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intern/cycles/test/util_math_test.cpp
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| /* | |||||
| * Copyright 2011-2021 Blender Foundation | |||||
| * | |||||
| * Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| * you may not use this file except in compliance with the License. | |||||
| * You may obtain a copy of the License at | |||||
| * | |||||
| * http://www.apache.org/licenses/LICENSE-2.0 | |||||
| * | |||||
| * Unless required by applicable law or agreed to in writing, software | |||||
| * distributed under the License is distributed on an "AS IS" BASIS, | |||||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| * See the License for the specific language governing permissions and | |||||
| * limitations under the License. | |||||
| */ | |||||
| #include "testing/testing.h" | |||||
| #include "util/util_math.h" | |||||
| CCL_NAMESPACE_BEGIN | |||||
| TEST(math, next_power_of_two) | |||||
| { | |||||
| EXPECT_EQ(next_power_of_two(0), 1); | |||||
| EXPECT_EQ(next_power_of_two(1), 2); | |||||
| EXPECT_EQ(next_power_of_two(2), 4); | |||||
| EXPECT_EQ(next_power_of_two(3), 4); | |||||
| EXPECT_EQ(next_power_of_two(4), 8); | |||||
| } | |||||
| TEST(math, prev_power_of_two) | |||||
| { | |||||
| EXPECT_EQ(prev_power_of_two(0), 0); | |||||
| EXPECT_EQ(prev_power_of_two(1), 1); | |||||
| EXPECT_EQ(prev_power_of_two(2), 1); | |||||
| EXPECT_EQ(prev_power_of_two(3), 2); | |||||
| EXPECT_EQ(prev_power_of_two(4), 2); | |||||
| EXPECT_EQ(prev_power_of_two(5), 4); | |||||
| EXPECT_EQ(prev_power_of_two(6), 4); | |||||
| EXPECT_EQ(prev_power_of_two(7), 4); | |||||
| EXPECT_EQ(prev_power_of_two(8), 4); | |||||
| } | |||||
| CCL_NAMESPACE_END | |||||