82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdbool.h>
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#include <GL/glew.h>
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#include <math.h>
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#include "matrixMath.h"
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#define EPSILON 0.001f
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void printTest(char* name, bool result) {
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if (result) {
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printf(" PASSED - ");
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} else {
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printf("!!! FAILED - ");
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}
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printf("%s", name);
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printf("\n");
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}
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void testSumDiff() {
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mat3 A = {1.0f, 0.0f, 0.0f, -1.0f, 0.0f, -1.0f, 1.0f, -1.0f, 9.0f};
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mat3 B = {0.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 1.0f, -1.0f, 8.0f};
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GLfloat target = 7.0f;
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GLfloat value = mat3SumDiff(&A, &B);
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bool result = fabs(value - target) < EPSILON;
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if (!result) {
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printf("\nA:\n");
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mat3Print(&A);
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printf("\nB:\n");
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mat3Print(&B);
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printf("target: %f\n", target);
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printf("value: %f\n", value);
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}
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printTest("mat3SumDiff", result);
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}
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void testMat3Adjoint() {
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mat3 M = {2.0f, 0.0f, 1.0f, -1.0f, 5.0f, -1.0f, 3.0f, 2.0f, -2.0f};
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mat3 target = {-8.0f, 5.0f, -17.0f, -2.0f, -7.0f, 4.0f, -5.0f, -1.0f, 10.0f};
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mat3Adjoint(&M, &M);
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printTest("mat3Adjoint", mat3SumDiff(&M, &target) < EPSILON);
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}
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void testMat3MultiplyScalar() {
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mat3 M = {1.0f, 2.0f, 3.0f, 4.0f, 0.0f, -1.5f, -2.5f, -3.5f, -4.5f};
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GLfloat x = 0.9f;
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mat3 target = {0.9f, 1.8f, 2.7f, 3.6f, 0.0f, -1.35f, -2.25f, -3.15f, -4.05f};
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mat3MultiplyScalar(&M, &M, x);
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printTest("mat3MultiplyScalar", mat3SumDiff(&M, &target) < EPSILON);
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}
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void testMat3Determinant() {
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mat3 M = {1.0f, -3.0f, 2.0f, 3.0f, -1.0f, 3.0f, 2.0f, -3.0f, 1.0f};
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GLfloat target = -15.0f;
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printTest("mat3Determinant", fabs(mat3Determinant(&M) - target) < EPSILON);
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}
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void testMat3Inverse() {
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mat3 M = {1.0f, 2.0f, -1.0f, 2.0f, 1.0f, 2.0f, -1.0f, 2.0f, 1.0f};
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mat3 target = {0.1875f, 0.25f, -0.3125f, 0.2f, 0.0f, 0.25f, -0.3125f, 0.25f, 0.1875f};
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mat3Inverse(&M, &M);
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printTest("mat3Inverse", mat3SumDiff(&M, &target) < EPSILON);
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}
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int main(void) {
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testSumDiff();
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testMat3Adjoint();
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testMat3MultiplyScalar();
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testMat3Determinant();
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testMat3Inverse();
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} |