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arm, neon: implement mat4 determinant with neon

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Recep Aslantas
2021-04-24 15:45:36 +03:00
parent ce9e5f5575
commit a111693b6b
3 changed files with 84 additions and 1 deletions
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13
include/cglm/simd/arm.h
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@@ -69,12 +69,23 @@ SWIZZLE(glmm_2103) { return vextq_f32(v, v, 3); }
#undef SWIZZLE
#define glmm_xor(a, b) \
vreinterpretq_f32_s32(veorq_s32(vreinterpretq_s32_f32(a), \
vreinterpretq_s32_f32(b)))
static inline
float32x4_t
glmm_abs(float32x4_t v) {
return vabsq_f32(v);
}
static inline
float32x4_t
glmm_vhadd(float32x4_t v) {
v = vaddq_f32(v, vrev64q_f32(v));
return vaddq_f32(v, vcombine_f32(vget_high_f32(v), vget_low_f32(v)));
}
static inline
float
glmm_hadd(float32x4_t v) {
@@ -138,7 +149,7 @@ glmm_norm_inf(float32x4_t a) {
static inline
float32x4_t
glmm_div(float32x4_t a, float32x4_t b) {
#if CGLM_ARM641
#if CGLM_ARM64
return vdivq_f32(a, b);
#else
/* 2 iterations of Newton-Raphson refinement of reciprocal */