 | OSTYPE_VOID_IMPL( bool ) |
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47 | |
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48 | ostype & ?|?( ostype & os, char c ) { |
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49 | fmt( os, "%c", c ); |
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50 | if ( c == '\n' ) setNL$( os, true ); |
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51 | return nosep( os ); |
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52 | } // ?|? |
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53 | OSTYPE_VOID_IMPL( char ) |
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54 | |
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55 | ostype & ?|?( ostype & os, signed char sc ) { |
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56 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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57 | fmt( os, "%'hhd", sc ); |
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58 | return os; |
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59 | } // ?|? |
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60 | OSTYPE_VOID_IMPL( signed char ) |
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61 | |
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62 | ostype & ?|?( ostype & os, unsigned char usc ) { |
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63 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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64 | fmt( os, "%'hhu", usc ); |
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65 | return os; |
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66 | } // ?|? |
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67 | OSTYPE_VOID_IMPL( unsigned char ) |
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68 | |
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69 | ostype & ?|?( ostype & os, short int si ) { |
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70 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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71 | fmt( os, "%'hd", si ); |
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72 | return os; |
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73 | } // ?|? |
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74 | OSTYPE_VOID_IMPL( short int ) |
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75 | |
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76 | ostype & ?|?( ostype & os, unsigned short int usi ) { |
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77 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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78 | fmt( os, "%'hu", usi ); |
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79 | return os; |
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80 | } // ?|? |
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81 | OSTYPE_VOID_IMPL( unsigned short int ) |
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82 | |
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83 | ostype & ?|?( ostype & os, int i ) { |
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84 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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85 | fmt( os, "%'d", i ); |
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86 | return os; |
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87 | } // ?|? |
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88 | OSTYPE_VOID_IMPL( int ) |
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89 | |
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90 | ostype & ?|?( ostype & os, unsigned int ui ) { |
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91 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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92 | fmt( os, "%'u", ui ); |
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93 | return os; |
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94 | } // ?|? |
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95 | OSTYPE_VOID_IMPL( unsigned int ) |
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96 | |
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97 | ostype & ?|?( ostype & os, long int li ) { |
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98 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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99 | fmt( os, "%'ld", li ); |
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100 | return os; |
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101 | } // ?|? |
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102 | OSTYPE_VOID_IMPL( long int ) |
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103 | |
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104 | ostype & ?|?( ostype & os, unsigned long int uli ) { |
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105 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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106 | fmt( os, "%'lu", uli ); |
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107 | return os; |
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108 | } // ?|? |
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109 | OSTYPE_VOID_IMPL( unsigned long int ) |
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110 | |
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111 | ostype & ?|?( ostype & os, long long int lli ) { |
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112 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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113 | fmt( os, "%'lld", lli ); |
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114 | return os; |
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115 | } // ?|? |
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116 | OSTYPE_VOID_IMPL( long long int ) |
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117 | |
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118 | ostype & ?|?( ostype & os, unsigned long long int ulli ) { |
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119 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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120 | fmt( os, "%'llu", ulli ); |
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121 | return os; |
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122 | } // ?|? |
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123 | OSTYPE_VOID_IMPL( unsigned long long int ) |
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124 | |
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125 | #if defined( __SIZEOF_INT128__ ) |
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126 | // UINT64_MAX 18_446_744_073_709_551_615_ULL |
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127 | #define P10_UINT64 10_000_000_000_000_000_000_ULL // 19 zeroes |
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128 | |
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129 | static inline void base10_128( ostype & os, unsigned int128 val ) { |
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130 | #if defined(__GNUC__) && __GNUC_PREREQ(7,0) // gcc version >= 7 |
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131 | if ( val > P10_UINT64 ) { |
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132 | #else |
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133 | if ( (uint64_t)(val >> 64) != 0 || (uint64_t)val > P10_UINT64 ) { // patch gcc 5 & 6 -O3 bug |
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134 | #endif // __GNUC_PREREQ(7,0) |
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135 | base10_128( os, val / P10_UINT64 ); // recursive |
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136 | fmt( os, "%.19lu", (uint64_t)(val % P10_UINT64) ); |
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137 | } else { |
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138 | fmt( os, "%lu", (uint64_t)val ); |
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139 | } // if |
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140 | } // base10_128 |
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141 | |
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142 | static inline void base10_128( ostype & os, int128 val ) { |
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143 | if ( val < 0 ) { |
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144 | fmt( os, "-" ); // leading negative sign |
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145 | val = -val; |
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146 | } // if |
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147 | base10_128( os, (unsigned int128)val ); // print zero/positive value |
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148 | } // base10_128 |
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149 | |
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150 | ostype & ?|?( ostype & os, int128 llli ) { |
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151 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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152 | base10_128( os, llli ); |
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153 | return os; |
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154 | } // ?|? |
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155 | OSTYPE_VOID_IMPL( int128 ) |
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156 | |
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157 | ostype & ?|?( ostype & os, unsigned int128 ullli ) { |
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158 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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159 | base10_128( os, ullli ); |
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160 | return os; |
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161 | } // ?|? |
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162 | OSTYPE_VOID_IMPL( unsigned int128 ) |
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163 | #endif // __SIZEOF_INT128__ |
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164 | |
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165 | #define PRINT_WITH_DP( os, format, val, ... ) \ |
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166 | { \ |
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167 | enum { size = 48 }; \ |
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168 | char buf[size]; \ |
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169 | int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \ |
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170 | fmt( os, "%s", buf ); \ |
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171 | if ( isfinite( val ) ) { /* if number, print decimal point when no fraction or exponent */ \ |
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172 | for ( i; 0 ~ @ ) { \ |
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173 | if ( i == len ) { fmt( os, "." ); break; } \ |
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174 | if ( buf[i] == '.' || buf[i] == 'e' || buf[i] == 'E' ) break; /* decimal point or scientific ? */ \ |
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175 | } /* for */ \ |
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176 | } /* if */ \ |
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177 | } |
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178 | |
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179 | ostype & ?|?( ostype & os, float f ) { |
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180 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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181 | PRINT_WITH_DP( os, "%'g", f ); |
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182 | return os; |
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183 | } // ?|? |
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184 | OSTYPE_VOID_IMPL( float ) |
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185 | |
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186 | ostype & ?|?( ostype & os, double d ) { |
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187 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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188 | PRINT_WITH_DP( os, "%'.*lg", d, DBL_DIG ); |
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189 | return os; |
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190 | } // ?|? |
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191 | OSTYPE_VOID_IMPL( double ) |
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192 | |
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193 | ostype & ?|?( ostype & os, long double ld ) { |
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194 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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195 | PRINT_WITH_DP( os, "%'.*Lg", ld, LDBL_DIG ); |
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196 | return os; |
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197 | } // ?|? |
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198 | OSTYPE_VOID_IMPL( long double ) |
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199 | |
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200 | ostype & ?|?( ostype & os, float _Complex fc ) { |
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201 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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202 | // os | crealf( fc ) | nonl; |
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203 | PRINT_WITH_DP( os, "%'g", crealf( fc ) ); |
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204 | PRINT_WITH_DP( os, "%'+g", cimagf( fc ) ); |
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205 | fmt( os, "i" ); |
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206 | return os; |
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207 | } // ?|? |
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208 | OSTYPE_VOID_IMPL( float _Complex ) |
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209 | |
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210 | ostype & ?|?( ostype & os, double _Complex dc ) { |
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211 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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212 | // os | creal( dc ) | nonl; |
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213 | PRINT_WITH_DP( os, "%'.*lg", creal( dc ), DBL_DIG ); |
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214 | PRINT_WITH_DP( os, "%'+.*lg", cimag( dc ), DBL_DIG ); |
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215 | fmt( os, "i" ); |
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216 | return os; |
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217 | } // ?|? |
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218 | OSTYPE_VOID_IMPL( double _Complex ) |
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219 | |
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220 | ostype & ?|?( ostype & os, long double _Complex ldc ) { |
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221 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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222 | // os | creall( ldc ) || nonl; |
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223 | PRINT_WITH_DP( os, "%'.*Lg", creall( ldc ), LDBL_DIG ); |
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224 | PRINT_WITH_DP( os, "%'+.*Lg", cimagl( ldc ), LDBL_DIG ); |
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225 | fmt( os, "i" ); |
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226 | return os; |
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227 | } // ?|? |
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228 | OSTYPE_VOID_IMPL( long double _Complex ) |
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229 | |
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230 | ostype & ?|?( ostype & os, const char s[] ) { |
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231 | enum { Open = 1, Close, OpenClose }; |
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232 | static const unsigned char mask[256] @= { |
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233 | // opening delimiters, no space after |
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234 | ['('] : Open, ['['] : Open, ['{'] : Open, |
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235 | ['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open, |
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236 | [(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open, |
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237 | // closing delimiters, no space before |
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238 | [','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close, |
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239 | ['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close, |
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240 | [')'] : Close, [']'] : Close, ['}'] : Close, |
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241 | // opening-closing delimiters, no space before or after |
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242 | ['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose, |
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243 | [' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace |
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244 | }; // mask |
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245 | |
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246 | if ( s == 0p ) { fmt( os, "%s", "0p" ); return os; } // null pointer |
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247 | if ( s[0] == '\0' ) { nosep( os ); return os; } // null string => no leading/trailing separator |
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248 | |
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249 | // first character IS NOT spacing or closing punctuation => add left separator |
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250 | unsigned char ch = s[0]; // must make unsigned |
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251 | if ( sepPrt$( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) { |
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252 | fmt( os, "%s", sepGetCur$( os ) ); |
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253 | } // if |
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254 | |
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255 | // if string starts line, must reset to determine open state because separator is off |
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256 | sepReset$( os ); // reset separator |
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257 | |
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258 | // last character IS spacing or opening punctuation => turn off separator for next item |
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259 | int len = strlen( s ); |
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260 | ch = s[len - 1]; // must make unsigned |
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261 | fmt( os, "%s", s ); // fmt resets seperator, but reset it again |
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262 | if ( sepPrt$( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) { |
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263 | sep( os ); |
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264 | } else { |
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265 | nosep( os ); |
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266 | } // if |
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267 | if ( ch == '\n' ) setNL$( os, true ); // check *AFTER* sepPrt$ call above as it resets NL flag |
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268 | return os; |
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269 | // return write( os, s, len ); |
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270 | } // ?|? |
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271 | OSTYPE_VOID_IMPL( const char * ) |
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272 | |
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273 | // ostype & ?|?( ostype & os, const char16_t * s ) { |
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274 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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275 | // fmt( os, "%ls", s ); |
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276 | // return os; |
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277 | // } // ?|? |
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278 | |
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279 | // #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous |
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280 | // ostype & ?|?( ostype & os, const char32_t * s ) { |
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281 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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282 | // fmt( os, "%ls", s ); |
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283 | // return os; |
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284 | // } // ?|? |
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285 | // #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) |
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286 | |
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287 | // ostype & ?|?( ostype & os, const wchar_t * s ) { |
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288 | // if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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289 | // fmt( os, "%ls", s ); |
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290 | // return os; |
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291 | // } // ?|? |
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292 | |
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293 | ostype & ?|?( ostype & os, const void * p ) { |
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294 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
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295 | fmt( os, "%p", p ); |
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296 | return os; |
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297 | } // ?|? |
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298 | OSTYPE_VOID_IMPL( const void * ) |
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299 | |
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300 | // manipulators |
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301 | ostype & ?|?( ostype & os, ostype & (* manip)( ostype & ) ) { |
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302 | return manip( os ); |
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303 | } // ?|? |
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304 | void ?|?( ostype & os, ostype & (* manip)( ostype & ) ) { |
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305 | manip( os ); |
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306 | if ( getPrt$( os ) ) ends( os ); // something printed ? |
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307 | setPrt$( os, false ); // turn off |
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308 | } // ?|? |
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309 | |
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310 | ostype & nl( ostype & os ) { |
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311 | (ostype &)(os | '\n'); |
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312 | setPrt$( os, false ); // turn off |
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313 | setNL$( os, true ); |
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314 | return nosep( os ); // prepare for next line |
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315 | } // nl |
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316 | |
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317 | ostype & nonl( ostype & os ) { |
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318 | setPrt$( os, false ); // turn off |
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319 | return os; |
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320 | } // nonl |
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321 | |
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322 | ostype & nlOn( ostype & os ) { |
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323 | nlOn( os ); // call void returning |
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324 | return os; |
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325 | } // nlOn |
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326 | |
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327 | ostype & nlOff( ostype & os ) { |
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328 | nlOff( os ); // call void returning |
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329 | return os; |
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330 | } // nlOff |
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331 | |
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332 | ostype & sepVal( ostype & os ) { |
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333 | return (ostype &)(os | sepGet( os )); |
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334 | } // sepVal |
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335 | |
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336 | ostype & sepTupleVal( ostype & os ) { |
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337 | return os | sepGetTuple( os ); |
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338 | } // sepTupleVal |
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339 | |
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340 | ostype & sep( ostype & os ) { |
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341 | sep( os ); // call void returning |
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342 | return os; |
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343 | } // sep |
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344 | |
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345 | ostype & nosep( ostype & os ) { |
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346 | nosep( os ); // call void returning |
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347 | return os; |
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348 | } // nosep |
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349 | |
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350 | ostype & sepOn( ostype & os ) { |
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351 | sepOn( os ); // call void returning |
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352 | return os; |
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353 | } // sepOn |
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354 | |
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355 | ostype & sepOff( ostype & os ) { |
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356 | sepOff( os ); // call void returning |
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357 | return os; |
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358 | } // sepOff |
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359 | } // distribution |
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360 | |
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361 | // tuples |
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362 | forall( ostype &, T, Params... | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) { |
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363 | ostype & ?|?( ostype & os, T arg, Params rest ) { |
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364 | (ostype &)(os | arg); // print first argument |
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365 | sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator |
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366 | (ostype &)(os | rest); // print remaining arguments |
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367 | sepSetCur$( os, sepGet( os ) ); // switch to regular separator |
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368 | return os; |
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369 | } // ?|? |
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370 | void ?|?( ostype & os, T arg, Params rest ) { |
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371 | // (ostype &)(?|?( os, arg, rest )); ends( os ); |
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372 | (ostype &)(os | arg); // print first argument |
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373 | sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator |
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374 | (ostype &)(os | rest); // print remaining arguments |
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375 | sepSetCur$( os, sepGet( os ) ); // switch to regular separator |
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376 | ends( os ); |
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377 | } // ?|? |
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378 | } // distribution |
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379 | |
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380 | // writes the range [begin, end) to the given stream |
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381 | forall( ostype &, elt_type | writeable( elt_type, ostype ), iterator_type | iterator( iterator_type, elt_type ) ) { |
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382 | void write( iterator_type begin, iterator_type end, ostype & os ) { |
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383 | void print( elt_type i ) { os | i; } |
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384 | for_each( begin, end, print ); |
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385 | } // ?|? |
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386 | |
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387 | void write_reverse( iterator_type begin, iterator_type end, ostype & os ) { |
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388 | void print( elt_type i ) { os | i; } |
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389 | for_each_reverse( begin, end, print ); |
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390 | } // ?|? |
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391 | } // distribution |
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392 | |
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393 | // *********************************** manipulators *********************************** |
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394 | |
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395 | // *********************************** integral *********************************** |
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396 | |
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397 | static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" }; |
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398 | static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" }; |
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399 | |
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400 | // Default prefix for non-decimal prints is 0b, 0, 0x. |
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401 | #define INTEGRAL_FMT_IMPL( T, IFMTNP, IFMTP ) \ |
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402 | forall( ostype & | basic_ostream( ostype ) ) { \ |
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403 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \ |
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404 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \ |
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405 | \ |
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406 | if ( f.base == 'b' || f.base == 'B' ) { /* bespoke binary format */ \ |
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407 | int bits = high1( f.val ); /* position of most significant bit */ \ |
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408 | if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \ |
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409 | int spaces; \ |
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410 | if ( ! f.flags.left ) { /* right justified ? */ \ |
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411 | /* Note, base prefix then zero padding or spacing then prefix. */ \ |
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412 | if ( f.flags.pc ) { \ |
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413 | spaces = f.wd - f.pc; \ |
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414 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \ |
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415 | if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \ |
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416 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \ |
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417 | spaces = f.pc - bits; \ |
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418 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \ |
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419 | } else { \ |
---|
420 | spaces = f.wd - bits; \ |
---|
421 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \ |
---|
422 | if ( f.flags.pad0 ) { \ |
---|
423 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \ |
---|
424 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \ |
---|
425 | } else { \ |
---|
426 | if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \ |
---|
427 | if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \ |
---|
428 | } /* if */ \ |
---|
429 | } /* if */ \ |
---|
430 | } else { \ |
---|
431 | if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \ |
---|
432 | if ( f.flags.pc ) { \ |
---|
433 | spaces = f.pc - bits; \ |
---|
434 | if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \ |
---|
435 | spaces = f.wd - f.pc; \ |
---|
436 | } else { /* pad0 flag ignored with left flag */ \ |
---|
437 | spaces = f.wd - bits; \ |
---|
438 | } /* if */ \ |
---|
439 | if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \ |
---|
440 | } /* if */ \ |
---|
441 | int shift = floor( bits - 1, 4 ); \ |
---|
442 | typeof( f.val ) temp = f.val; \ |
---|
443 | fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \ |
---|
444 | for () { \ |
---|
445 | shift -= 4; \ |
---|
446 | if ( shift < 0 ) break; \ |
---|
447 | temp = f.val; \ |
---|
448 | fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \ |
---|
449 | } /* for */ \ |
---|
450 | if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \ |
---|
451 | return os; \ |
---|
452 | } /* if */ \ |
---|
453 | \ |
---|
454 | char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \ |
---|
455 | if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \ |
---|
456 | else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \ |
---|
457 | int star = 5; /* position before first '*' */ \ |
---|
458 | \ |
---|
459 | /* Insert flags into spaces before '*', from right to left. */ \ |
---|
460 | if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \ |
---|
461 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \ |
---|
462 | if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \ |
---|
463 | if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \ |
---|
464 | fmtstr[star] = '\''; star -= 1; /* locale */ \ |
---|
465 | fmtstr[star] = '%'; \ |
---|
466 | \ |
---|
467 | if ( ! f.flags.pc ) { /* no precision */ \ |
---|
468 | fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \ |
---|
469 | /* printf( "%s %c\n", &fmtstr[star], f.base ); */ \ |
---|
470 | fmt( os, &fmtstr[star], f.wd, f.val ); \ |
---|
471 | } else { /* precision */ \ |
---|
472 | fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \ |
---|
473 | /* printf( "%s %c\n", &fmtstr[star], f.base ); */ \ |
---|
474 | fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \ |
---|
475 | } /* if */ \ |
---|
476 | return os; \ |
---|
477 | } /* ?|? */ \ |
---|
478 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \ |
---|
479 | } // distribution |
---|
480 | |
---|
481 | INTEGRAL_FMT_IMPL( signed char, " *hh ", " *.*hh " ) |
---|
482 | INTEGRAL_FMT_IMPL( unsigned char, " *hh ", " *.*hh " ) |
---|
483 | INTEGRAL_FMT_IMPL( signed short int, " *h ", " *.*h " ) |
---|
484 | INTEGRAL_FMT_IMPL( unsigned short int, " *h ", " *.*h " ) |
---|
485 | INTEGRAL_FMT_IMPL( signed int, " * ", " *.* " ) |
---|
486 | INTEGRAL_FMT_IMPL( unsigned int, " * ", " *.* " ) |
---|
487 | INTEGRAL_FMT_IMPL( signed long int, " *l ", " *.*l " ) |
---|
488 | INTEGRAL_FMT_IMPL( unsigned long int, " *l ", " *.*l " ) |
---|
489 | INTEGRAL_FMT_IMPL( signed long long int, " *ll ", " *.*ll " ) |
---|
490 | INTEGRAL_FMT_IMPL( unsigned long long int, " *ll ", " *.*ll " ) |
---|
491 | |
---|
492 | |
---|
493 | #if defined( __SIZEOF_INT128__ ) |
---|
494 | // Default prefix for non-decimal prints is 0b, 0, 0x. |
---|
495 | forall( ostype & | basic_ostream( ostype ) ) |
---|
496 | static inline void base_128( ostype & os, unsigned int128 val, unsigned int128 power, _Ostream_Manip(uint64_t) & f, unsigned int maxdig, unsigned int bits, unsigned int cnt = 0 ) { |
---|
497 | int wd = 1; // f.wd is never 0 because 0 implies left-pad |
---|
498 | if ( val > power ) { // subdivide value into printable 64-bit values |
---|
499 | base_128( os, val / power, power, f, maxdig, bits, cnt + 1 ); // recursive |
---|
500 | f.val = val % power; |
---|
501 | if ( cnt == 1 && f.flags.left ) { wd = f.wd; f.wd = maxdig; } // copy f.wd and reset for printing middle chunk |
---|
502 | // printf( "R val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n", |
---|
503 | // f.val, f.val, f.wd, f.pc, f.base, f.flags.neg, f.flags.pc, f.flags.left, f.flags.nobsdp, f.flags.sign, f.flags.pad0 ); |
---|
504 | (ostype &)(os | f); |
---|
505 | if ( cnt == 1 ) { |
---|
506 | if ( f.flags.left ) { wd -= maxdig; f.wd = wd < 0 ? 1 : wd; } // update and restore f.wd for printing end chunk |
---|
507 | nosep( os ); // no seperator between chunks |
---|
508 | } // if |
---|
509 | } else { // print start chunk |
---|
510 | f.val = val; |
---|
511 | // f.pc is unsigned => use wd |
---|
512 | if ( f.flags.pc && f.pc > maxdig * cnt ) { wd = f.pc - maxdig * cnt; f.pc = wd < 0 ? 0 : wd; } |
---|
513 | else { f.flags.pc = false; f.pc = 0; } |
---|
514 | |
---|
515 | if ( ! f.flags.left ) { // right justify |
---|
516 | wd = f.wd - maxdig * cnt; |
---|
517 | f.wd = wd < 0 ? 1 : wd; |
---|
518 | wd = maxdig; |
---|
519 | } else { // left justify |
---|
520 | if ( cnt != 0 ) { // value >= 2^64 ? |
---|
521 | unsigned int dig, bs = 0; |
---|
522 | // compute size of prefix digits and base |
---|
523 | if ( f.base == 'd' || f.base == 'u' ) { // no base prefix |
---|
524 | dig = ceil( log10( f.val ) ); // use floating-point |
---|
525 | if ( f.base == 'd' && (f.flags.neg || f.flags.sign) ) bs = 1; // sign ? |
---|
526 | } else { |
---|
527 | dig = ceiling_div( high1( f.val ), bits ); |
---|
528 | if ( ! f.flags.nobsdp ) { // base prefix ? |
---|
529 | if ( f.base == 'o' ) { |
---|
530 | // 0 prefix for octal is not added for precision with leading zero |
---|
531 | if ( f.pc <= dig ) bs = 1; // 1 character prefix |
---|
532 | } else bs = 2; // 2 character prefix |
---|
533 | } // if |
---|
534 | } // if |
---|
535 | wd = f.wd - (f.pc > dig ? f.pc : dig) - bs; // precision > leading digits ? |
---|
536 | if ( wd < 0 ) wd = 1; |
---|
537 | f.wd = 1; |
---|
538 | } // if |
---|
539 | // all manipulators handled implicitly for value < 2^64 |
---|
540 | } // if |
---|
541 | // prior checks ensure wd not negative |
---|
542 | |
---|
543 | if ( f.flags.neg ) f.val = -f.val; |
---|
544 | // printf( "L val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n", |
---|
545 | // f.val, f.val, f.wd, f.pc, f.base, f.flags.neg, f.flags.pc, f.flags.left, f.flags.nobsdp, f.flags.sign, f.flags.pad0 ); |
---|
546 | (ostype &)(os | f); |
---|
547 | |
---|
548 | // remaining middle and end chunks are padded with 0s on the left |
---|
549 | if ( ! f.flags.left ) { f.flags.pad0 = true; f.flags.pc = false; } // left pad with 0s |
---|
550 | else { f.pc = maxdig; f.flags.pc = true; } // left pad with precision |
---|
551 | |
---|
552 | if ( cnt != 0 ) nosep( os ); // no seperator between chunks |
---|
553 | f.wd = wd; // reset f.wd for next chunk |
---|
554 | f.flags.sign = false; // no leading +/- sign |
---|
555 | f.flags.nobsdp = true; // no leading base prefix |
---|
556 | } // if |
---|
557 | } // base_128 |
---|
558 | |
---|
559 | #define INTEGRAL_FMT_IMPL128( T ) \ |
---|
560 | forall( ostype & | basic_ostream( ostype ) ) { \ |
---|
561 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \ |
---|
562 | _Ostream_Manip(uint64_t) fmt; \ |
---|
563 | fmt.[wd, pc, base, all] = f.[wd, pc, base, all]; \ |
---|
564 | if ( f.base == 'b' | f.base == 'B' ) { \ |
---|
565 | base_128( os, f.val, (unsigned int128)1 << 64, fmt, 64, 1 ); \ |
---|
566 | } else if ( f.base == 'o' ) { \ |
---|
567 | base_128( os, f.val, (unsigned int128)1 << 63, fmt, 21, 3 ); \ |
---|
568 | } else if ( f.base == 'd' || f.base == 'u' ) { \ |
---|
569 | if ( f.base == 'd' && f.val < 0 ) { f.val = -f.val; fmt.flags.neg = true; } \ |
---|
570 | base_128( os, f.val, (unsigned int128)10_000_000_000_000_000_000UL, fmt, 19, 0 ); \ |
---|
571 | } else { \ |
---|
572 | base_128( os, f.val, (unsigned int128)1 << 64, fmt, 16, 4 ); \ |
---|
573 | } /* if */ \ |
---|
574 | return os; \ |
---|
575 | } /* ?|? */ \ |
---|
576 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \ |
---|
577 | } // distribution |
---|
578 | |
---|
579 | INTEGRAL_FMT_IMPL128( int128 ) |
---|
580 | INTEGRAL_FMT_IMPL128( unsigned int128 ) |
---|
581 | #endif // __SIZEOF_INT128__ |
---|
582 | |
---|
583 | // *********************************** floating point *********************************** |
---|
584 | |
---|
585 | static const char *suffixes[] = { |
---|
586 | "y", "z", "a", "f", "p", "n", "u", "m", "", |
---|
587 | "K", "M", "G", "T", "P", "E", "Z", "Y" |
---|
588 | }; |
---|
589 | #define SUFFIXES_START (-24) /* Smallest power for which there is a suffix defined. */ |
---|
590 | #define SUFFIXES_END (SUFFIXES_START + (int)((sizeof(suffixes) / sizeof(char *) - 1) * 3)) |
---|
591 | |
---|
592 | #define PRINT_WITH_DP2( os, format, ... ) \ |
---|
593 | { \ |
---|
594 | if ( ! f.flags.eng ) { \ |
---|
595 | len = snprintf( buf, size, format, ##__VA_ARGS__ ); \ |
---|
596 | if ( isfinite( f.val ) && ( f.pc != 0 || ! f.flags.nobsdp ) ) { /* if number, print decimal point when no fraction or exponent */ \ |
---|
597 | for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E'; i += 1 ); /* decimal point or scientific ? */ \ |
---|
598 | if ( i == len ) { \ |
---|
599 | if ( ! f.flags.left ) { \ |
---|
600 | buf[i] = '.'; buf[i + 1] = '\0'; \ |
---|
601 | if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \ |
---|
602 | } else { \ |
---|
603 | for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \ |
---|
604 | buf[i] = '.'; \ |
---|
605 | if ( i == len ) buf[i + 1] = '\0'; \ |
---|
606 | } /* if */ \ |
---|
607 | } /* if */ \ |
---|
608 | } /* if */ \ |
---|
609 | } else { \ |
---|
610 | int exp10, len2; \ |
---|
611 | eng( f.val, f.pc, exp10 ); /* changes arguments */ \ |
---|
612 | /* printf( "%g %d %d %d %s\n", f.val, f.wd, f.pc, exp10, format ); */ \ |
---|
613 | if ( ! f.flags.left && f.wd > 1 ) { \ |
---|
614 | /* Exponent size: 'e', optional minus sign, number of digits: log10(0) => undefined */ \ |
---|
615 | f.wd -= 1 + (exp10 < 0 ? 1 : 0) + lrint( floor( exp10 == 0 ? 0 : log10( abs( exp10 ) ) ) ) + 1; \ |
---|
616 | if ( f.wd < 1 ) f.wd = 1; \ |
---|
617 | } /* if */ \ |
---|
618 | len = snprintf( buf, size, format, ##__VA_ARGS__ ); \ |
---|
619 | if ( f.flags.left ) { \ |
---|
620 | for ( len -= 1; len > 0 && buf[len] == ' '; len -= 1 ); \ |
---|
621 | len += 1; \ |
---|
622 | } /* if */ \ |
---|
623 | if ( ! f.flags.nobsdp || (exp10 < SUFFIXES_START) || (exp10 > SUFFIXES_END) ) { \ |
---|
624 | len2 = snprintf( &buf[len], size - len, "e%d", (int)exp10 /* ambiguity with function exp10 */ ); \ |
---|
625 | } else { \ |
---|
626 | len2 = snprintf( &buf[len], size - len, "%s", suffixes[(exp10 - SUFFIXES_START) / 3] ); \ |
---|
627 | } /* if */ \ |
---|
628 | if ( f.flags.left && len + len2 < f.wd ) buf[len + len2] = ' '; \ |
---|
629 | } /* if */ \ |
---|
630 | fmt( os, "%s", &buf[bufbeg] ); \ |
---|
631 | } |
---|
632 | |
---|
633 | #define FLOATING_POINT_FMT_IMPL( T, DFMTNP, DFMTP ) \ |
---|
634 | forall( ostype & | basic_ostream( ostype ) ) { \ |
---|
635 | static void eng( T &value, int & pc, int & exp10 ) { \ |
---|
636 | exp10 = lrint( floor( log10( abs( value ) ) ) ); /* round to desired precision */ \ |
---|
637 | if ( exp10 < 0 ) exp10 -= 2; \ |
---|
638 | exp10 = floor( exp10, 3 ); \ |
---|
639 | value *= pow( 10.0, -exp10 ); \ |
---|
640 | if ( pc <= 3 ) pc = 3; \ |
---|
641 | } /* eng */ \ |
---|
642 | \ |
---|
643 | ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \ |
---|
644 | enum { size = 48 }; \ |
---|
645 | char buf[size]; \ |
---|
646 | int bufbeg = 0, i, len; \ |
---|
647 | \ |
---|
648 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \ |
---|
649 | char fmtstr[sizeof(DFMTP) + 8]; /* sizeof includes '\0' */ \ |
---|
650 | if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \ |
---|
651 | else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \ |
---|
652 | int star = 5; /* position before first '*' */ \ |
---|
653 | \ |
---|
654 | /* Insert flags into spaces before '*', from right to left. */ \ |
---|
655 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \ |
---|
656 | if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \ |
---|
657 | if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \ |
---|
658 | fmtstr[star] = '\''; star -= 1; /* locale */ \ |
---|
659 | fmtstr[star] = '%'; \ |
---|
660 | \ |
---|
661 | if ( ! f.flags.pc ) { /* no precision */ \ |
---|
662 | fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \ |
---|
663 | /* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star] ); */ \ |
---|
664 | PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.val ) \ |
---|
665 | } else { /* precision */ \ |
---|
666 | fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \ |
---|
667 | /* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \ |
---|
668 | PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.pc, f.val ) \ |
---|
669 | } /* if */ \ |
---|
670 | return os; \ |
---|
671 | } /* ?|? */ \ |
---|
672 | \ |
---|
673 | OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \ |
---|
674 | } // distribution |
---|
675 | |
---|
676 | FLOATING_POINT_FMT_IMPL( double, " * ", " *.* " ) |
---|
677 | FLOATING_POINT_FMT_IMPL( long double, " *L ", " *.*L " ) |
---|
678 | |
---|
679 | // *********************************** character *********************************** |
---|
680 | |
---|
681 | forall( ostype & | basic_ostream( ostype ) ) { |
---|
682 | ostype & ?|?( ostype & os, _Ostream_Manip(char) f ) { |
---|
683 | if ( f.base != 'c' ) { // bespoke binary/octal/hex format |
---|
684 | _Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} }; |
---|
685 | fmtuc.flags.pc = f.flags.pc; |
---|
686 | fmtuc.flags.nobsdp = f.flags.nobsdp; |
---|
687 | // os | fmtuc | nonl; |
---|
688 | (ostype &)(os | fmtuc); |
---|
689 | return os; |
---|
690 | } // if |
---|
691 | |
---|
692 | if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
---|
693 | |
---|
694 | #define CFMTNP "% * " |
---|
695 | char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0' |
---|
696 | memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) ); |
---|
697 | int star = 1; // position before first '*' |
---|
698 | |
---|
699 | // Insert flags into spaces before '*', from right to left. |
---|
700 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } |
---|
701 | fmtstr[star] = '%'; |
---|
702 | |
---|
703 | fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0' |
---|
704 | // printf( "%d %s\n", f.wd, &fmtstr[star] ); |
---|
705 | fmt( os, &fmtstr[star], f.wd, f.val ); |
---|
706 | return os; |
---|
707 | } // ?|? |
---|
708 | OSTYPE_VOID_IMPL( _Ostream_Manip(char) ) |
---|
709 | } // distribution |
---|
710 | |
---|
711 | // *********************************** C string *********************************** |
---|
712 | |
---|
713 | forall( ostype & | basic_ostream( ostype ) ) { |
---|
714 | ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f ) { |
---|
715 | if ( ! f.val ) return os; // null pointer ? |
---|
716 | |
---|
717 | if ( f.base != 's' ) { // bespoke binary/octal/hex format |
---|
718 | _Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} }; |
---|
719 | fmtuc.flags.pc = f.flags.pc; |
---|
720 | fmtuc.flags.nobsdp = f.flags.nobsdp; |
---|
721 | for ( i; 0 ~ @ : @; f.val[i] != '\0' ) { |
---|
722 | fmtuc.val = f.val[i]; |
---|
723 | // os | fmtuc | nonl; |
---|
724 | (ostype &)(os | fmtuc); |
---|
725 | } // for |
---|
726 | return os; |
---|
727 | } // if |
---|
728 | |
---|
729 | if ( f.val[0] != '\0' && // null string => no leading separator |
---|
730 | sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); |
---|
731 | |
---|
732 | #define SFMTNP "% * " |
---|
733 | #define SFMTP "% *.* " |
---|
734 | char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0' |
---|
735 | if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) ); |
---|
736 | else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) ); |
---|
737 | int star = 1; // position before first '*' |
---|
738 | |
---|
739 | // Insert flags into spaces before '*', from right to left. |
---|
740 | if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } |
---|
741 | fmtstr[star] = '%'; |
---|
742 | |
---|
743 | if ( ! f.flags.pc ) { // no precision |
---|
744 | // printf( "%d %s\n", f.wd, &fmtstr[star] ); |
---|
745 | fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0' |
---|
746 | fmt( os, &fmtstr[star], f.wd, f.val ); |
---|
747 | } else { // precision |
---|
748 | fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0' |
---|
749 | // printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] ); |
---|
750 | fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); |
---|
751 | } // if |
---|
752 | if ( f.val[0] == '\0' ) { nosep( os ); } // null string => no trailing separator |
---|
753 | return os; |
---|
754 | } // ?|? |
---|
755 | OSTYPE_VOID_IMPL( _Ostream_Manip(const char *) ) |
---|
756 | } // distribution |
---|
757 | |
---|
758 | |
---|
759 | // *********************************** istream *********************************** |
---|
760 | |
---|
761 | |
---|
762 | forall( istype & | basic_istream( istype ) ) { |
---|
763 | istype & ?|?( istype & is, bool & b ) { |
---|
764 | char val[6]; |
---|
765 | fmt( is, "%5s", val ); |
---|
766 | if ( strcmp( val, "true" ) == 0 ) b = true; |
---|
767 | else if ( strcmp( val, "false" ) == 0 ) b = false; |
---|
768 | else { |
---|
769 | fprintf( stderr, "invalid Boolean constant\n" ); |
---|
770 | abort(); // cannot use abort stream |
---|
771 | } // if |
---|
772 | return is; |
---|
773 | } // ?|? |
---|
774 | ISTYPE_VOID_IMPL( bool & ) |
---|
775 | |
---|
776 | istype & ?|?( istype & is, char & c ) { |
---|
777 | char temp; |
---|
778 | for () { |
---|
779 | fmt( is, "%c", &temp ); // must pass pointer through varg to fmt |
---|
780 | // do not overwrite parameter with newline unless appropriate |
---|
781 | if ( temp != '\n' || getANL$( is ) ) { c = temp; break; } |
---|
782 | if ( eof( is ) ) break; |
---|
783 | } // for |
---|
784 | return is; |
---|
785 | } // ?|? |
---|
786 | ISTYPE_VOID_IMPL( char & ) |
---|
787 | |
---|
788 | istype & ?|?( istype & is, signed char & sc ) { |
---|
789 | fmt( is, "%hhi", &sc ); |
---|
790 | return is; |
---|
791 | } // ?|? |
---|
792 | ISTYPE_VOID_IMPL( signed char & ) |
---|
793 | |
---|
794 | istype & ?|?( istype & is, unsigned char & usc ) { |
---|
795 | fmt( is, "%hhi", &usc ); |
---|
796 | return is; |
---|
797 | } // ?|? |
---|
798 | ISTYPE_VOID_IMPL( unsigned char & ) |
---|
799 | |
---|
800 | istype & ?|?( istype & is, short int & si ) { |
---|
801 | fmt( is, "%hi", &si ); |
---|
802 | return is; |
---|
803 | } // ?|? |
---|
804 | ISTYPE_VOID_IMPL( short int & ) |
---|
805 | |
---|
806 | istype & ?|?( istype & is, unsigned short int & usi ) { |
---|
807 | fmt( is, "%hi", &usi ); |
---|
808 | return is; |
---|
809 | } // ?|? |
---|
810 | ISTYPE_VOID_IMPL( unsigned short int & ) |
---|
811 | |
---|
812 | istype & ?|?( istype & is, int & i ) { |
---|
813 | fmt( is, "%i", &i ); |
---|
814 | return is; |
---|
815 | } // ?|? |
---|
816 | ISTYPE_VOID_IMPL( int & ) |
---|
817 | |
---|
818 | istype & ?|?( istype & is, unsigned int & ui ) { |
---|
819 | fmt( is, "%i", &ui ); |
---|
820 | return is; |
---|
821 | } // ?|? |
---|
822 | ISTYPE_VOID_IMPL( unsigned int & ) |
---|
823 | |
---|
824 | istype & ?|?( istype & is, long int & li ) { |
---|
825 | fmt( is, "%li", &li ); |
---|
826 | return is; |
---|
827 | } // ?|? |
---|
828 | ISTYPE_VOID_IMPL( long int & ) |
---|
829 | |
---|
830 | istype & ?|?( istype & is, unsigned long int & ulli ) { |
---|
831 | fmt( is, "%li", &ulli ); |
---|
832 | return is; |
---|
833 | } // ?|? |
---|
834 | ISTYPE_VOID_IMPL( unsigned long int & ) |
---|
835 | |
---|
836 | istype & ?|?( istype & is, long long int & lli ) { |
---|
837 | fmt( is, "%lli", &lli ); |
---|
838 | return is; |
---|
839 | } // ?|? |
---|
840 | ISTYPE_VOID_IMPL( long long int & ) |
---|
841 | |
---|
842 | istype & ?|?( istype & is, unsigned long long int & ulli ) { |
---|
843 | fmt( is, "%lli", &ulli ); |
---|
844 | return is; |
---|
845 | } // ?|? |
---|
846 | ISTYPE_VOID_IMPL( unsigned long long int & ) |
---|
847 | |
---|
848 | #if defined( __SIZEOF_INT128__ ) |
---|
849 | istype & ?|?( istype & is, int128 & llli ) { |
---|
850 | return (istype &)(is | (unsigned int128 &)llli); |
---|
851 | } // ?|? |
---|
852 | ISTYPE_VOID_IMPL( int128 & ) |
---|
853 | |
---|
854 | istype & ?|?( istype & is, unsigned int128 & ullli ) { |
---|
855 | char s[40]; |
---|
856 | bool sign = false; |
---|
857 | |
---|
858 | if ( fmt( is, " %[-]", s ) == 1 ) sign = true; // skip whitespace, negative sign ? |
---|
859 | // If the input is too large, the value returned is undefined. If there is no input, no value is returned |
---|
860 | if ( fmt( is, "%39[0-9]%*[0-9]", s ) == 1 ) { // take first 39 characters, ignore remaining |
---|
861 | ullli = 0; |
---|
862 | for ( i; 0 ~ @ : @; s[i] != '\0' ) { |
---|
863 | ullli = ullli * 10 + s[i] - '0'; |
---|
864 | } // for |
---|
865 | if ( sign ) ullli = -ullli; |
---|
866 | } else if ( sign ) ungetc( is, '-' ); // return minus when no digits |
---|
867 | return is; |
---|
868 | } // ?|? |
---|
869 | ISTYPE_VOID_IMPL( unsigned int128 & ) |
---|
870 | #endif // __SIZEOF_INT128__ |
---|
871 | |
---|
872 | istype & ?|?( istype & is, float & f ) { |
---|
873 | fmt( is, "%f", &f ); |
---|
874 | return is; |
---|
875 | } // ?|? |
---|
876 | ISTYPE_VOID_IMPL( float & ) |
---|
877 | |
---|
878 | istype & ?|?( istype & is, double & d ) { |
---|
879 | fmt( is, "%lf", &d ); |
---|
880 | return is; |
---|
881 | } // ?|? |
---|
882 | ISTYPE_VOID_IMPL( double & ) |
---|
883 | |
---|
884 | istype & ?|?( istype & is, long double & ld ) { |
---|
885 | fmt( is, "%Lf", &ld ); |
---|
886 | return is; |
---|
887 | } // ?|? |
---|
888 | ISTYPE_VOID_IMPL( long double & ) |
---|
889 | |
---|
890 | istype & ?|?( istype & is, float _Complex & fc ) { |
---|
891 | float re, im; |
---|
892 | fmt( is, "%f%fi", &re, &im ); |
---|
893 | fc = re + im * _Complex_I; |
---|
894 | return is; |
---|
895 | } // ?|? |
---|
896 | ISTYPE_VOID_IMPL( float _Complex & ) |
---|
897 | |
---|
898 | istype & ?|?( istype & is, double _Complex & dc ) { |
---|
899 | double re, im; |
---|
900 | fmt( is, "%lf%lfi", &re, &im ); |
---|
901 | dc = re + im * _Complex_I; |
---|
902 | return is; |
---|
903 | } // ?|? |
---|
904 | ISTYPE_VOID_IMPL( double _Complex & ) |
---|
905 | |
---|
906 | istype & ?|?( istype & is, long double _Complex & ldc ) { |
---|
907 | long double re, im; |
---|
908 | fmt( is, "%Lf%Lfi", &re, &im ); |
---|
909 | ldc = re + im * _Complex_I; |
---|
910 | return is; |
---|
911 | } // ?|? |
---|
912 | ISTYPE_VOID_IMPL( long double _Complex & ) |
---|
913 | |
---|
914 | // istype & ?|?( istype & is, const char fmt[] ) { |
---|
915 | // fmt( is, fmt, "" ); |
---|
916 | // return is; |
---|
917 | // } // ?|? |
---|
918 | |
---|
919 | istype & ?|?( istype & is, char s[] ) { |
---|
920 | fmt( is, "%s", s ); |
---|
921 | return is; |
---|
922 | } // ?|? |
---|
923 | ISTYPE_VOID_IMPL( char * ) |
---|
924 | |
---|
925 | // manipulators |
---|
926 | istype & ?|?( istype & is, istype & (* manip)( istype & ) ) { |
---|
927 | return manip( is ); |
---|
928 | } // ?|? |
---|
929 | void ?|?( istype & is, istype & (* manip)( istype & ) ) { |
---|
930 | manip( is ); ends( is ); |
---|
931 | } // ?|? |
---|
932 | |
---|
933 | istype & nl( istype & is ) { |
---|
934 | fmt( is, "%*[^\n]" ); // ignore characters to newline |
---|
935 | return is; |
---|
936 | } // nl |
---|
937 | |
---|
938 | istype & nlOn( istype & is ) { |
---|
939 | nlOn( is ); // call void returning |
---|
940 | return is; |
---|
941 | } // nlOn |
---|
942 | |
---|
943 | istype & nlOff( istype & is ) { |
---|
944 | nlOff( is ); // call void returning |
---|
945 | return is; |
---|
946 | } // nlOff |
---|
947 | } // distribution |
---|
948 | |
---|
949 | // *********************************** manipulators *********************************** |
---|
950 | |
---|
951 | forall( istype & | basic_istream( istype ) ) { |
---|
952 | istype & ?|?( istype & is, _Istream_Cstr f ) { |
---|
953 | // skip xxx |
---|
954 | if ( ! f.s ) { |
---|
955 | // printf( "skip %s %d\n", f.scanset, f.wd ); |
---|
956 | if ( f.wd == -1 ) fmt( is, f.scanset, "" ); // no input arguments |
---|
957 | else for ( f.wd ) fmt( is, "%*c" ); |
---|
958 | return is; |
---|
959 | } // if |
---|
960 | size_t len = 0; |
---|
961 | if ( f.scanset ) len = strlen( f.scanset ); |
---|
962 | char fmtstr[len + 16]; |
---|
963 | int start = 1; |
---|
964 | fmtstr[0] = '%'; |
---|
965 | if ( f.flags.ignore ) { fmtstr[1] = '*'; start += 1; } |
---|
966 | if ( f.wd != -1 ) { start += sprintf( &fmtstr[start], "%d", f.wd ); } |
---|
967 | // cstr %s, %*s, %ws, %*ws |
---|
968 | if ( ! f.scanset ) { |
---|
969 | fmtstr[start] = 's'; fmtstr[start + 1] = '\0'; |
---|
970 | // printf( "cstr %s\n", fmtstr ); |
---|
971 | fmt( is, fmtstr, f.s ); |
---|
972 | return is; |
---|
973 | } // if |
---|
974 | // incl %[xxx], %*[xxx], %w[xxx], %*w[xxx] |
---|
975 | // excl %[^xxx], %*[^xxx], %w[^xxx], %*w[^xxx] |
---|
976 | fmtstr[start] = '['; start += 1; |
---|
977 | if ( f.flags.inex ) { fmtstr[start] = '^'; start += 1; } |
---|
978 | strcpy( &fmtstr[start], f.scanset ); // copy includes '\0' |
---|
979 | len += start; |
---|
980 | fmtstr[len] = ']'; fmtstr[len + 1] = '\0'; |
---|
981 | // printf( "incl/excl %s\n", fmtstr ); |
---|
982 | fmt( is, fmtstr, f.s ); |
---|
983 | return is; |
---|
984 | } // ?|? |
---|
985 | ISTYPE_VOID_IMPL( _Istream_Cstr ) |
---|
986 | |
---|
987 | istype & ?|?( istype & is, _Istream_Char f ) { |
---|
988 | fmt( is, "%*c" ); // argument variable unused |
---|
989 | return is; |
---|
990 | } // ?|? |
---|
991 | ISTYPE_VOID_IMPL( _Istream_Char ) |
---|
992 | } // distribution |
---|
993 | |
---|
994 | #define INPUT_FMT_IMPL( T, CODE ) \ |
---|
995 | forall( istype & | basic_istream( istype ) ) { \ |
---|
996 | istype & ?|?( istype & is, _Istream_Manip(T) f ) { \ |
---|
997 | enum { size = 16 }; \ |
---|
998 | char fmtstr[size]; \ |
---|
999 | if ( f.wd == -1 ) { \ |
---|
1000 | snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \ |
---|
1001 | } else { \ |
---|
1002 | snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \ |
---|
1003 | } /* if */ \ |
---|
1004 | /* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \ |
---|
1005 | fmt( is, fmtstr, &f.val ); \ |
---|
1006 | return is; \ |
---|
1007 | } /* ?|? */ \ |
---|
1008 | ISTYPE_VOID_IMPL( _Istream_Manip(T) ) \ |
---|
1009 | } // distribution |
---|
1010 | |
---|
1011 | INPUT_FMT_IMPL( signed char, "hhi" ) |
---|
1012 | INPUT_FMT_IMPL( unsigned char, "hhi" ) |
---|
1013 | INPUT_FMT_IMPL( signed short int, "hi" ) |
---|
1014 | INPUT_FMT_IMPL( unsigned short int, "hi" ) |
---|
1015 | INPUT_FMT_IMPL( signed int, "i" ) |
---|
1016 | INPUT_FMT_IMPL( unsigned int, "i" ) |
---|
1017 | INPUT_FMT_IMPL( signed long int, "li" ) |
---|
1018 | INPUT_FMT_IMPL( unsigned long int, "li" ) |
---|
1019 | INPUT_FMT_IMPL( signed long long int, "lli" ) |
---|
1020 | INPUT_FMT_IMPL( unsigned long long int, "lli" ) |
---|
1021 | |
---|
1022 | INPUT_FMT_IMPL( float, "f" ) |
---|
1023 | INPUT_FMT_IMPL( double, "lf" ) |
---|
1024 | INPUT_FMT_IMPL( long double, "Lf" ) |
---|
1025 | |
---|
1026 | forall( istype & | basic_istream( istype ) ) { |
---|
1027 | istype & ?|?( istype & is, _Istream_Manip(float _Complex) fc ) { |
---|
1028 | float re, im; |
---|
1029 | _Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore }; |
---|
1030 | is | fmtuc; |
---|
1031 | &fmtuc.val = &im; |
---|
1032 | is | fmtuc; |
---|
1033 | if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore |
---|
1034 | return is; |
---|
1035 | } // ?|? |
---|
1036 | ISTYPE_VOID_IMPL( _Istream_Manip(float _Complex) ) |
---|
1037 | |
---|
1038 | istype & ?|?( istype & is, _Istream_Manip(double _Complex) dc ) { |
---|
1039 | double re, im; |
---|
1040 | _Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore }; |
---|
1041 | is | fmtuc; |
---|
1042 | &fmtuc.val = &im; |
---|
1043 | is | fmtuc; |
---|
1044 | if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore |
---|
1045 | return is; |
---|
1046 | } // ?|? |
---|
1047 | ISTYPE_VOID_IMPL( _Istream_Manip(double _Complex) ) |
---|
1048 | |
---|
1049 | istype & ?|?( istype & is, _Istream_Manip(long double _Complex) ldc ) { |
---|
1050 | long double re, im; |
---|
1051 | _Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore }; |
---|
1052 | is | fmtuc; |
---|
1053 | &fmtuc.val = &im; |
---|
1054 | is | fmtuc; |
---|
1055 | if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore |
---|
1056 | return is; |
---|
1057 | } // ?|? |
---|
1058 | ISTYPE_VOID_IMPL( _Istream_Manip(long double _Complex) ) |
---|
1059 | } // distribution |
---|
1060 | |
---|
1061 | // Local Variables: // |
---|
1062 | // tab-width: 4 // |
---|
1063 | // compile-command: "cfa iostream.cfa" // |
---|
1064 | // End: // |
---|