source:
src/examples/vector_int.c@
c2ce2350
| Last change on this file since c2ce2350 was eab39cd, checked in by , 10 years ago | |
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| File size: 1.4 KB | |
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| [86bd7c1f] | 1 | // |
| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo | |
| 3 | // | |
| 4 | // The contents of this file are covered under the licence agreement in the | |
| 5 | // file "LICENCE" distributed with Cforall. | |
| 6 | // | |
| [eab39cd] | 7 | // vector_int.c -- |
| [86bd7c1f] | 8 | // |
| 9 | // Author : Richard C. Bilson | |
| 10 | // Created On : Wed May 27 17:56:53 2015 | |
| [eab39cd] | 11 | // Last Modified By : Rob Schluntz |
| 12 | // Last Modified On : Wed Apr 06 17:18:31 2016 | |
| [86bd7c1f] | 13 | // Update Count : 3 |
| 14 | // | |
| [51b73452] | 15 | |
| 16 | #include "vector_int.h" | |
| 17 | extern "C" { | |
| 18 | #include <stdlib.h> | |
| 19 | #include <assert.h> | |
| 20 | } | |
| 21 | ||
| 22 | #define DEFAULT_CAPACITY 20 | |
| 23 | ||
| [eab39cd] | 24 | void ?{}( vector_int * vec ) { |
| 25 | vec { DEFAULT_CAPACITY }; | |
| [51b73452] | 26 | } |
| 27 | ||
| [eab39cd] | 28 | void ?{}( vector_int * vec, int reserve ) { |
| 29 | vec->last = -1; | |
| 30 | vec->capacity = reserve; | |
| 31 | vec->data = malloc( sizeof( int ) * reserve ); | |
| [51b73452] | 32 | } |
| 33 | ||
| [eab39cd] | 34 | void ^?{}( vector_int * vec ) { |
| 35 | free( vec->data ); | |
| [51b73452] | 36 | } |
| 37 | ||
| [134b86a] | 38 | void reserve( vector_int *vec, int reserve ) { |
| [86bd7c1f] | 39 | if ( reserve > vec->capacity ) { |
| 40 | vec->data = realloc( vec->data, sizeof( int ) * reserve ); | |
| 41 | vec->capacity = reserve; | |
| 42 | } | |
| [51b73452] | 43 | } |
| 44 | ||
| [134b86a] | 45 | void append( vector_int *vec, int element ) { |
| [86bd7c1f] | 46 | vec->last++; |
| 47 | if ( vec->last == vec->capacity ) { | |
| 48 | vec->capacity *= 2; | |
| 49 | vec->data = realloc( vec->data, sizeof( int ) * vec->capacity ); | |
| 50 | } | |
| 51 | vec->data[ vec->last ] = element; | |
| [51b73452] | 52 | } |
| 53 | ||
| 54 | // implement bounded_array | |
| 55 | ||
| [134b86a] | 56 | lvalue int ?[?]( vector_int vec, int index ) { |
| [86bd7c1f] | 57 | return vec.data[ index ]; |
| [51b73452] | 58 | } |
| 59 | ||
| [134b86a] | 60 | int last( vector_int vec ) { |
| [86bd7c1f] | 61 | return vec.last; |
| [51b73452] | 62 | } |
| 63 | ||
| [86bd7c1f] | 64 | |
| 65 | // Local Variables: // | |
| 66 | // tab-width: 4 // | |
| 67 | // compile-command: "cfa vector_int.c" // | |
| 68 | // End: // |
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