Blender  V3.3
BLI_math_base_safe_test.cc
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1 /* SPDX-License-Identifier: Apache-2.0 */
2 
3 #include "testing/testing.h"
4 
5 #include "BLI_math_base_safe.h"
6 
7 TEST(math_base, SafePowf)
8 {
9  EXPECT_FLOAT_EQ(safe_powf(4.0f, 3.0f), 64.0f);
10  EXPECT_FLOAT_EQ(safe_powf(3.2f, 5.6f), 674.2793796f);
11  EXPECT_FLOAT_EQ(safe_powf(4.0f, -2.0f), 0.0625f);
12  EXPECT_FLOAT_EQ(safe_powf(6.0f, -3.2f), 0.003235311f);
13  EXPECT_FLOAT_EQ(safe_powf(-4.0f, 6), 4096.0f);
14  EXPECT_FLOAT_EQ(safe_powf(-3.0f, 5.5), 0.0f);
15  EXPECT_FLOAT_EQ(safe_powf(-2.5f, -4.0f), 0.0256f);
16  EXPECT_FLOAT_EQ(safe_powf(-3.7f, -4.5f), 0.0f);
17 }
18 
19 TEST(math_base, SafeModf)
20 {
21  EXPECT_FLOAT_EQ(safe_modf(3.4, 2.2f), 1.2f);
22  EXPECT_FLOAT_EQ(safe_modf(3.4, -2.2f), 1.2f);
23  EXPECT_FLOAT_EQ(safe_modf(-3.4, -2.2f), -1.2f);
24  EXPECT_FLOAT_EQ(safe_modf(-3.4, 0.0f), 0.0f);
25  EXPECT_FLOAT_EQ(safe_modf(0.0f, 3.0f), 0.0f);
26  EXPECT_FLOAT_EQ(safe_modf(55.0f, 10.0f), 5.0f);
27 }
28 
29 TEST(math_base, SafeLogf)
30 {
31  EXPECT_FLOAT_EQ(safe_logf(3.3f, 2.5f), 1.302995247f);
32  EXPECT_FLOAT_EQ(safe_logf(0.0f, 3.0f), 0.0f);
33  EXPECT_FLOAT_EQ(safe_logf(3.0f, 0.0f), 0.0f);
34  EXPECT_FLOAT_EQ(safe_logf(-2.0f, 4.3f), 0.0f);
35  EXPECT_FLOAT_EQ(safe_logf(2.0f, -4.3f), 0.0f);
36  EXPECT_FLOAT_EQ(safe_logf(-2.0f, -4.3f), 0.0f);
37 }
MINLINE float safe_logf(float a, float base)
MINLINE float safe_modf(float a, float b)
MINLINE float safe_powf(float base, float exponent)
TEST(math_base, SafePowf)