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helper for get sign of integer

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This commit is contained in:
Recep Aslantas
2016-10-26 14:37:06 +03:00
parent a410b880b4
commit 4ac8eaa1c9
1 changed files with 11 additions and 0 deletions
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11
include/cglm-util.h
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@@ -10,6 +10,17 @@
#include "cglm-common.h" #include "cglm-common.h"
/*!
* @brief get sign of 32 bit integer as +1 or -1
*
* @param X integer value
*/
CGLM_INLINE
int
glm_sign(int val) {
return ((val >> 31) - (-val >> 31));
}
CGLM_INLINE CGLM_INLINE
float float
glm_rad(float deg) { glm_rad(float deg) {