mirror of https://github.com/KLayout/klayout.git
88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2022 Matthias Koefferlein
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "tlMath.h"
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#include "tlUnitTest.h"
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TEST(1)
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{
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int x;
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x = tl::gcd (17, 6);
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EXPECT_EQ (x, 1);
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x = tl::gcd (27, 6);
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EXPECT_EQ (x, 3);
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x = tl::gcd (30, 6);
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EXPECT_EQ (x, 6);
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x = tl::gcd (31*17, 371*17);
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EXPECT_EQ (x, 17);
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x = tl::gcd (702*17, 372*17);
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EXPECT_EQ (x, 102);
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EXPECT_EQ (tl::less (100, 200), true);
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EXPECT_EQ (tl::less (200, 100), false);
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EXPECT_EQ (tl::less (100, 100), false);
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EXPECT_EQ (tl::equal (200, 100), false);
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EXPECT_EQ (tl::equal (100, 100), true);
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EXPECT_EQ (tl::less (0.1, 0.2), true);
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EXPECT_EQ (tl::less (0.2, 0.1), false);
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EXPECT_EQ (tl::less (0.1, 0.1), false);
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EXPECT_EQ (tl::less (0.1, 0.1 + 1e-7), true);
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EXPECT_EQ (tl::less (0.1, 0.1 + 1e-10), false);
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EXPECT_EQ (tl::equal (0.2, 0.1), false);
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EXPECT_EQ (tl::equal (0.1, 0.1), true);
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EXPECT_EQ (tl::equal (0.1, 0.1 + 1e-7), false);
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EXPECT_EQ (tl::equal (0.1, 0.1 + 1e-12), true);
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double d;
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d = tl::gcd (702*1.7, 372*1.7);
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EXPECT_EQ (tl::equal (d, 10.2), true);
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d = tl::gcd (0.0025, 0.001);
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EXPECT_EQ (tl::equal (d, 0.0005), true);
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d = tl::gcd (0.0025, 0.001 + 1e-12);
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EXPECT_EQ (tl::equal (d, 0.0005), true);
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d = tl::lcm (0.0025, 0.001);
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EXPECT_EQ (tl::equal (d, 0.005), true);
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d = tl::lcm (0.0025, 0.001 + 1e-12);
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EXPECT_EQ (tl::equal (d, 0.005), true);
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EXPECT_EQ (tl::equal (tl::round_down (1.3, 1.0), 1.0), true);
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EXPECT_EQ (tl::equal (tl::round_down (-1.3, 1.0), -2.0), true);
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EXPECT_EQ (tl::equal (tl::round_down (1.0 + 1e-7, 1.0), 1.0), true);
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EXPECT_EQ (tl::equal (tl::round_down (1.0 - 1e-7, 1.0), 0.0), true);
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EXPECT_EQ (tl::equal (tl::round_down (1.0 - 1e-12, 1.0), 1.0), true);
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EXPECT_EQ (tl::equal (tl::round_up (1.3, 1.0), 2.0), true);
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EXPECT_EQ (tl::equal (tl::round_up (-1.3, 1.0), -1.0), true);
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EXPECT_EQ (tl::equal (tl::round_up (1.0 - 1e-7, 1.0), 1.0), true);
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EXPECT_EQ (tl::equal (tl::round_up (1.0 + 1e-7, 1.0), 2.0), true);
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EXPECT_EQ (tl::equal (tl::round_up (1.0 + 1e-12, 1.0), 1.0), true);
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EXPECT_EQ (tl::equal (tl::round (1.3, 1.0), 1.0), true);
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EXPECT_EQ (tl::equal (tl::round (1.5, 1.0), 1.0), true);
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EXPECT_EQ (tl::equal (tl::round (1.5 + 1e-12, 1.0), 1.0), true);
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EXPECT_EQ (tl::equal (tl::round (1.5 + 1e-7, 1.0), 2.0), true);
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EXPECT_EQ (tl::equal (tl::round (1.7, 1.0), 2.0), true);
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EXPECT_EQ (tl::equal (tl::round (-1.3, 1.0), -1.0), true);
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EXPECT_EQ (tl::equal (tl::round (-1.7, 1.0), -2.0), true);
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}
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