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BLI_math: add clamp_v# and clamp_v#_v#v# utility functions

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This commit is contained in:
Tiago Chaves
2020-03-04 10:24:21 +11:00
committed by Campbell Barton
parent 31aefdeec5
commit 14c9f64def
4 changed files with 97 additions and 0 deletions
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47
tests/gtests/blenlib/BLI_math_vector_test.cc Normal file
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@@ -0,0 +1,47 @@
/* 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]);
}

1
tests/gtests/blenlib/CMakeLists.txt
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@@ -58,6 +58,7 @@ BLENDER_TEST(BLI_map "bf_blenlib")
BLENDER_TEST(BLI_math_base "bf_blenlib")
BLENDER_TEST(BLI_math_color "bf_blenlib")
BLENDER_TEST(BLI_math_geom "bf_blenlib")
BLENDER_TEST(BLI_math_vector "bf_blenlib")
BLENDER_TEST(BLI_memiter "bf_blenlib")
BLENDER_TEST(BLI_optional "bf_blenlib")
BLENDER_TEST(BLI_path_util "${BLI_path_util_extra_libs}")