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feat: add vec3 and vec4 functions

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This commit is contained in:
Loïc GUEZO
2025-06-21 13:48:10 +02:00
parent 3703ab17b0
commit 187908ccec
5 changed files with 213 additions and 18 deletions
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44
src/math/vec4.c
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@@ -1,19 +1,31 @@
#include "vec4.h"
#include "common_math.h"
Vec4f_t vec4(float x, float y, float z, float w)
#define VEC_SIZE 4
Vec4f_t vec4f(float x, float y, float z, float w)
{
return (Vec4f_t){.x = x, .y = y, .z = z, .w = w};
}
Vec4f_t vec4f_from_array(float *__restrict val)
Vec4f_t vec4f_from_array(const float *__restrict val)
{
Vec4f_t vec;
memcpy(vec.data, val, 4*sizeof(float));
#if defined (SIMD_X86)
__m128 arr = _mm_load_ps(val);
_mm_store_ps(vec.data, arr);
#elif defined (SIMD_ARCH)
float32x4_t arr = vld1q_f32(val);
vst1q_f32(vec.data, arr);
#else
for(int i = 0; i<VEC_SIZE; i++) {
vec.data[i] = val[i];
}
#endif
return vec;
}
Vec4f_t vec4f_scalar(float f)
Vec4f_t vec4f_scalar(float f)
{
Vec4f_t vec4;
@@ -21,7 +33,7 @@ Vec4f_t vec4f_scalar(float f)
// add all register into data
#if defined(SIMD_X86)
__m128 scalar = _mm_set1_ps(f);
_mm_storeu_ps(vec4.data, scalar);
_mm_store_ps(vec4.data, scalar);
#elif defined(SIMD_ARCH)
float32x4_t scalar = vdupq_n_f32(f);
@@ -29,7 +41,7 @@ Vec4f_t vec4f_scalar(float f)
// add one by one each value to their specific address
#else
for (int i = 0; i < 4; i++) {
for (int i = 0; i < VEC_SIZE; i++) {
vec4.data[i] = f;
}
#endif
@@ -47,7 +59,7 @@ Vec4f_t vec4f_add_r(Vec4f_t *__restrict out, Vec4f_t a)
__m128 va = _mm_load_ps(a.data);
__m128 vb = _mm_load_ps(out->data);
__m128 vres = _mm_add_ps(va, vb);
_mm_storeu_ps(out->data, vres);
_mm_store_ps(out->data, vres);
#elif defined (SIMD_ARCH)
float32x4_t va = vld1q_f32(a.data);
@@ -55,7 +67,7 @@ Vec4f_t vec4f_add_r(Vec4f_t *__restrict out, Vec4f_t a)
float32x4_t vres = vaddq_f32(va, vb);
vst1q_f32(out->data, vres);
#else
for(int i = 0; i<4; i++) {
for(int i = 0; i<VEC_SIZE; i++) {
out->data[i] += a.data[i];
}
#endif
@@ -74,7 +86,7 @@ Vec4f_t vec4f_sub_r(Vec4f_t *__restrict out, Vec4f_t a)
__m128 va = _mm_load_ps(out->data);
__m128 vb = _mm_load_ps(a.data);
__m128 vres = _mm_sub_ps(va, vb);
_mm_storeu_ps(out->data, vres);
_mm_store_ps(out->data, vres);
#elif defined (SIMD_ARCH)
float32x4_t va = vld1q_f32(a.data);
@@ -83,7 +95,7 @@ Vec4f_t vec4f_sub_r(Vec4f_t *__restrict out, Vec4f_t a)
vst1q_f32(out->data, vres);
#else
for(int i = 0; i<4; i++) {
for(int i = 0; i<VEC_SIZE; i++) {
out->data[i] -= a.data[i];
}
#endif
@@ -102,7 +114,7 @@ Vec4f_t vec4f_scale_r(Vec4f_t *__restrict out, float scalar)
__m128 va = _mm_load_ps(out->data);
__m128 vb = _mm_set1_ps(scalar);
__m128 vres = _mm_mul_ps(va, vb);
_mm_storeu_ps(out->data, vres);
_mm_store_ps(out->data, vres);
#elif defined (SIMD_ARCH)
float32x4_t va = vld1q_f32(out->data);
@@ -125,17 +137,21 @@ Vec4f_t vec4f_scale(Vec4f_t a, float scalar)
//float vec4f_dot(Vec4f_t a, Vec4f_t b)
//{
// float result;
//#if defined (SIMD_X86)
// __m128 va = _mm_load_ps(a.data);
// __m128 vb = _mm_load_ps(b.data);
// __m128 vres = _mm_mul_ps(va, vb);
// return
//
// __m128 shuf =
// result = 0.f;
//
//#elif defined (SIMD_ARCH)
//
// result = 0.f;
//#else
//
// result = a.x * b.x + a.y * b.y + a.z * b.z + a.w * b.w;
//#endif
// return result;
//}
// float vec4_dot(Vec4_t a, Vec4_t b)