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test: fix generating random matrix

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* use affine matrix for testing
This commit is contained in:
Recep Aslantas
2017-11-17 18:50:24 +03:00
parent efb37ab0f7
commit b9c135baf2
1 changed files with 14 additions and 6 deletions
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20
test/src/test_common.c
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@@ -10,12 +10,20 @@ void
test_rand_mat4(mat4 dest) { test_rand_mat4(mat4 dest) {
int i, j; int i, j;
glm_mat4_copy(GLM_MAT4_IDENTITY, dest);
srand((unsigned int)time(NULL)); srand((unsigned int)time(NULL));
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) { /* random position */
dest[i][j] = drand48(); dest[3][0] = drand48();
} dest[3][0] = drand48();
} dest[3][0] = drand48();
/* random rotatation around random axis with random angle */
glm_rotate(dest, drand48(), (vec3){drand48(), drand48(), drand48()});
/* random scale */
glm_scale(dest, (vec3){drand48(), drand48(), drand48()});
} }
void void
@@ -27,7 +35,7 @@ test_assert_mat4_eq(mat4 m1, mat4 m2) {
for (i = 0; i < m; i++) { for (i = 0; i < m; i++) {
for (j = 0; j < n; j++) { for (j = 0; j < n; j++) {
for (k = 0; k < m; k++) for (k = 0; k < m; k++)
assert_true(fabsf(m1[i][j] - m2[i][j]) <= 0.0001); assert_true(fabsf(m1[i][j] - m2[i][j]) <= FLT_EPSILON);
} }
} }
#undef m #undef m