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optimize clamp for vec4

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This commit is contained in:
Recep Aslantas
2018-04-14 12:49:37 +03:00
parent 429aff087f
commit 59aacee968
2 changed files with 29 additions and 0 deletions
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24
test/src/test_vec4.c
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@@ -54,6 +54,14 @@ test_vec4_minv(vec4 v1, vec4 v2, vec4 dest) {
dest[3] = glm_min(v1[3], v2[3]);
}
void
test_vec4_clamp(vec4 v, float minVal, float maxVal) {
v[0] = glm_clamp(v[0], minVal, maxVal);
v[1] = glm_clamp(v[1], minVal, maxVal);
v[2] = glm_clamp(v[2], minVal, maxVal);
v[3] = glm_clamp(v[3], minVal, maxVal);
}
void
test_vec4(void **state) {
vec4 v, v1, v2, v3, v4;
@@ -151,4 +159,20 @@ test_vec4(void **state) {
glm_vec4_minv(v1, v2, v3);
test_vec4_minv(v1, v2, v4);
test_assert_vec4_eq(v3, v4);
glm_vec4_print(v3, stderr);
glm_vec4_print(v4, stderr);
/* clamp */
glm_vec4_clamp(v3, 0.1, 0.8);
test_vec4_clamp(v4, 0.1, 0.8);
test_assert_vec4_eq(v3, v4);
glm_vec4_print(v3, stderr);
glm_vec4_print(v4, stderr);
assert_true(v3[0] >= 0.0999 && v3[0] <= 0.80001); /* rounding erros */
assert_true(v3[1] >= 0.0999 && v3[1] <= 0.80001);
assert_true(v3[2] >= 0.0999 && v3[2] <= 0.80001);
assert_true(v3[3] >= 0.0999 && v3[3] <= 0.80001);
}