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BLI_array_utils: add binary and/or functions

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This commit is contained in:
Campbell Barton 2016-01-19 07:00:55 +11:00
parent 3d4b8922fc
commit 5128637d48
2 changed files with 46 additions and 0 deletions
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18
source/blender/blenlib/BLI_array_utils.h
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@ -26,6 +26,8 @@
* \brief Generic array manipulation API.
*/
#include "BLI_compiler_typecheck.h"
void _bli_array_reverse(void *arr, unsigned int arr_len, size_t arr_stride);
#define BLI_array_reverse(arr, arr_len) \
_bli_array_reverse(arr, arr_len, sizeof(*(arr)))
@ -46,4 +48,20 @@ int _bli_array_findindex(const void *arr, unsigned int arr_len, size_t arr_strid
#define BLI_array_findindex(arr, arr_len, p) \
_bli_array_findindex(arr, arr_len, sizeof(*(arr)), p)
void _bli_array_binary_and(
void *arr, const void *arr_a, const void *arr_b,
unsigned int arr_len, size_t arr_stride);
#define BLI_array_binary_and(arr, arr_a, arr_b, arr_len) \
(CHECK_TYPE_PAIR_INLINE(*(arr), *(arr_a)), \
CHECK_TYPE_PAIR_INLINE(*(arr), *(arr_b)), \
_bli_array_binary_and(arr, arr_a, arr_b, arr_len, sizeof(*(arr))))
void _bli_array_binary_or(
void *arr, const void *arr_a, const void *arr_b,
unsigned int arr_len, size_t arr_stride);
#define BLI_array_binary_or(arr, arr_a, arr_b, arr_len) \
(CHECK_TYPE_PAIR_INLINE(*(arr), *(arr_a)), \
CHECK_TYPE_PAIR_INLINE(*(arr), *(arr_b)), \
_bli_array_binary_or(arr, arr_a, arr_b, arr_len, sizeof(*(arr))))
#endif /* __BLI_ARRAY_UTILS_H__ */

28
source/blender/blenlib/intern/array_utils.c
View File

@ -142,3 +142,31 @@ int _bli_array_findindex(const void *arr, unsigned int arr_len, size_t arr_strid
}
return -1;
}
void _bli_array_binary_and(
void *arr, const void *arr_a, const void *arr_b,
unsigned int arr_len, size_t arr_stride)
{
char *dst = arr;
const char *src_a = arr_a;
const char *src_b = arr_b;
size_t i = arr_stride * arr_len;
while (i--) {
*(dst++) = *(src_a++) & *(src_b++);
}
}
void _bli_array_binary_or(
void *arr, const void *arr_a, const void *arr_b,
unsigned int arr_len, size_t arr_stride)
{
char *dst = arr;
const char *src_a = arr_a;
const char *src_b = arr_b;
size_t i = arr_stride * arr_len;
while (i--) {
*(dst++) = *(src_a++) | *(src_b++);
}
}