External/cglm
1
0
Fork 0
mirror of https://github.com/recp/cglm.git synced 2025-12-26 02:25:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

vec4: optimize vec4 norm and norm2

Browse Source
This commit is contained in:
Recep Aslantas
2018-04-13 11:18:42 +03:00
parent 0eb37da8bb
commit 79f8b1ebf8
4 changed files with 42 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
test/src/test_vec4.c
View File

@@ -28,6 +28,16 @@ test_vec4_normalize_to(vec4 vec, vec4 dest) {
glm_vec4_scale(vec, 1.0f / norm, dest);
}
float
test_vec4_norm2(vec4 vec) {
return test_vec4_dot(vec, vec);
}
float
test_vec4_norm(vec4 vec) {
return sqrtf(test_vec4_dot(vec, vec));
}
void
test_vec4(void **state) {
vec4 v, v1, v2;
@@ -35,7 +45,7 @@ test_vec4(void **state) {
float d1, d2;
for (i = 0; i < 100; i++) {
for (i = 0; i < 1000; i++) {
/* 1. test SSE/SIMD dot product */
test_rand_vec4(v);
d1 = glm_vec4_dot(v, v);
@@ -51,5 +61,13 @@ test_vec4(void **state) {
/* all must be same */
test_assert_vec4_eq(v1, v2);
test_assert_vec4_eq(v, v2);
/* 3. test SIMD norm */
test_rand_vec4(v);
test_assert_eqf(test_vec4_norm(v), glm_vec4_norm(v));
/* 3. test SIMD norm2 */
test_rand_vec4(v);
test_assert_eqf(test_vec4_norm2(v), glm_vec4_norm2(v));
}
}