test/unittests/base/ieee754-unittest.cc - Issue 2071823002: [Math builtins]: Cleanup in ieee754, restoring MSUN version of log2().

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Issue 2071823002: [Math builtins]: Cleanup in ieee754, restoring MSUN version of log2(). (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 4 years, 6 months ago

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1 // Copyright 2016 the V8 project authors. All rights reserved.	1 // Copyright 2016 the V8 project authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #include <limits>	5 #include <limits>

6	6

7 #include "src/base/ieee754.h"	7 #include "src/base/ieee754.h"

8 #include "src/base/macros.h"	8 #include "src/base/macros.h"

9 #include "testing/gmock-support.h"	9 #include "testing/gmock-support.h"

10 #include "testing/gtest-support.h"	10 #include "testing/gtest-support.h"

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126 EXPECT_THAT(log10(-1.0), IsNaN());	126 EXPECT_THAT(log10(-1.0), IsNaN());

127 EXPECT_EQ(-std::numeric_limits<double>::infinity(), log10(0.0));	127 EXPECT_EQ(-std::numeric_limits<double>::infinity(), log10(0.0));

128 EXPECT_EQ(-std::numeric_limits<double>::infinity(), log10(-0.0));	128 EXPECT_EQ(-std::numeric_limits<double>::infinity(), log10(-0.0));

129 EXPECT_EQ(std::numeric_limits<double>::infinity(),	129 EXPECT_EQ(std::numeric_limits<double>::infinity(),

130 log10(std::numeric_limits<double>::infinity()));	130 log10(std::numeric_limits<double>::infinity()));

131 EXPECT_EQ(3.0, log10(1000.0));	131 EXPECT_EQ(3.0, log10(1000.0));

132 EXPECT_EQ(14.0, log10(100000000000000)); // log10(10 ^ 14)	132 EXPECT_EQ(14.0, log10(100000000000000)); // log10(10 ^ 14)

133 EXPECT_EQ(3.7389561269540406, log10(5482.2158));	133 EXPECT_EQ(3.7389561269540406, log10(5482.2158));

134 EXPECT_EQ(14.661551142893833, log10(458723662312872.125782332587));	134 EXPECT_EQ(14.661551142893833, log10(458723662312872.125782332587));

135 EXPECT_EQ(-0.9083828622192334, log10(0.12348583358871));	135 EXPECT_EQ(-0.9083828622192334, log10(0.12348583358871));

	136 EXPECT_EQ(5.0, log10(100000.0));

136 }	137 }

137	138

138 } // namespace ieee754	139 } // namespace ieee754

139 } // namespace base	140 } // namespace base

140 } // namespace v8	141 } // namespace v8

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