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add epsilon version to compare vector with vector( or with value )

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This commit is contained in:
Recep Aslantas
2017-06-11 16:53:18 +03:00
parent 1e32edea65
commit cfdb86b5fc
1 changed files with 142 additions and 4 deletions
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146
include/cglm-vec-ext.h
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@@ -15,6 +15,8 @@
#include "cglm-common.h"
#include "arch/simd/cglm-intrin.h"
#include <stdbool.h>
#include <math.h>
#include <float.h>
/*!
* @brief multiplies individual items, just for convenient like SIMD
@@ -51,12 +53,24 @@ glm_vec4_mulv(vec4 a, vec4 b, vec4 d) {
#endif
}
/*!
* @brief fill a vector with specified value
*
* @param val value
* @param d dest
*/
CGLM_INLINE
void
glm_vec_broadcast(float val, vec3 d) {
d[0] = d[1] = d[2] = val;
}
/*!
* @brief fill a vector with specified value
*
* @param val value
* @param d dest
*/
CGLM_INLINE
void
glm_vec4_broadcast(float val, vec4 d) {
@@ -67,42 +81,151 @@ glm_vec4_broadcast(float val, vec4 d) {
#endif
}
/*!
* @brief check if vector is equal to value (without epsilon)
*
* @param val value
* @param d dest
*/
CGLM_INLINE
bool
glm_vec_eq(vec3 v, float val) {
return v[0] == val && v[0] == v[1] && v[0] == v[2];
}
/*!
* @brief check if vector is equal to value (with epsilon)
*
* @param val value
* @param d dest
*/
CGLM_INLINE
bool
glm_vec_eq_eps(vec4 v, float val) {
return fabsf(v[0] - val) <= FLT_EPSILON
&& fabsf(v[1] - val) <= FLT_EPSILON
&& fabsf(v[2] - val) <= FLT_EPSILON;
}
/*!
* @brief check if vectors members are equal (without epsilon)
*
* @param val value
* @param d dest
*/
CGLM_INLINE
bool
glm_vec_eq_all(vec3 v) {
return v[0] == v[1] && v[0] == v[2];
}
/*!
* @brief check if vector is equal to another (without epsilon)
*
* @param v1 vector
* @param v2 vector
*/
CGLM_INLINE
bool
glm_vec_eqv(vec3 v1, vec3 v2) {
return v1[0] == v2[0] && v1[1] == v2[1] && v1[2] == v2[2];
return v1[0] == v2[0]
&& v1[1] == v2[1]
&& v1[2] == v2[2];
}
/*!
* @brief check if vector is equal to another (with epsilon)
*
* @param v1 vector
* @param v2 vector
*/
CGLM_INLINE
bool
glm_vec_eqv_eps(vec3 v1, vec3 v2) {
return fabsf(v1[0] - v2[0]) <= FLT_EPSILON
&& fabsf(v1[1] - v2[1]) <= FLT_EPSILON
&& fabsf(v1[2] - v2[2]) <= FLT_EPSILON;
}
/*!
* @brief check if vector is equal to value (without epsilon)
*
* @param val value
* @param d dest
*/
CGLM_INLINE
bool
glm_vec4_eq(vec4 v, float val) {
return v[0] == val && v[0] == v[1] && v[0] == v[2] && v[0] == v[3];
return v[0] == val
&& v[0] == v[1]
&& v[0] == v[2]
&& v[0] == v[3];
}
/*!
* @brief check if vector is equal to value (with epsilon)
*
* @param val value
* @param d dest
*/
CGLM_INLINE
bool
glm_vec4_eq_eps(vec4 v, float val) {
return fabsf(v[0] - val) <= FLT_EPSILON
&& fabsf(v[1] - val) <= FLT_EPSILON
&& fabsf(v[2] - val) <= FLT_EPSILON
&& fabsf(v[3] - val) <= FLT_EPSILON;
}
/*!
* @brief check if vectors members are equal (without epsilon)
*
* @param val value
* @param d dest
*/
CGLM_INLINE
bool
glm_vec4_eq_all(vec4 v) {
return v[0] == v[1] && v[0] == v[2] && v[0] == v[3];
return v[0] == v[1]
&& v[0] == v[2]
&& v[0] == v[3];
}
/*!
* @brief check if vector is equal to another (without epsilon)
*
* @param v1 vector
* @param v2 vector
*/
CGLM_INLINE
bool
glm_vec4_eqv(vec4 v1, vec4 v2) {
return v1[0] == v2[0] && v1[1] == v2[1] && v1[2] == v2[2] && v1[3] == v2[3];
return v1[0] == v2[0]
&& v1[1] == v2[1]
&& v1[2] == v2[2]
&& v1[3] == v2[3];
}
/*!
* @brief check if vector is equal to another (with epsilon)
*
* @param v1 vector
* @param v2 vector
*/
CGLM_INLINE
bool
glm_vec4_eqv_eps(vec3 v1, vec3 v2) {
return fabsf(v1[0] - v2[0]) <= FLT_EPSILON
&& fabsf(v1[1] - v2[1]) <= FLT_EPSILON
&& fabsf(v1[2] - v2[2]) <= FLT_EPSILON
&& fabsf(v1[3] - v2[3]) <= FLT_EPSILON;
}
/*!
* @brief max value of vector
*
* @param v vector
*/
CGLM_INLINE
float
glm_vec_max(vec3 v) {
@@ -117,6 +240,11 @@ glm_vec_max(vec3 v) {
return max;
}
/*!
* @brief min value of vector
*
* @param v vector
*/
CGLM_INLINE
float
glm_vec_min(vec3 v) {
@@ -131,6 +259,11 @@ glm_vec_min(vec3 v) {
return min;
}
/*!
* @brief max value of vector
*
* @param v vector
*/
CGLM_INLINE
float
glm_vec4_max(vec4 v) {
@@ -143,6 +276,11 @@ glm_vec4_max(vec4 v) {
return max;
}
/*!
* @brief min value of vector
*
* @param v vector
*/
CGLM_INLINE
float
glm_vec4_min(vec4 v) {