Changes in src/examples/sum.c [d3b7937:52f85e0]

File:

• src/examples/sum.c (modified) (2 diffs)

src/examples/sum.c

@@ -10 +10 @@
 // Created On       : Wed May 27 17:56:53 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Jan 28 17:05:53 2016
-// Update Count     : 130
+// Last Modified On : Sat Feb  6 11:57:42 2016
+// Update Count     : 182
 //
 
@@ -34 +34 @@
 // Required to satisfy sumable as char does not have addition.
 const char 0;
-char ?+?( char op1, char op2 ) { return (int)op1 + op2; } // cast forces integer addition or recursion
-char ++?( char *op ) { *op += 1; return *op; }
-char ?++( char *op ) { char temp = *op; *op += 1; return temp; }
+char ?+?( char t1, char t2 ) { return (int)t1 + t2; }   // cast forces integer addition, otherwise recursion
+char ?+=?( char *t1, char t2 ) { *t1 = *t1 + t2; return *t1; }
+char ++?( char *t ) { *t += 1; return *t; }
+char ?++( char *t ) { char temp = *t; *t += 1; return temp; }
 
 int main( void ) {
         const int low = 5, High = 15, size = High - low;
-
         ofstream *sout = ofstream_stdout();
 
-        char s = 0, a[size];
-        char v = low;
+        char s = 0, a[size], v = low;
         for ( int i = 0; i < size; i += 1, v += 1 ) {
                 s += v;
                 a[i] = v;
-        }
+        } // for
         sout | "sum from " | low | " to " | High | " is "
                  | (int)sum( size, a ) | ", check " | (int)s | endl;
 
-        int s = 0, a[size];
-        int v = low;
+        int s = 0, a[size], v = low;
         for ( int i = 0; i < size; i += 1, v += 1 ) {
                 s += (int)v;
                 a[i] = (int)v;
-        }
+        } // for
         sout | "sum from " | low | " to " | High | " is "
                  | sum( size, (int *)a ) | ", check " | (int)s | endl;
 
-        float s = 0.0, a[size];
-        float v = low / 10.0;
+        float s = 0.0, a[size], v = low / 10.0;
         for ( int i = 0; i < size; i += 1, v += 0.1f ) {
                 s += (float)v;
                 a[i] = (float)v;
-        }
+        } // for
         sout | "sum from " | low / 10.0 | " to " | High / 10.0 | " is "
                  | sum( size, (float *)a ) | ", check " | (float)s | endl;
 
-        double s = 0.0, a[size];
-        double v = low / 10.0;
+        double s = 0, a[size], v = low / 10.0;
         for ( int i = 0; i < size; i += 1, v += 0.1 ) {
                 s += (double)v;
                 a[i] = (double)v;
-        }
+        } // for
         sout | "sum from " | low / 10.0 | " to " | High / 10.0 | " is "
                  | sum( size, (double *)a ) | ", check " | (double)s | endl;
+
+        struct S { int i, j; } 0 = { 0, 0 }, 1 = { 1, 1 };
+        S ?+?( S t1, S t2 ) { S s = { t1.i + t2.i, t1.j + t2.j }; return s; }
+        S ?+=?( S *t1, S t2 ) { *t1 = *t1 + t2; return *t1; }
+        S ++?( S *t ) { *t += 1; return *t; }
+        S ?++( S *t ) { S temp = *t; *t += 1; return temp; }
+        ofstream * ?|?( ofstream * os, S v ) { return os | v.i | ' ' | v.j; }
+
+        S s = 0, a[size], v = { low, low };
+        for ( int i = 0; i < size; i += 1, v += (S)1 ) {
+                s += (S)v;
+                a[i] = (S)v;
+        } // for
+        sout | "sum from " | low | " to " | High | " is "
+                 | sum( size, (S *)a ) | ", check " | (S)s | endl;
 } // main