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Diffstat (limited to 'compiler/nike/src/RelativeEpsilonEqual.test.cpp')
-rw-r--r-- | compiler/nike/src/RelativeEpsilonEqual.test.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/compiler/nike/src/RelativeEpsilonEqual.test.cpp b/compiler/nike/src/RelativeEpsilonEqual.test.cpp new file mode 100644 index 000000000..ec0805ed5 --- /dev/null +++ b/compiler/nike/src/RelativeEpsilonEqual.test.cpp @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved + * + * 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 "nike/RelativeEpsilonEqual.h" + +#include <cmath> // For "NAN" +#include <cfloat> // For "FLT_EPSILON" + +#include <gtest/gtest.h> + +TEST(RelativeEpsilonEqualTest, tolerance_1) +{ + auto equal = nike::relative_epsilon_equal(1); + + ASSERT_TRUE(equal(NAN, NAN)); + ASSERT_TRUE(equal(1.0f, 1.0f)); + ASSERT_FALSE(equal(1.0f, 2.0f)); +} + +TEST(RelativeEpsilonEqualTest, tolerance_2) +{ + auto equal = nike::relative_epsilon_equal(2); + + ASSERT_TRUE(equal(1.0f, 1.0f + FLT_EPSILON)); + ASSERT_FALSE(equal(1.0f, 1.0f + 3 * FLT_EPSILON)); +} |