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4052943a0d
* now the glm_mat4_inv_precise is deault, because I don't think all people are aware of this func * the old behavior (fast) replaced with new func: glm_mat4_inv_fast if fast version is desired then glm_mat4_inv_fast must be used.
95 lines
2.0 KiB
C
95 lines
2.0 KiB
C
/*
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* Copyright (c), Recep Aslantas.
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*
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* MIT License (MIT), http://opensource.org/licenses/MIT
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* Full license can be found in the LICENSE file
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*/
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#include "test_common.h"
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#define m 4
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#define n 4
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void
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test_mat4(void **state) {
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mat4 m1 = GLM_MAT4_IDENTITY_INIT;
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mat4 m2 = GLM_MAT4_IDENTITY_INIT;
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mat4 m3;
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mat4 m4 = GLM_MAT4_ZERO_INIT;
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mat4 m5;
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int i, j, k;
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/* test identity matrix multiplication */
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glm_mat4_mul(m1, m2, m3);
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for (i = 0; i < m; i++) {
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for (j = 0; j < n; j++) {
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if (i == j)
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assert_true(m3[i][j] == 1.0f);
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else
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assert_true(m3[i][j] == 0.0f);
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}
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}
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/* test random matrices */
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/* random matrices */
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test_rand_mat4(m1);
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test_rand_mat4(m2);
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glm_mat4_mul(m1, m2, m3);
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for (i = 0; i < m; i++) {
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for (j = 0; j < n; j++) {
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for (k = 0; k < m; k++)
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/* column-major */
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m4[i][j] += m1[k][j] * m2[i][k];
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}
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}
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test_assert_mat4_eq(m3, m4);
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/* test pre compiled */
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glmc_mat4_mul(m1, m2, m3);
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test_assert_mat4_eq(m3, m4);
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for (i = 0; i < 100000; i++) {
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test_rand_mat4(m3);
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test_rand_mat4(m4);
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/* test inverse precise */
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glm_mat4_inv_precise(m3, m4);
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glm_mat4_inv_precise(m4, m5);
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test_assert_mat4_eq(m3, m5);
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test_rand_mat4(m3);
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test_rand_mat4(m4);
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glmc_mat4_inv_precise(m3, m4);
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glmc_mat4_inv_precise(m4, m5);
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test_assert_mat4_eq(m3, m5);
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/* test inverse rcp */
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test_rand_mat4(m3);
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test_rand_mat4(m4);
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glm_mat4_inv_fast(m3, m4);
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glm_mat4_inv_fast(m4, m5);
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test_assert_mat4_eq2(m3, m5, 0.0009f);
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test_rand_mat4(m3);
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test_rand_mat4(m4);
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glmc_mat4_inv(m3, m4);
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glmc_mat4_inv(m4, m5);
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test_assert_mat4_eq2(m3, m5, 0.0009f);
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}
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/* print */
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glm_mat4_print(m3, stderr);
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glm_mat4_print(m4, stderr);
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/* test determinant */
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assert_int_equal(glm_mat4_det(m1), glmc_mat4_det(m1));
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#if defined( __SSE2__ )
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assert_int_equal(glmc_mat4_det(m1), glm_mat4_det_sse2(m1));
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#endif
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}
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