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// $Id$ |
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|
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/* |
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Copyright (C) 2017 Peter Johansson |
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|
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This file is part of the yat library, http://dev.thep.lu.se/yat |
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7 |
|
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The yat library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License as |
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published by the Free Software Foundation; either version 3 of the |
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License, or (at your option) any later version. |
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12 |
|
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The yat library 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 GNU |
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General Public License for more details. |
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17 |
|
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You should have received a copy of the GNU General Public License |
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along with yat. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <config.h> |
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|
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#include "Suite.h" |
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|
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#include "yat/utility/Matrix.h" |
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#include "yat/utility/Vector.h" |
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#include "yat/utility/VectorView.h" |
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|
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#include <cmath> |
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|
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using namespace theplu::yat; |
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using namespace utility; |
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|
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// create a vector that looks random very deterministically |
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36 |
Vector make_vector(size_t n, double seed) |
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{ |
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Vector res(n); |
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double val = 0; |
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for (size_t i=0; i<n; ++i) { |
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val += sin(seed + i); |
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res(i) = val; |
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} |
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return res; |
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} |
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|
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|
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// create a matrix that looks random very deterministically |
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Matrix make_matrix(size_t row, size_t column, double seed) |
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{ |
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Matrix res(row, column); |
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double val = 0; |
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for (size_t i=0; i<row; ++i) |
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for (size_t j=0; j<column; ++j) { |
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val += sin(seed); |
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seed += 1.0; |
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res(i, j) = val; |
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} |
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return res; |
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} |
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|
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|
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bool check(const VectorBase& lhs, const VectorBase& rhs, test::Suite& suite, |
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unsigned int N=1) |
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{ |
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if (lhs.size() != rhs.size()) { |
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suite.err() << "error: wrong dimensions: comparing " |
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<< lhs.size() << " with " << rhs.size() << "\n"; |
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suite.add(false); |
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return false; |
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} |
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if (!suite.equal_range(lhs.begin(), lhs.end(), rhs.begin(), N)) { |
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suite.add(false); |
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return false; |
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} |
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return true; |
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} |
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|
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|
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class Foo |
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{ |
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public: |
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Foo(void) : raw_(3), view_(raw_) {} |
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VectorMutable& vec(void) { return vec_; } |
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VectorMutable& view(void) { return view_; } |
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private: |
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Vector vec_; |
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Vector raw_; |
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VectorView view_; |
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}; |
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|
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|
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void vector_func(const VectorBase& vec) |
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{ |
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} |
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|
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|
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int main(int argc, char* argv[]) |
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{ |
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test::Suite suite(argc, argv); |
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Vector x = make_vector(3, 1); |
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Vector y = make_vector(3, 2); |
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Vector z = make_vector(3, 3); |
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|
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// Vector Vector |
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|
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// addition operator+ |
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{ |
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suite.out() << "test: Vector + Vector\n"; |
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Vector oldres(x); |
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oldres += y; |
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Vector res = x + y; |
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check(res, oldres, suite); |
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oldres += z; |
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res = x + y + z; |
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check(res, oldres, suite); |
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#ifdef YAT_TICKET897 |
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vector_func(x + y); |
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#endif |
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} |
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|
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// subtraction operator- |
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{ |
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suite.out() << "test: Vector - Vector\n"; |
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Vector oldres(x); |
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oldres -= y; |
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oldres -= z; |
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Vector res = x - y - z; |
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check(res, oldres, suite); |
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#ifdef YAT_TICKET897 |
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vector_func(x - y); |
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#endif |
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} |
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|
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// combining addition and subtraction |
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{ |
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suite.out() << "test: Vector + Vector - Vector\n"; |
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Vector oldres(x); |
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oldres += y; |
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oldres -= z; |
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Vector res = x + y - z; |
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check(res, oldres, suite); |
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#ifdef YAT_TICKET897 |
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vector_func(x + y - z); |
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#endif |
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} |
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|
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// Vector scalar operations |
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double c = 1.602; |
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double e = 2.718; |
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|
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// multiply |
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{ |
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suite.out() << "test: scalar * vector * scalar\n"; |
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Vector oldres(x); |
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oldres *= e; |
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oldres *= c; |
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Vector res = c * x * e; |
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check(res, oldres, suite); |
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#ifdef YAT_TICKET897 |
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vector_func(c * x); |
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#endif |
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} |
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|
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// Matrix stuff |
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|
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suite.out() << " === Matrix stuff ===\n"; |
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|
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Matrix A = make_matrix(3, 3, 1); |
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Matrix B = make_matrix(3, 3, 2); |
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Matrix C = make_matrix(4, 3, 3); |
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Matrix D = make_matrix(3, 4, 4); |
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|
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// Matrix * Vector multiplication |
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{ |
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suite.out() << "Matrix * Vector\n"; |
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Vector oldres = A * (B * y); |
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|
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suite.out() << "A * B * y\n"; |
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Vector res1 = A * B * y; |
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check(res1, oldres, suite, 2); |
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|
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suite.out() << "A * (B * y)\n"; |
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Vector res2 = A * (B * y); |
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check(res2, oldres, suite, 2); |
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|
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suite.out() << "(A * B) * y\n"; |
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Vector res3 = (A * B) * y; |
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check(res3, oldres, suite, 2); |
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|
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#ifdef YAT_TICKET897 |
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vector_func(B*y); |
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#endif |
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} |
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|
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// Vector * Matrix |
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{ |
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suite.out() << "Vector * Matrix\n"; |
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Vector res1 = A * x; |
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Matrix At(A); |
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At.transpose(); |
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Vector res2 = x * At; |
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check(res1, res2, suite); |
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#ifdef YAT_TICKET897 |
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vector_func(A * x); |
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#endif |
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} |
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|
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{ |
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suite.out() << "Vector * Matrix * Vector\n"; |
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211 |
Vector vec = A * x; |
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double scalar = vec * y; |
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double res = y * A * x; |
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if (!suite.equal(scalar, res)) |
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suite.add(false); |
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} |
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|
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// Assignment into Vector |
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{ |
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suite.out() << "assignment into vector\n"; |
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221 |
Vector res = A * x; |
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222 |
Vector res2; |
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223 |
res2 = A * x; |
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check(res, res2, suite); |
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225 |
} |
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|
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// Assignment into VectorView |
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{ |
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suite.out() << "assignment into view\n"; |
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230 |
Matrix M(A); |
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231 |
M.row_view(0) = B * x; |
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232 |
Vector res = B*x; |
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233 |
check(M.row_const_view(0), res, suite); |
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234 |
} |
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235 |
|
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// Assignment into a VectorMutable |
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{ |
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238 |
suite.out() << "assignment into abstract VectorMutable\n"; |
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239 |
Vector res = 2*B*y; |
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240 |
Foo foo; |
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241 |
foo.vec() = 2*B*y; |
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242 |
check(foo.vec(), res, suite); |
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243 |
res = B*z; |
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244 |
foo.view() = B*z; |
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245 |
check(foo.view(), res, suite); |
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246 |
} |
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247 |
|
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// combining everything |
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{ |
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250 |
suite.out() << "=== Chombah dooobah ===\n"; |
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// OK, we have matrices A, B, C, D and vectors x, y, z, scalars e and c |
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252 |
Vector res = A*x + 2*B*y + 3*D*C*z + e*(x+y+3*z) * (x*A*y) + A*B*x - B*x; |
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253 |
|
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27 Jan 17 |
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// let's calculate with old interface |
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255 |
Vector oldres = A*x; |
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27 Jan 17 |
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256 |
Vector vec2 = B*y; |
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257 |
vec2 *= 2; |
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258 |
oldres += vec2; |
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259 |
Vector vec3 = D*(C*z); |
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260 |
vec3 *= 3; |
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261 |
oldres += vec3; |
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262 |
Vector vec4 = z; |
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263 |
vec4 *= 3; |
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264 |
vec4 += y; |
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265 |
vec4 += x; |
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266 |
vec4 *= e * (x*A*y); |
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267 |
oldres += vec4; |
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268 |
Vector vec5 = A*(B*x); |
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269 |
oldres += vec5; |
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270 |
Vector vec6 = B*x; |
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271 |
vec6 *= -1; |
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272 |
oldres += vec6; |
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273 |
|
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274 |
check(res, oldres, suite, 2); |
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275 |
} |
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276 |
|
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// operator+= |
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278 |
{ |
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279 |
suite.out() << "test: Vector += VectorExpression\n"; |
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280 |
Vector res1 = x + A*z; |
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27 Jan 17 |
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281 |
Vector res2(x); |
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282 |
res2 += A*z; |
3608 |
27 Jan 17 |
peter |
283 |
check(res1, res2, suite); |
3608 |
27 Jan 17 |
peter |
284 |
} |
3608 |
27 Jan 17 |
peter |
285 |
|
3608 |
27 Jan 17 |
peter |
286 |
|
3608 |
27 Jan 17 |
peter |
// operator-= |
3608 |
27 Jan 17 |
peter |
288 |
{ |
3608 |
27 Jan 17 |
peter |
289 |
suite.out() << "test: Vector -= VectorExpression\n"; |
3608 |
27 Jan 17 |
peter |
290 |
Vector res1 = x - A*z; |
3608 |
27 Jan 17 |
peter |
291 |
Vector res2(x); |
3608 |
27 Jan 17 |
peter |
292 |
res2 -= A*z; |
3608 |
27 Jan 17 |
peter |
293 |
check(res1, res2, suite); |
3608 |
27 Jan 17 |
peter |
294 |
} |
3608 |
27 Jan 17 |
peter |
295 |
|
3610 |
27 Jan 17 |
peter |
// negation |
3610 |
27 Jan 17 |
peter |
297 |
{ |
3610 |
27 Jan 17 |
peter |
298 |
suite.out() << "test: negation\n"; |
3610 |
27 Jan 17 |
peter |
299 |
Vector res = -x; |
3610 |
27 Jan 17 |
peter |
300 |
suite.out() << "res: " << res << "\n"; |
3610 |
27 Jan 17 |
peter |
301 |
res = -res; |
3610 |
27 Jan 17 |
peter |
302 |
suite.out() << "res: " << res << "\n"; |
3610 |
27 Jan 17 |
peter |
303 |
suite.out() << "x: " << x << "\n"; |
3610 |
27 Jan 17 |
peter |
304 |
check(res, x, suite); |
3610 |
27 Jan 17 |
peter |
305 |
} |
3608 |
27 Jan 17 |
peter |
306 |
|
3610 |
27 Jan 17 |
peter |
307 |
|
3605 |
27 Jan 17 |
peter |
// testing assignment operator |
3605 |
27 Jan 17 |
peter |
309 |
return suite.return_value(); |
3605 |
27 Jan 17 |
peter |
310 |
} |