diff options
| author | Jacques Lucke <jacques@blender.org> | 2020-07-16 11:46:18 +0300 |
|---|---|---|
| committer | Jacques Lucke <jacques@blender.org> | 2020-07-16 11:46:18 +0300 |
| commit | 35bfe1702c3754af17f440c7ee7cb0e9abb8fa9d (patch) | |
| tree | 317c7f69eabe438062ebe41e6c0ddbeada3e8e5a /tests | |
| parent | 4a9d903e2bfd4f6b3f64b482344bc853a6d93236 (diff) | |
BLI: add safe_powf function
The same function is also used by cycles.
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/gtests/blenlib/BLI_math_base_test.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/gtests/blenlib/BLI_math_base_test.cc b/tests/gtests/blenlib/BLI_math_base_test.cc index dc20c75576d..b7e7472eab2 100644 --- a/tests/gtests/blenlib/BLI_math_base_test.cc +++ b/tests/gtests/blenlib/BLI_math_base_test.cc @@ -113,3 +113,15 @@ TEST(math_base, Log2CeilU) EXPECT_EQ(log2_ceil_u(9), 4); EXPECT_EQ(log2_ceil_u(123456), 17); } + +TEST(math_base, SafePowf) +{ + EXPECT_FLOAT_EQ(safe_powf(4.0f, 3.0f), 64.0f); + EXPECT_FLOAT_EQ(safe_powf(3.2f, 5.6f), 674.2793796f); + EXPECT_FLOAT_EQ(safe_powf(4.0f, -2.0f), 0.0625f); + EXPECT_FLOAT_EQ(safe_powf(6.0f, -3.2f), 0.003235311f); + EXPECT_FLOAT_EQ(safe_powf(-4.0f, 6), 4096.0f); + EXPECT_FLOAT_EQ(safe_powf(-3.0f, 5.5), 0.0f); + EXPECT_FLOAT_EQ(safe_powf(-2.5f, -4.0f), 0.0256f); + EXPECT_FLOAT_EQ(safe_powf(-3.7f, -4.5f), 0.0f); +} |