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Remove CGLM_USE_DEFAULT_EPSILON and use system's float epsilon as default #170

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Remove CGLM_USE_DEFAULT_EPSILON and use system's float epsilon as default #170

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ccd3058
remove CGLM_USE_DEFAULT_EPSILON
recp Nov 21, 2020
f9824a8
test: use custom epsilon to compare
recp Nov 21, 2020
5bda762
use epsilon to compare results in glm_uniscaled()
recp Nov 21, 2020
6626d2b
Update affine.h
recp Nov 21, 2020
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2 changes: 1 addition & 1 deletion include/cglm/affine.h
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Original file line number Diff line number Diff line change
Expand Up @@ -425,7 +425,7 @@ bool
glm_uniscaled(mat4 m) {
CGLM_ALIGN(8) vec3 s;
glm_decompose_scalev(m, s);
return glm_vec3_eq_all(s);
return glm_vec3_eq_eps(s, s[0]);
}

/*!
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16 changes: 11 additions & 5 deletions include/cglm/common.h
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Expand Up @@ -42,12 +42,18 @@
#include "types.h"
#include "simd/intrin.h"

#ifndef CGLM_USE_DEFAULT_EPSILON
# ifndef GLM_FLT_EPSILON
# define GLM_FLT_EPSILON 1e-6
/** CGLM_USE_DEFAULT_EPSILON is removed, to override float epsilon,
* just define GLM_FLT_EPSILON with epsilon value like below
*
* #define GLM_FLT_EPSILON 1e-6f
*/

#ifndef GLM_FLT_EPSILON
# ifndef FLT_EPSILON
# define GLM_FLT_EPSILON 1e-6f
# else
# define GLM_FLT_EPSILON FLT_EPSILON
# endif
#else
# define GLM_FLT_EPSILON FLT_EPSILON
#endif

#endif /* cglm_common_h */
6 changes: 3 additions & 3 deletions test/src/test_cam.c
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Expand Up @@ -35,9 +35,9 @@ TEST_IMPL(camera_decomp) {
farVal = 100.0f;

glm_perspective(fovy, aspect, nearVal, farVal, proj);
ASSERT(fabsf(aspect - glm_persp_aspect(proj)) < GLM_FLT_EPSILON)
ASSERT(fabsf(fovy - glm_persp_fovy(proj)) < GLM_FLT_EPSILON)
ASSERT(fabsf(49.984f - glm_deg(glm_persp_fovy(proj))) < GLM_FLT_EPSILON)
ASSERT(fabsf(aspect - glm_persp_aspect(proj)) < 1e-5f)
ASSERT(fabsf(fovy - glm_persp_fovy(proj)) < 1e-5f)
ASSERT(fabsf(49.984f - glm_deg(glm_persp_fovy(proj))) < 1e-5f)

glm_persp_sizes(proj, fovy, sizes);

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2 changes: 1 addition & 1 deletion test/src/test_common.h
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Expand Up @@ -106,7 +106,7 @@ test_rand_quat(versor q);
CGLM_INLINE
bool
test_eq(float a, float b) {
return fabsf(a - b) <= GLM_FLT_EPSILON * 10;
return fabsf(a - b) <= 1e-5f;
}

CGLM_INLINE
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