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Merge branch 'master' into cglm-structs

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This commit is contained in:
Alejandro Coto Gutiérrez
2019-04-30 14:58:02 -05:00
committed by GitHub
parent 1aa54dc110 63e60f46f3
commit f04078dc33
7 changed files with 26 additions and 19 deletions
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2
include/cglm/quat.h
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@@ -233,7 +233,7 @@ glm_quat_normalize_to(versor q, versor dest) {
dot = glm_vec4_norm2(q);
if (dot <= 0.0f) {
glm_quat_identity(q);
glm_quat_identity(dest);
return;
}

13
include/cglm/vec4.h
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@@ -690,18 +690,9 @@ CGLM_INLINE
float
glm_vec4_distance(vec4 a, vec4 b) {
#if defined( __SSE__ ) || defined( __SSE2__ )
__m128 x0;
x0 = _mm_sub_ps(glmm_load(b), glmm_load(a));
x0 = _mm_mul_ps(x0, x0);
x0 = _mm_add_ps(x0, glmm_shuff1(x0, 1, 0, 3, 2));
return _mm_cvtss_f32(_mm_sqrt_ss(_mm_add_ss(x0,
glmm_shuff1(x0, 0, 1, 0, 1))));
return glmm_norm(_mm_sub_ps(glmm_load(b), glmm_load(a)));
#elif defined(CGLM_NEON_FP)
float32x4_t v0;
float32_t r;
v0 = vsubq_f32(vld1q_f32(a), vld1q_f32(b));
r = vaddvq_f32(vmulq_f32(v0, v0));
return sqrtf(r);
return glmm_norm(vsubq_f32(glmm_load(a), glmm_load(b)));
#else
return sqrtf(glm_pow2(b[0] - a[0])
+ glm_pow2(b[1] - a[1])