BLI_math_vector_test.cc

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/* Apache License, Version 2.0 */
 
#include "testing/testing.h"
 
#include "BLI_math.h"
 
TEST(math_vector, ClampVecWithFloats)
{
  const float min = 0.0f;
  const float max = 1.0f;
 
  float a[2] = {-1.0f, -1.0f};
  clamp_v2(a, min, max);
  EXPECT_FLOAT_EQ(0.0f, a[0]);
  EXPECT_FLOAT_EQ(0.0f, a[1]);
 
  float b[2] = {0.5f, 0.5f};
  clamp_v2(b, min, max);
  EXPECT_FLOAT_EQ(0.5f, b[0]);
  EXPECT_FLOAT_EQ(0.5f, b[1]);
 
  float c[2] = {2.0f, 2.0f};
  clamp_v2(c, min, max);
  EXPECT_FLOAT_EQ(1.0f, c[0]);
  EXPECT_FLOAT_EQ(1.0f, c[1]);
}
 
TEST(math_vector, ClampVecWithVecs)
{
  const float min[2] = {0.0f, 2.0f};
  const float max[2] = {1.0f, 3.0f};
 
  float a[2] = {-1.0f, -1.0f};
  clamp_v2_v2v2(a, min, max);
  EXPECT_FLOAT_EQ(0.0f, a[0]);
  EXPECT_FLOAT_EQ(2.0f, a[1]);
 
  float b[2] = {0.5f, 2.5f};
  clamp_v2_v2v2(b, min, max);
  EXPECT_FLOAT_EQ(0.5f, b[0]);
  EXPECT_FLOAT_EQ(2.5f, b[1]);
 
  float c[2] = {2.0f, 4.0f};
  clamp_v2_v2v2(c, min, max);
  EXPECT_FLOAT_EQ(1.0f, c[0]);
  EXPECT_FLOAT_EQ(3.0f, c[1]);
}