40 lines
893 B
C
40 lines
893 B
C
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/*
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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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TEST_IMPL(GLM_PREFIX, plane_normalize) {
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vec4 p1 = {2.0f, -3.0f, 4.0f, 5.0f}, p2 = {2.0f, -3.0f, 4.0f, 5.0f};
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float s = 1.0f;
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float norm;
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GLM(plane_normalize)(p2);
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norm = sqrtf(p1[0] * p1[0] + p1[1] * p1[1] + p1[2] * p1[2]);
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if (norm == 0.0f) {
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ASSERT(test_eq(p1[0], 0.0f))
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ASSERT(test_eq(p1[1], 0.0f))
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ASSERT(test_eq(p1[2], 0.0f))
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ASSERT(test_eq(p1[3], 0.0f))
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TEST_SUCCESS
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}
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norm = s / norm;
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ASSERT(test_eq(p1[0] * norm, p2[0]))
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ASSERT(test_eq(p1[1] * norm, p2[1]))
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ASSERT(test_eq(p1[2] * norm, p2[2]))
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ASSERT(test_eq(p1[3] * norm, p2[3]))
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glm_vec4_zero(p1);
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GLM(plane_normalize)(p1);
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ASSERTIFY(test_assert_vec4_eq(p1, GLM_VEC4_ZERO))
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TEST_SUCCESS
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}
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