shear: compare shear_slow and slow

g-truc · Dec 22, 2023 · 3b2827a · 3b2827a
1 parent e1c4f91
commit 3b2827a
Showing 1 changed file with 14 additions and 5 deletions.
diff --git a/test/core/core_func_matrix.cpp b/test/core/core_func_matrix.cpp
@@ -255,12 +255,14 @@ int test_shearing()
  glm::vec4(1, 1, 1, 0),
  glm::vec4(1, 1, 0, 1));
  glm::mat4x4 const B4x4 = glm::shear(A4x4, center, l_x, l_y, l_z);
+ glm::mat4x4 const C4x4 = glm::shear_slow(A4x4, center, l_x, l_y, l_z);
  glm::mat4x4 const expected(
  glm::vec4(0, 0, 1, 1),
  glm::vec4(2, 1, 1, 0),
  glm::vec4(3, 1, 1, 0),
  glm::vec4(3, 1, 0, 1));
  Error += all(equal(B4x4, expected, epsilon<float>())) ? 0 : 1;
+ Error += all(equal(C4x4, expected, epsilon<float>())) ? 0 : 1;
  }
 
  {
@@ -274,12 +276,14 @@ int test_shearing()
  glm::vec4(1, 1, 1, 0),
  glm::vec4(1, 0, 0, 0));
  glm::mat4x4 const B4x4 = glm::shear(A4x4, center, l_x, l_y, l_z);
+ glm::mat4x4 const C4x4 = glm::shear_slow(A4x4, center, l_x, l_y, l_z);
  glm::mat4x4 const expected(
  glm::vec4(0, 1, 1, 0),
  glm::vec4(1, 2, 1, 0),
  glm::vec4(2, 2, 2, 0),
  glm::vec4(1, 0, 1, 0));
  Error += all(equal(B4x4, expected, epsilon<float>())) ? 0 : 1;
+ Error += all(equal(C4x4, expected, epsilon<float>())) ? 0 : 1;
  }
 
  {
@@ -289,12 +293,14 @@ int test_shearing()
  glm::vec2 const l_z(4, 5);
  glm::mat4x4 const A4x4(1);
  glm::mat4x4 const B4x4 = glm::shear(A4x4, center, l_x, l_y, l_z);
+ glm::mat4x4 const C4x4 = glm::shear_slow(A4x4, center, l_x, l_y, l_z);
  glm::mat4x4 const expected(
  glm::vec4(1, 3, 4, 0),
  glm::vec4(1, 1, 5, 0),
  glm::vec4(2, 1, 1, 0),
  glm::vec4(-9, -8, -9, 1));
  Error += all(equal(B4x4, expected, epsilon<float>())) ? 0 : 1;
+ Error += all(equal(C4x4, expected, epsilon<float>())) ? 0 : 1;
  }
 
  {
@@ -308,12 +314,14 @@ int test_shearing()
  glm::vec4(4, -8, 0, 0),
  glm::vec4(7, 1, -2, 0));
  glm::mat4x4 const B4x4 = glm::shear(A4x4, center, l_x, l_y, l_z);
+ glm::mat4x4 const C4x4 = glm::shear_slow(A4x4, center, l_x, l_y, l_z);
  glm::mat4x4 const expected(
  glm::vec4(1, -6, -1, 0),
  glm::vec4(7, 12, 23, 0),
  glm::vec4(-4, 4, -24, 0),
  glm::vec4(4, 20, 31, 0));
  Error += all(equal(B4x4, expected, epsilon<float>())) ? 0 : 1;
+ Error += all(equal(C4x4, expected, epsilon<float>())) ? 0 : 1;
  }
 
  return Error;
@@ -367,19 +375,20 @@ int test_inverse_perf(std::size_t Count, std::size_t Instance, char const * Mess
 int main()
 {
  int Error = 0;
+
  Error += test_matrixCompMult();
  Error += test_outerProduct();
  Error += test_transpose();
  Error += test_determinant();
  Error += test_inverse();
- Error += test_inverse_simd();
- Error += test_shearing();
+ Error += test_inverse_simd();
+ Error += test_shearing();
 
-# ifdef NDEBUG
+#ifdef NDEBUG
  std::size_t const Samples = 1000;
-# else
+#else
  std::size_t const Samples = 1;
-# endif//NDEBUG
+#endif//NDEBUG
 
  for(std::size_t i = 0; i < 1; ++i)
  {