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93 lines
2.8 KiB
93 lines
2.8 KiB
4 months ago
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//===- MatrixTest.cpp - Tests for Matrix ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Analysis/Presburger/Matrix.h"
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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namespace mlir {
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TEST(MatrixTest, ReadWrite) {
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Matrix mat(5, 5);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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mat(row, col) = 10 * row + col;
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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EXPECT_EQ(mat(row, col), int(10 * row + col));
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}
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TEST(MatrixTest, SwapColumns) {
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Matrix mat(5, 5);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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mat(row, col) = col == 3 ? 1 : 0;
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mat.swapColumns(3, 1);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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EXPECT_EQ(mat(row, col), col == 1 ? 1 : 0);
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// swap around all the other columns, swap (1, 3) twice for no effect.
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mat.swapColumns(3, 1);
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mat.swapColumns(2, 4);
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mat.swapColumns(1, 3);
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mat.swapColumns(0, 4);
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mat.swapColumns(2, 2);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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EXPECT_EQ(mat(row, col), col == 1 ? 1 : 0);
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}
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TEST(MatrixTest, SwapRows) {
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Matrix mat(5, 5);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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mat(row, col) = row == 2 ? 1 : 0;
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mat.swapRows(2, 0);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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EXPECT_EQ(mat(row, col), row == 0 ? 1 : 0);
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// swap around all the other rows, swap (2, 0) twice for no effect.
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mat.swapRows(3, 4);
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mat.swapRows(1, 4);
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mat.swapRows(2, 0);
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mat.swapRows(1, 1);
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mat.swapRows(0, 2);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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EXPECT_EQ(mat(row, col), row == 0 ? 1 : 0);
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}
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TEST(MatrixTest, resizeVertically) {
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Matrix mat(5, 5);
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EXPECT_EQ(mat.getNumRows(), 5u);
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EXPECT_EQ(mat.getNumColumns(), 5u);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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mat(row, col) = 10 * row + col;
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mat.resizeVertically(3);
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EXPECT_EQ(mat.getNumRows(), 3u);
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EXPECT_EQ(mat.getNumColumns(), 5u);
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for (unsigned row = 0; row < 3; ++row)
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for (unsigned col = 0; col < 5; ++col)
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EXPECT_EQ(mat(row, col), int(10 * row + col));
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mat.resizeVertically(5);
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EXPECT_EQ(mat.getNumRows(), 5u);
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EXPECT_EQ(mat.getNumColumns(), 5u);
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for (unsigned row = 0; row < 5; ++row)
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for (unsigned col = 0; col < 5; ++col)
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EXPECT_EQ(mat(row, col), row >= 3 ? 0 : int(10 * row + col));
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}
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} // namespace mlir
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