+disgrace and rework of ungrateful.h

1 files changed, 188 insertions, 236 deletions

diff --git a/tests/un/mathd.c b/tests/un/mathd.c
index 829a4a6..10ef24b 100644
--- a/tests/un/mathd.c
+++ b/tests/un/mathd.c
@@ -3,305 +3,257 @@
 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];
+        double2 a = {1.0, 2.0};
+        double2 b = {3.0, 4.0};
+        double2 n = {0.0, 1.0};
+        double2 v;
 
-        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);
+        v = un_m_add2d(a, b);
+        assert(fabs(v.x - 4.0) < EPSILON);
+        assert(fabs(v.y - 6.0) < EPSILON);
 
-        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);
+        v = un_m_sub2d(a, b);
+        assert(fabs(v.x + 2.0) < EPSILON);
+        assert(fabs(v.y + 2.0) < EPSILON);
 
-        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);
+        v = un_m_add_scalar2d(a, 1);
+        assert(fabs(v.x - 2.0) < EPSILON);
+        assert(fabs(v.y - 3.0) < EPSILON);
 
-        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);
+        v = un_m_sub_scalar2d(a, 1);
+        assert(fabs(v.x)        < EPSILON);
+        assert(fabs(v.y - 1.0) < EPSILON);
 
-        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);
+        v = un_m_mul_scalar2d(a, 2);
+        assert(fabs(v.x - 2.0) < EPSILON);
+        assert(fabs(v.y - 4.0) < EPSILON);
 
-        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);
+        v = un_m_div_scalar2d(a, 2);
+        assert(fabs(v.x - 0.5) < EPSILON);
+        assert(fabs(v.y - 1.0) < EPSILON);
 
-        un_m_dot2d(v, a, b);
-        assert(fabs(v[0] - 11.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 2);
+        v.x = un_m_dot2d(a, b);
+        assert(fabs(v.x - 11.0) < EPSILON);
 
-        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);
+        v = un_m_hadamard2d(a, b);
+        assert(fabs(v.x - 3.0) < EPSILON);
+        assert(fabs(v.y - 8.0) < EPSILON);
 
-        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);
+        v = un_m_project2d(a, b);
+        assert(fabs(v.x - 1.32) < EPSILON);
+        assert(fabs(v.y - 1.76) < EPSILON);
 
-        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);
+        v = un_m_cross2d(a);
+        assert(fabs(v.x - 2.0) < EPSILON);
+        assert(fabs(v.y + 1.0) < EPSILON);
 
-        un_m_magnitude2d(v, b);
-        assert(fabs(v[0] - 5.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 2);
+        v.x = un_m_magnitude2d(b);
+        assert(fabs(v.x - 5.0) < EPSILON);
 
-        un_m_magnitude_sqr2d(v, b);
-        assert(fabs(v[0] - 25.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 2);
+        v.x = un_m_magnitude_sqr2d(b);
+        assert(fabs(v.x - 25.0) < EPSILON);
 
-        un_m_distance2d(v, a, b);
-        assert(fabs(v[0] - sqrt(8.0)) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 2);
+        v.x = un_m_distance2d(a, b);
+        assert(fabs(v.x - sqrt(8.0)) < EPSILON);
 
-        un_m_distance_sqr2d(v, a, b);
-        assert(fabs(v[0] - 8.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 2);
+        v.x = un_m_distance_sqr2d(a, b);
+        assert(fabs(v.x - 8.0) < EPSILON);
 
-        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);
+        v = un_m_normalize2d(b);
+        assert(fabs(v.x - 0.6) < EPSILON);
+        assert(fabs(v.y - 0.8) < EPSILON);
 
-        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);
+        v = un_m_reflect2d(a, n);
+        assert(fabs(v.x + a.x) < EPSILON);
+        assert(fabs(v.y - a.y) < EPSILON);
     }
 
     /* 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];
+        double3 a = {1.0, 2.0, 3.0};
+        double3 b = {3.0, 4.0, 5.0};
+        double3 n = {0.0, 1.0, 0.0};
+        double3 v;
 
-        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);
+        v = un_m_add3d(a, b);
+        assert(fabs(v.x - 4.0) < EPSILON);
+        assert(fabs(v.y - 6.0) < EPSILON);
+        assert(fabs(v.z - 8.0) < EPSILON);
 
-        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);
+        v = un_m_sub3d(a, b);
+        assert(fabs(v.x + 2.0) < EPSILON);
+        assert(fabs(v.y + 2.0) < EPSILON);
+        assert(fabs(v.z + 2.0) < EPSILON);
 
-        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);
+        v = un_m_add_scalar3d(a, 1);
+        assert(fabs(v.x - 2.0) < EPSILON);
+        assert(fabs(v.y - 3.0) < EPSILON);
+        assert(fabs(v.z - 4.0) < EPSILON);
 
-        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);
+        v = un_m_sub_scalar3d(a, 1);
+        assert(fabs(v.x)        < EPSILON);
+        assert(fabs(v.y - 1.0) < EPSILON);
+        assert(fabs(v.z - 2.0) < EPSILON);
 
-        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);
+        v = un_m_mul_scalar3d(a, 2);
+        assert(fabs(v.x - 2.0)  < EPSILON);
+        assert(fabs(v.y - 4.0)  < EPSILON);
+        assert(fabs(v.z - 6.0) < EPSILON);
 
-        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);
+        v = un_m_div_scalar3d(a, 2);
+        assert(fabs(v.x - 0.5) < EPSILON);
+        assert(fabs(v.y - 1.0) < EPSILON);
+        assert(fabs(v.z - 1.5) < EPSILON);
 
-        un_m_dot3d(v, a, b);
-        assert(fabs(v[0] - 26.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 3);
+        v.x = un_m_dot3d(a, b);
+        assert(fabs(v.x - 26.0) < EPSILON);
 
-        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);
+        v = un_m_hadamard3d(a, b);
+        assert(fabs(v.x - 3.0)  < EPSILON);
+        assert(fabs(v.y - 8.0)  < EPSILON);
+        assert(fabs(v.z - 15.0) < EPSILON);
 
-        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);
+        v = un_m_project3d(a, b);
+        assert(fabs(v.x - 1.56) < EPSILON);
+        assert(fabs(v.y - 2.08) < EPSILON);
+        assert(fabs(v.z - 2.6) < EPSILON);
 
-        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);
+        v = un_m_cross3d(a, b);
+        assert(fabs(v.x + 2.0) < EPSILON);
+        assert(fabs(v.y - 4.0) < EPSILON);
+        assert(fabs(v.z + 2.0) < EPSILON);
 
-        un_m_magnitude3d(v, b);
-        assert(fabs(v[0] - sqrt(50.0)) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 3);
+        v.x = un_m_magnitude3d(b);
+        assert(fabs(v.x - sqrt(50.0)) < EPSILON);
 
-        un_m_magnitude_sqr3d(v, b);
-        assert(fabs(v[0] - 50.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 3);
+        v.x = un_m_magnitude_sqr3d(b);
+        assert(fabs(v.x - 50.0) < EPSILON);
 
-        un_m_distance3d(v, a, b);
-        assert(fabs(v[0] - sqrt(12.0)) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 3);
+        v.x = un_m_distance3d(a, b);
+        assert(fabs(v.x - sqrt(12.0)) < EPSILON);
 
-        un_m_distance_sqr3d(v, a, b);
-        assert(fabs(v[0] - 12.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 3);
+        v.x = un_m_distance_sqr3d(a, b);
+        assert(fabs(v.x - 12.0) < EPSILON);
 
-        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);
+        v = un_m_normalize3d(b);
+        assert(fabs(v.x - 0.424264) < EPSILON);
+        assert(fabs(v.y - 0.565685) < EPSILON);
+        assert(fabs(v.z - 0.707107) < EPSILON);
 
-        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);
+        v = un_m_reflect3d(a, n);
+        assert(fabs(v.x + a.x) < EPSILON);
+        assert(fabs(v.y - a.y) < EPSILON);
+        assert(fabs(v.z + a.z) < EPSILON);
     }
 
     /* 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];
+        double4 a = {1.0, 2.0, 3.0, 4.0};
+        double4 b = {3.0, 4.0, 5.0, 6.0};
+        double4 n = {0.0, 1.0, 0.0, 0.0};
+        double4 v;
 
-        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);
+        v = un_m_add4d(a, b);
+        assert(fabs(v.x - 4.0) < EPSILON);
+        assert(fabs(v.y - 6.0) < EPSILON);
+        assert(fabs(v.z - 8.0) < EPSILON);
+        assert(fabs(v.w - 10.0) < EPSILON);
 
-        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);
+        v = un_m_sub4d(a, b);
+        assert(fabs(v.x + 2.0) < EPSILON);
+        assert(fabs(v.y + 2.0) < EPSILON);
+        assert(fabs(v.z + 2.0) < EPSILON);
+        assert(fabs(v.w + 2.0) < EPSILON);
 
-        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);
+        v = un_m_add_scalar4d(a, 1);
+        assert(fabs(v.x - 2.0) < EPSILON);
+        assert(fabs(v.y - 3.0) < EPSILON);
+        assert(fabs(v.z - 4.0) < EPSILON);
+        assert(fabs(v.w - 5.0) < EPSILON);
 
-        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);
+        v = un_m_sub_scalar4d(a, 1);
+        assert(fabs(v.x)        < EPSILON);
+        assert(fabs(v.y - 1.0) < EPSILON);
+        assert(fabs(v.z - 2.0) < EPSILON);
+        assert(fabs(v.w - 3.0) < EPSILON);
 
-        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);
+        v = un_m_mul_scalar4d(a, 2);
+        assert(fabs(v.x - 2.0)  < EPSILON);
+        assert(fabs(v.y - 4.0)  < EPSILON);
+        assert(fabs(v.z - 6.0) < EPSILON);
+        assert(fabs(v.w - 8.0) < EPSILON);
 
-        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);
+        v = un_m_div_scalar4d(a, 2);
+        assert(fabs(v.x - 0.5) < EPSILON);
+        assert(fabs(v.y - 1.0) < EPSILON);
+        assert(fabs(v.z - 1.5) < EPSILON);
+        assert(fabs(v.w - 2.0) < EPSILON);
 
-        un_m_dot4d(v, a, b);
-        assert(fabs(v[0] - 50.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 4);
+        v.x = un_m_dot4d(a, b);
+        assert(fabs(v.x - 50.0) < EPSILON);
 
-        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);
+        v = un_m_hadamard4d(a, b);
+        assert(fabs(v.x - 3.0)  < EPSILON);
+        assert(fabs(v.y - 8.0)  < EPSILON);
+        assert(fabs(v.z - 15.0) < EPSILON);
+        assert(fabs(v.w - 24.0) < EPSILON);
 
-        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);
+        v = un_m_project4d(a, b);
+        assert(fabs(v.x - 1.744186) < EPSILON);
+        assert(fabs(v.y - 2.325581) < EPSILON);
+        assert(fabs(v.z - 2.906976) < EPSILON);
+        assert(fabs(v.w - 3.488372) < EPSILON);
 
-        un_m_magnitude4d(v, b);
-        assert(fabs(v[0] - sqrt(86.0)) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 4);
+        v.x = un_m_magnitude4d(b);
+        assert(fabs(v.x - sqrt(86.0)) < EPSILON);
 
-        un_m_magnitude_sqr4d(v, b);
-        assert(fabs(v[0] - 86.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 4);
+        v.x = un_m_magnitude_sqr4d(b);
+        assert(fabs(v.x - 86.0) < EPSILON);
 
-        un_m_distance4d(v, a, b);
-        assert(fabs(v[0] - 4.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 4);
+        v.x = un_m_distance4d(a, b);
+        assert(fabs(v.x - 4.0) < EPSILON);
 
-        un_m_distance_sqr4d(v, a, b);
-        assert(fabs(v[0] - 16.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 4);
+        v.x = un_m_distance_sqr4d(a, b);
+        assert(fabs(v.x - 16.0) < EPSILON);
 
-        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);
+        v = un_m_normalize4d(b);
+        assert(fabs(v.x - 0.323498) < EPSILON);
+        assert(fabs(v.y - 0.431331) < EPSILON);
+        assert(fabs(v.z - 0.539164) < EPSILON);
+        assert(fabs(v.w - 0.646997) < EPSILON);
 
-        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);
+        v = un_m_reflect4d(a, n);
+        assert(fabs(v.x + a.x) < EPSILON);
+        assert(fabs(v.y - a.y) < EPSILON);
+        assert(fabs(v.z + a.z) < EPSILON);
+        assert(fabs(v.w + a.w) < EPSILON);
     }
 
     { // Complex
-        f64 v[2], a[2] = { 1, 2 }, b[2] = { 3, 4 }, c[2] = { 1, 0 }, d[3] = { 0, 1 };
+        double2 v;
+        double2 a = { 1, 2 };
+        double2 b = { 3, 4 };
+        double2 c = { 1, 0 };
+        double2 d = { 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);
+        v = un_m_complex_addd(a, b);
+        assert((v.x - 4.0) < EPSILON);
+        assert((v.y - 6.0) < EPSILON);
 
-        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);
+        v = un_m_complex_subd(a, b);
+        assert((v.x + 2.0) < EPSILON);
+        assert((v.y + 2.0) < EPSILON);
 
-        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);
+        v = un_m_complex_muld(a, b);
+        assert((v.x +  5.0) < EPSILON);
+        assert((v.y - 10.0) < EPSILON);
 
-        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);
+        v = un_m_complex_divd(c, d);
+        assert(v.x       < EPSILON);
+        assert((v.y + 1.0) < EPSILON);
 
-        un_m_complex_magnituded(v, c);
-        assert((v[0] - 1.0) < EPSILON);
-        un_memory_set((void*)v, 0, sizeof(*v) * 2);
+        v.x = un_m_complex_magnituded(c);
+        assert((v.x - 1.0) < EPSILON);
     }
 
     return 0;