#include int main() { /* 2d */ { f64 a[2] = {1.0, 2.0}; f64 b[2] = {3.0, 4.0}; f64 n[2] = {0.0, 1.0}; f64 v[2]; un_m_add2d(v, a, b); assert(fabs(v[0] - 4.0) < EPSILON); assert(fabs(v[1] - 6.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_sub2d(v, a, b); assert(fabs(v[0] + 2.0) < EPSILON); assert(fabs(v[1] + 2.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_add_scalar2d(v, a, 1); assert(fabs(v[0] - 2.0) < EPSILON); assert(fabs(v[1] - 3.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_sub_scalar2d(v, a, 1); assert(fabs(v[0]) < EPSILON); assert(fabs(v[1] - 1.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_mul_scalar2d(v, a, 2); assert(fabs(v[0] - 2.0) < EPSILON); assert(fabs(v[1] - 4.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_div_scalar2d(v, a, 2); assert(fabs(v[0] - 0.5) < EPSILON); assert(fabs(v[1] - 1.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_dot2d(v, a, b); assert(fabs(v[0] - 11.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_hadamard2d(v, a, b); assert(fabs(v[0] - 3.0) < EPSILON); assert(fabs(v[1] - 8.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_project2d(v, a, b); assert(fabs(v[0] - 1.32) < EPSILON); assert(fabs(v[1] - 1.76) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_cross2d(v, a); assert(fabs(v[0] - 2.0) < EPSILON); assert(fabs(v[1] + 1.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_magnitude2d(v, b); assert(fabs(v[0] - 5.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_magnitude_sqr2d(v, b); assert(fabs(v[0] - 25.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_distance2d(v, a, b); assert(fabs(v[0] - sqrt(8.0)) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_distance_sqr2d(v, a, b); assert(fabs(v[0] - 8.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_normalize2d(v, b); assert(fabs(v[0] - 0.6) < EPSILON); assert(fabs(v[1] - 0.8) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_reflect2d(v, a, n); assert(fabs(v[0] + a[0]) < EPSILON); assert(fabs(v[1] - a[1]) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); } /* 3d */ { f64 a[3] = {1.0, 2.0, 3.0}; f64 b[3] = {3.0, 4.0, 5.0}; f64 n[3] = {0.0, 1.0, 0.0}; f64 v[3]; un_m_add3d(v, a, b); assert(fabs(v[0] - 4.0) < EPSILON); assert(fabs(v[1] - 6.0) < EPSILON); assert(fabs(v[2] - 8.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_sub3d(v, a, b); assert(fabs(v[0] + 2.0) < EPSILON); assert(fabs(v[1] + 2.0) < EPSILON); assert(fabs(v[2] + 2.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_add_scalar3d(v, a, 1); assert(fabs(v[0] - 2.0) < EPSILON); assert(fabs(v[1] - 3.0) < EPSILON); assert(fabs(v[2] - 4.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_sub_scalar3d(v, a, 1); assert(fabs(v[0]) < EPSILON); assert(fabs(v[1] - 1.0) < EPSILON); assert(fabs(v[2] - 2.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_mul_scalar3d(v, a, 2); assert(fabs(v[0] - 2.0) < EPSILON); assert(fabs(v[1] - 4.0) < EPSILON); assert(fabs(v[2] - 6.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_div_scalar3d(v, a, 2); assert(fabs(v[0] - 0.5) < EPSILON); assert(fabs(v[1] - 1.0) < EPSILON); assert(fabs(v[2] - 1.5) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_dot3d(v, a, b); assert(fabs(v[0] - 26.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_hadamard3d(v, a, b); assert(fabs(v[0] - 3.0) < EPSILON); assert(fabs(v[1] - 8.0) < EPSILON); assert(fabs(v[2] - 15.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_project3d(v, a, b); assert(fabs(v[0] - 1.56) < EPSILON); assert(fabs(v[1] - 2.08) < EPSILON); assert(fabs(v[2] - 2.6) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_cross3d(v, a, b); assert(fabs(v[0] + 2.0) < EPSILON); assert(fabs(v[1] - 4.0) < EPSILON); assert(fabs(v[2] + 2.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_magnitude3d(v, b); assert(fabs(v[0] - sqrt(50.0)) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_magnitude_sqr3d(v, b); assert(fabs(v[0] - 50.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_distance3d(v, a, b); assert(fabs(v[0] - sqrt(12.0)) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_distance_sqr3d(v, a, b); assert(fabs(v[0] - 12.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_normalize3d(v, b); assert(fabs(v[0] - 0.424264) < EPSILON); assert(fabs(v[1] - 0.565685) < EPSILON); assert(fabs(v[2] - 0.707107) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); un_m_reflect3d(v, a, n); assert(fabs(v[0] + a[0]) < EPSILON); assert(fabs(v[1] - a[1]) < EPSILON); assert(fabs(v[2] + a[2]) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 3); } /* 4d */ { f64 a[4] = {1.0, 2.0, 3.0, 4.0}; f64 b[4] = {3.0, 4.0, 5.0, 6.0}; f64 n[4] = {0.0, 1.0, 0.0, 0.0}; f64 v[4]; un_m_add4d(v, a, b); assert(fabs(v[0] - 4.0) < EPSILON); assert(fabs(v[1] - 6.0) < EPSILON); assert(fabs(v[2] - 8.0) < EPSILON); assert(fabs(v[3] - 10.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_sub4d(v, a, b); assert(fabs(v[0] + 2.0) < EPSILON); assert(fabs(v[1] + 2.0) < EPSILON); assert(fabs(v[2] + 2.0) < EPSILON); assert(fabs(v[3] + 2.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_add_scalar4d(v, a, 1); assert(fabs(v[0] - 2.0) < EPSILON); assert(fabs(v[1] - 3.0) < EPSILON); assert(fabs(v[2] - 4.0) < EPSILON); assert(fabs(v[3] - 5.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_sub_scalar4d(v, a, 1); assert(fabs(v[0]) < EPSILON); assert(fabs(v[1] - 1.0) < EPSILON); assert(fabs(v[2] - 2.0) < EPSILON); assert(fabs(v[3] - 3.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_mul_scalar4d(v, a, 2); assert(fabs(v[0] - 2.0) < EPSILON); assert(fabs(v[1] - 4.0) < EPSILON); assert(fabs(v[2] - 6.0) < EPSILON); assert(fabs(v[3] - 8.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_div_scalar4d(v, a, 2); assert(fabs(v[0] - 0.5) < EPSILON); assert(fabs(v[1] - 1.0) < EPSILON); assert(fabs(v[2] - 1.5) < EPSILON); assert(fabs(v[3] - 2.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_dot4d(v, a, b); assert(fabs(v[0] - 50.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_hadamard4d(v, a, b); assert(fabs(v[0] - 3.0) < EPSILON); assert(fabs(v[1] - 8.0) < EPSILON); assert(fabs(v[2] - 15.0) < EPSILON); assert(fabs(v[3] - 24.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_project4d(v, a, b); assert(fabs(v[0] - 1.744186) < EPSILON); assert(fabs(v[1] - 2.325581) < EPSILON); assert(fabs(v[2] - 2.906976) < EPSILON); assert(fabs(v[3] - 3.488372) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_magnitude4d(v, b); assert(fabs(v[0] - sqrt(86.0)) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_magnitude_sqr4d(v, b); assert(fabs(v[0] - 86.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_distance4d(v, a, b); assert(fabs(v[0] - 4.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_distance_sqr4d(v, a, b); assert(fabs(v[0] - 16.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_normalize4d(v, b); assert(fabs(v[0] - 0.323498) < EPSILON); assert(fabs(v[1] - 0.431331) < EPSILON); assert(fabs(v[2] - 0.539164) < EPSILON); assert(fabs(v[3] - 0.646997) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); un_m_reflect4d(v, a, n); assert(fabs(v[0] + a[0]) < EPSILON); assert(fabs(v[1] - a[1]) < EPSILON); assert(fabs(v[2] + a[2]) < EPSILON); assert(fabs(v[3] + a[3]) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 4); } { // Complex f64 v[2], a[2] = { 1, 2 }, b[2] = { 3, 4 }, c[2] = { 1, 0 }, d[3] = { 0, 1 }; un_m_complex_addd(v, a, b); assert((v[0] - 4.0) < EPSILON); assert((v[1] - 6.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_complex_subd(v, a, b); assert((v[0] + 2.0) < EPSILON); assert((v[1] + 2.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_complex_muld(v, a, b); assert((v[0] + 5.0) < EPSILON); assert((v[1] - 10.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_complex_divd(v, c, d); assert(v[0] < EPSILON); assert((v[1] + 1.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); un_m_complex_magnituded(v, c); assert((v[0] - 1.0) < EPSILON); un_memory_set((void*)v, 0, sizeof(*v) * 2); } return 0; }