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Matrix: convert assignment test to gtest
This commit is contained in:
Matthias Grob
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/****************************************************************************
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*
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* Copyright (C) 2022 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#include <gtest/gtest.h>
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#include <matrix/math.hpp>
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using namespace matrix;
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TEST(MatrixAssignmentTest, Assignment)
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{
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Matrix3f m;
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m.setZero();
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m.zero();
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m(0, 0) = 1;
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m(0, 1) = 2;
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m(0, 2) = 3;
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m(1, 0) = 4;
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m(1, 1) = 5;
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m(1, 2) = 6;
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m(2, 0) = 7;
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m(2, 1) = 8;
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m(2, 2) = 9;
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float data[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
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Matrix3f m2(data);
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for (size_t i = 0; i < 3; i++) {
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for (size_t j = 0; j < 3; j++) {
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EXPECT_FLOAT_EQ(data[i * 3 + j], m2(i, j));
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}
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}
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Matrix3f m_nan;
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m_nan.setNaN();
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for (size_t i = 0; i < 3; i++) {
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for (size_t j = 0; j < 3; j++) {
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EXPECT_TRUE(isnan(m_nan(i, j)));
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}
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}
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EXPECT_TRUE(m_nan.isAllNan());
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float data2d[3][3] = {
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{1, 2, 3},
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{4, 5, 6},
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{7, 8, 9}
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};
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m2 = Matrix3f(data2d);
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for (size_t i = 0; i < 3; i++) {
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for (size_t j = 0; j < 3; j++) {
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EXPECT_FLOAT_EQ(data[i * 3 + j], m2(i, j));
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}
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}
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EXPECT_FALSE(m2.isAllNan());
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float data_times_2[9] = {2, 4, 6, 8, 10, 12, 14, 16, 18};
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Matrix3f m3(data_times_2);
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EXPECT_EQ(m, m2);
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EXPECT_NE(m, m3);
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m2 *= 2;
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EXPECT_EQ(m2, m3);
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m2 /= 2;
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m2 -= 1;
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float data_minus_1[9] = {0, 1, 2, 3, 4, 5, 6, 7, 8};
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EXPECT_EQ(Matrix3f(data_minus_1), m2);
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m2 += 1;
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EXPECT_EQ(Matrix3f(data), m2);
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m3 -= m2;
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EXPECT_EQ(m3, m2);
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// set rows and columns to value
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Matrix3f m2e(data2d);
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float data2e_check1[3][3] = {
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{1, 11, 3},
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{4, 11, 6},
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{7, 11, 9}
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};
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Matrix3f m2e_check1(data2e_check1);
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float data2e_check2[3][3] = {
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{1, 11, 3},
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{4, 11, 6},
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{0, 0, 0}
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};
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Matrix3f m2e_check2(data2e_check2);
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m2e.setCol(1, 11);
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EXPECT_EQ(m2e, m2e_check1);
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m2e.setRow(2, 0);
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EXPECT_EQ(m2e, m2e_check2);
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float data_row_02_swap[9] = {
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7, 8, 9,
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4, 5, 6,
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1, 2, 3,
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};
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float data_col_02_swap[9] = {
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3, 2, 1,
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6, 5, 4,
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9, 8, 7
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};
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Matrix3f m4(data);
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EXPECT_EQ(-m4, m4 * (-1));
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// col swap
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m4.swapCols(0, 2);
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EXPECT_EQ(m4, Matrix3f(data_col_02_swap));
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m4.swapCols(0, 2);
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// row swap
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m4.swapRows(0, 2);
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EXPECT_EQ(m4, Matrix3f(data_row_02_swap));
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m4.swapRows(0, 2);
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// swapping with same row should do nothing
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m4.swapRows(0, 0);
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m4.swapRows(1, 1);
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m4.swapRows(2, 2);
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EXPECT_EQ(m4, Matrix3f(data));
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// swapping with same col should do nothing
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m4.swapCols(0, 0);
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m4.swapCols(1, 1);
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m4.swapCols(2, 2);
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EXPECT_EQ(m4, Matrix3f(data));
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EXPECT_EQ(m4.min(), 1);
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EXPECT_EQ((-m4).min(), -9);
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Scalar<float> s = 1;
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const Vector<float, 1> &s_vect = s;
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EXPECT_EQ(s, 1.0f);
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EXPECT_EQ(s_vect(0), 1.0f);
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Matrix<float, 1, 1> m5 = s;
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EXPECT_EQ(s, m5(0, 0));
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Matrix<float, 2, 2> m6;
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m6.setRow(0, Vector2f(1, 2));
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float m7_array[] = {1, 2, 0, 0};
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Matrix<float, 2, 2> m7(m7_array);
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EXPECT_EQ(m6, m7);
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m6.setCol(0, Vector2f(3, 4));
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float m8_array[] = {3, 2, 4, 0};
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Matrix<float, 2, 2> m8(m8_array);
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EXPECT_EQ(m6, m8);
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m7.setNaN();
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EXPECT_NE(m7, m8);
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// min, max, constrain matrix values with scalar
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float data_m9[9] = {2, 4, 6, 8, 10, 12, 14, 16, 18};
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float lower_bound = 7;
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float upper_bound = 11;
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float data_m9_lower_bounded[9] = {7, 7, 7, 8, 10, 12, 14, 16, 18};
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float data_m9_upper_bounded[9] = {2, 4, 6, 8, 10, 11, 11, 11, 11};
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float data_m9_lower_constrained[9] = {7, 7, 7, 8, 10, 11, 11, 11, 11};
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Matrix3f m9(data_m9);
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Matrix3f m9_lower_bounded(data_m9_lower_bounded);
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Matrix3f m9_upper_bounded(data_m9_upper_bounded);
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Matrix3f m9_lower_upper_constrained(data_m9_lower_constrained);
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EXPECT_EQ(max(m9, lower_bound), m9_lower_bounded);
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EXPECT_EQ(max(lower_bound, m9), m9_lower_bounded);
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EXPECT_EQ(min(m9, upper_bound), m9_upper_bounded);
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EXPECT_EQ(min(upper_bound, m9), m9_upper_bounded);
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EXPECT_EQ(constrain(m9, lower_bound, upper_bound), m9_lower_upper_constrained);
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EXPECT_EQ(constrain(m9, 8.0f, 7.0f), m_nan);
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// min, max, constrain matrix values with matrix of same size
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float data_m10[9] = {2, 4, 6, 8, 10, 12, 14, 16, 18};
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float data_m10_lower_bound[9] = {5, 7, 4, 8, 19, 10, 20, 16, 18};
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float data_m10_lower_bounded_ref[9] = {5, 7, 6, 8, 19, 12, 20, 16, 18};
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float data_m10_upper_bound[9] = {6, 4, 8, 18, 20, 11, 30, 16, 18};
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float data_m10_upper_bounded_ref[9] = {2, 4, 6, 8, 10, 11, 14, 16, 18};
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float data_m10_constrained_ref[9] = {5, NAN, 6, 8, 19, 11, 20, 16, 18};
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Matrix3f m10(data_m10);
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Matrix3f m10_lower_bound(data_m10_lower_bound);
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Matrix3f m10_lower_bounded_ref(data_m10_lower_bounded_ref);
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Matrix3f m10_upper_bound(data_m10_upper_bound);
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Matrix3f m10_upper_bounded_ref(data_m10_upper_bounded_ref);
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Matrix3f m10_constrained_ref(data_m10_constrained_ref);
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EXPECT_EQ(max(m10, m10_lower_bound), m10_lower_bounded_ref);
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EXPECT_EQ(max(m10_lower_bound, m10), m10_lower_bounded_ref);
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EXPECT_EQ(min(m10, m10_upper_bound), m10_upper_bounded_ref);
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EXPECT_EQ(min(m10_upper_bound, m9), m10_upper_bounded_ref);
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EXPECT_EQ(constrain(m10, m10_lower_bound, m10_upper_bound), m10_constrained_ref);
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// min, max, constrain with NAN
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EXPECT_TRUE(isEqualF(matrix::typeFunction::min(5.f, NAN), 5.f));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::min(NAN, 5.f), 5.f));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::min(NAN, NAN), NAN));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::max(5.f, NAN), 5.f));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::max(NAN, 5.f), 5.f));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::max(NAN, NAN), NAN));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::constrain(NAN, 5.f, 6.f), NAN));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::constrain(1.f, 5.f, 4.f), NAN));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::constrain(6.f, NAN, 5.f), 5.f));
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EXPECT_TRUE(isEqualF(matrix::typeFunction::constrain(1.f, 5.f, NAN), 5.f));
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Vector2f v1{NAN, 5.0f};
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Vector2f v1_min = min(v1, 1.f);
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Matrix3f m11 = min(m10_constrained_ref, NAN);
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EXPECT_FLOAT_EQ(fmin(NAN, 1.f), float(v1_min(0)));
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EXPECT_EQ(m11, m10_constrained_ref);
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// check write_string()
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float comma[6] = {
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1.f, 12345.123f,
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12345.1228f, .1234567891011f,
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12345678910.123456789f, 1234567891011.123456789101112f
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};
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Matrix<float, 3, 2> Comma(comma);
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const size_t len = 15 * 2 * 3 + 2 + 1;
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char buffer[len];
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Comma.print(); // for debugging in case of failure
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Comma.write_string(buffer, len);
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printf("%s\n", buffer); // for debugging in case of failure
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char output[] = "\t 1\t12345.123\n\t12345.123\t0.12345679\n\t1.2345679e+10\t1.234568e+12\n";
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printf("%s\n", output); // for debugging in case of failure
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for (size_t i = 0; i < len; i++) {
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if (buffer[i] != output[i]) { // for debugging in case of failure
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printf("%d: \"%c\" != \"%c\"", int(i), buffer[i], output[i]); // LCOV_EXCL_LINE only print on failure
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}
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EXPECT_EQ(buffer[i], output[i]);
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if (buffer[i] == '\0') {
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break;
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}
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}
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// check print()
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// Redirect stdout
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EXPECT_TRUE(freopen("testoutput.txt", "w", stdout) != NULL);
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// write
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Comma.print();
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fclose(stdout);
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// read
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FILE *fp = fopen("testoutput.txt", "r");
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EXPECT_NE(fp, nullptr);
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EXPECT_FALSE(fseek(fp, 0, SEEK_SET));
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for (size_t i = 0; i < len; i++) {
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char c = static_cast<char>(fgetc(fp));
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if (c == '\n') {
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break;
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}
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printf("%d %d %d\n", static_cast<int>(i), output[i], c);
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EXPECT_EQ(c, output[i]);
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}
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EXPECT_FALSE(fclose(fp));
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}
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