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vector square root

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This commit is contained in:
Recep Aslantas
2018-04-08 12:30:15 +03:00
parent b27603c268
commit 81bda7439d
2 changed files with 33 additions and 0 deletions
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14
include/cglm/vec3-ext.h
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@@ -212,4 +212,18 @@ glm_vec_sign(vec3 v, vec3 dest) {
dest[2] = glm_signf(v[2]); dest[2] = glm_signf(v[2]);
} }
/*!
* @brief square root of each vector item
*
* @param[in] v vector
* @param[out] dest destination vector
*/
CGLM_INLINE
void
glm_vec_sqrt(vec4 v, vec4 dest) {
dest[0] = sqrtf(v[0]);
dest[1] = sqrtf(v[1]);
dest[2] = sqrtf(v[2]);
}
#endif /* cglm_vec3_ext_h */ #endif /* cglm_vec3_ext_h */

19
include/cglm/vec4-ext.h
View File

@@ -239,4 +239,23 @@ glm_vec4_sign(vec4 v, vec4 dest) {
#endif #endif
} }
/*!
* @brief square root of each vector item
*
* @param[in] v vector
* @param[out] dest destination vector
*/
CGLM_INLINE
void
glm_vec4_sqrt(vec4 v, vec4 dest) {
#if defined( __SSE__ ) || defined( __SSE2__ )
_mm_store_ps(dest, _mm_sqrt_ps(_mm_load_ps(v)));
#else
dest[0] = sqrtf(v[0]);
dest[1] = sqrtf(v[1]);
dest[2] = sqrtf(v[2]);
dest[3] = sqrtf(v[3]);
#endif
}
#endif /* cglm_vec4_ext_h */ #endif /* cglm_vec4_ext_h */