e151e136d6
Closes #18 Co-authored-by: Jules Pénuchot <jules@penuchot.com> See merge request oss/rotgen!50
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
//==================================================================================================
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/*
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ROTGEN - Runtime Overlay for Eigen
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Copyright : CODE RECKONS
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SPDX-License-Identifier: BSL-1.0
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*/
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//==================================================================================================
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#include <rotgen/rotgen.hpp>
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#include "unit/common/references.hpp"
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#include "unit/tests.hpp"
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TTS_CASE_TPL("Test dynamic matrix inverse", rotgen::tests::types)
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<typename T, typename O>(tts::type<tts::types<T, O>>)
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{
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using mat_t = rotgen::matrix<T, rotgen::Dynamic, rotgen::Dynamic, O::value>;
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auto eps = std::numeric_limits<T>::epsilon();
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for (int n = 2; n < 15; n *= 1.5)
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{
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auto input = 10 * rotgen::setRandom<mat_t>(n, n);
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auto inv = rotgen::inverse(input);
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auto rec = input * inv;
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auto id = rotgen::setIdentity<mat_t>(rotgen::rows(rec), rotgen::cols(rec));
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auto error = rec - id;
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TTS_LESS_EQUAL(rotgen::maxCoeff(rotgen::abs(error)) / eps, 256.)
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<< "Result:\n"
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<< rec << "\n"
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<< "Residuals:\n"
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<< error << "\n";
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}
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};
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template<typename T, typename O, int N> void check_static_inverse()
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{
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using mat_t = rotgen::matrix<T, N, N, O::value>;
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auto eps = std::numeric_limits<T>::epsilon();
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auto input = rotgen::setRandom<mat_t>();
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auto inv = rotgen::inverse(input);
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auto rec = input * inv;
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auto id = rotgen::setIdentity<mat_t>(rotgen::rows(rec), rotgen::cols(rec));
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auto error = rec - id;
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TTS_LESS_EQUAL(rotgen::maxCoeff(rotgen::abs(error)) / eps, 256.)
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<< "Result:\n"
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<< rec << "\n"
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<< "Residuals:\n"
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<< error << "\n";
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}
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TTS_CASE_TPL("Test static matrix inverse", rotgen::tests::types)
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<typename T, typename O>(tts::type<tts::types<T, O>>)
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{
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check_static_inverse<T, O, 2>();
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check_static_inverse<T, O, 3>();
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check_static_inverse<T, O, 4>();
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check_static_inverse<T, O, 6>();
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check_static_inverse<T, O, 9>();
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check_static_inverse<T, O, 13>();
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};
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