453 lines
12 KiB
C++
453 lines
12 KiB
C++
// Copyright 2011-2017 Ryan Curtin (http://www.ratml.org/)
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// Copyright 2017 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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#include <armadillo>
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#include "catch.hpp"
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using namespace arma;
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TEST_CASE("fn_min_weird_operation")
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{
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mat a(10, 10);
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mat b(25, 10);
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a.randn();
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b.randn();
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mat output = a * b.t();
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uword real_min;
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uword operation_min;
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const double mval = output.min(real_min);
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const double other_mval = (a * b.t()).min(operation_min);
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REQUIRE( real_min == operation_min );
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REQUIRE( mval == Approx(other_mval) );
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}
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TEST_CASE("fn_min_weird_sparse_operation")
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{
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sp_mat a(10, 10);
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sp_mat b(25, 10);
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a.sprandn(10, 10, 0.3);
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b.sprandn(25, 10, 0.3);
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sp_mat output = a * b.t();
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uword real_min;
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uword operation_min;
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const double mval = output.min(real_min);
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const double other_mval = (a * b.t()).min(operation_min);
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REQUIRE( real_min == operation_min );
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REQUIRE( mval == Approx(other_mval) );
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}
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TEST_CASE("fn_min_sp_subview_test")
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{
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// We will assume subview.at() works and returns points within the bounds of
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// the matrix, so we just have to ensure the results are the same as
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// Mat.min()...
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for (size_t r = 50; r < 150; ++r)
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{
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sp_mat x;
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x.sprandn(r, r, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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uword x_subview_min3;
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const double mval = x.min(x_min);
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const double mval1 = x.submat(0, 0, r - 1, r - 1).min(x_subview_min1);
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const double mval2 = x.cols(0, r - 1).min(x_subview_min2);
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const double mval3 = x.rows(0, r - 1).min(x_subview_min3);
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if (mval != 0.0)
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{
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REQUIRE( x_min == x_subview_min1 );
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REQUIRE( x_min == x_subview_min2 );
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REQUIRE( x_min == x_subview_min3 );
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REQUIRE( mval == Approx(mval1) );
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REQUIRE( mval == Approx(mval2) );
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REQUIRE( mval == Approx(mval3) );
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}
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}
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}
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TEST_CASE("fn_min_spsubview_col_test")
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{
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for (size_t r = 10; r < 50; ++r)
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{
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sp_vec x;
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x.sprandn(r, 1, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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const double mval = x.min(x_min);
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const double mval1 = x.submat(0, 0, r - 1, 0).min(x_subview_min1);
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const double mval2 = x.rows(0, r - 1).min(x_subview_min2);
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if (mval != 0.0)
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{
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REQUIRE( x_min == x_subview_min1 );
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REQUIRE( x_min == x_subview_min2 );
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REQUIRE( mval == Approx(mval1) );
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REQUIRE( mval == Approx(mval2) );
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}
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}
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}
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TEST_CASE("fn_min_spsubview_row_min_test")
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{
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for (size_t r = 10; r < 50; ++r)
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{
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sp_rowvec x;
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x.sprandn(1, r, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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const double mval = x.min(x_min);
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const double mval1 = x.submat(0, 0, 0, r - 1).min(x_subview_min1);
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const double mval2 = x.cols(0, r - 1).min(x_subview_min2);
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if (mval != 0.0)
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{
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REQUIRE( x_min == x_subview_min1 );
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REQUIRE( x_min == x_subview_min2 );
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REQUIRE( mval == Approx(mval1) );
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REQUIRE( mval == Approx(mval2) );
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}
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}
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}
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TEST_CASE("fn_min_spincompletesubview_min_test")
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{
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for (size_t r = 50; r < 150; ++r)
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{
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sp_mat x;
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x.sprandn(r, r, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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uword x_subview_min3;
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const double mval = x.min(x_min);
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const double mval1 = x.submat(1, 1, r - 2, r - 2).min(x_subview_min1);
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const double mval2 = x.cols(1, r - 2).min(x_subview_min2);
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const double mval3 = x.rows(1, r - 2).min(x_subview_min3);
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uword row, col;
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x.min(row, col);
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if (row != 0 && row != r - 1 && col != 0 && col != r - 1 && mval != 0.0)
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{
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uword srow, scol;
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srow = x_subview_min1 % (r - 2);
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scol = x_subview_min1 / (r - 2);
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REQUIRE( x_min == (srow + 1) + r * (scol + 1) );
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REQUIRE( x_min == x_subview_min2 + r );
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srow = x_subview_min3 % (r - 2);
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scol = x_subview_min3 / (r - 2);
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REQUIRE( x_min == (srow + 1) + r * scol );
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REQUIRE( mval == Approx(mval1) );
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REQUIRE( mval == Approx(mval2) );
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REQUIRE( mval == Approx(mval3) );
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}
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}
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}
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TEST_CASE("fn_min_spincompletesubview_col_min_test")
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{
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for (size_t r = 10; r < 50; ++r)
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{
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sp_vec x;
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x.sprandu(r, 1, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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const double mval = x.min(x_min);
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const double mval1 = x.submat(1, 0, r - 2, 0).min(x_subview_min1);
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const double mval2 = x.rows(1, r - 2).min(x_subview_min2);
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if (x_min != 0 && x_min != r - 1 && mval != 0.0)
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{
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REQUIRE( x_min == x_subview_min1 + 1 );
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REQUIRE( x_min == x_subview_min2 + 1 );
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REQUIRE( mval == Approx(mval1) );
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REQUIRE( mval == Approx(mval2) );
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}
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}
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}
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TEST_CASE("fn_min_spincompletesubview_row_min_test")
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{
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for (size_t r = 10; r < 50; ++r)
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{
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sp_rowvec x;
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x.sprandn(1, r, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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const double mval = x.min(x_min);
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const double mval1 = x.submat(0, 1, 0, r - 2).min(x_subview_min1);
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const double mval2 = x.cols(1, r - 2).min(x_subview_min2);
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if (mval != 0.0 && x_min != 0 && x_min != r - 1)
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{
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REQUIRE( x_min == x_subview_min1 + 1 );
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REQUIRE( x_min == x_subview_min2 + 1 );
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REQUIRE( mval == Approx(mval1) );
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REQUIRE( mval == Approx(mval2) );
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}
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}
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}
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TEST_CASE("fn_min_sp_cx_subview_min_test")
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{
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// We will assume subview.at() works and returns points within the bounds of
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// the matrix, so we just have to ensure the results are the same as
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// Mat.min()...
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for (size_t r = 50; r < 150; ++r)
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{
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sp_cx_mat x;
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x.sprandn(r, r, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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uword x_subview_min3;
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const std::complex<double> mval = x.min(x_min);
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const std::complex<double> mval1 = x.submat(0, 0, r - 1, r - 1).min(x_subview_min1);
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const std::complex<double> mval2 = x.cols(0, r - 1).min(x_subview_min2);
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const std::complex<double> mval3 = x.rows(0, r - 1).min(x_subview_min3);
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if (mval != std::complex<double>(0.0))
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{
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REQUIRE( x_min == x_subview_min1 );
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REQUIRE( x_min == x_subview_min2 );
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REQUIRE( x_min == x_subview_min3 );
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REQUIRE( mval.real() == Approx(mval1.real()) );
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REQUIRE( mval.imag() == Approx(mval1.imag()) );
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REQUIRE( mval.real() == Approx(mval2.real()) );
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REQUIRE( mval.imag() == Approx(mval2.imag()) );
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REQUIRE( mval.real() == Approx(mval3.real()) );
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REQUIRE( mval.imag() == Approx(mval3.imag()) );
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}
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}
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}
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TEST_CASE("fn_min_sp_cx_subview_col_min_test")
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{
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for (size_t r = 10; r < 50; ++r)
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{
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sp_cx_vec x;
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x.sprandn(r, 1, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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const std::complex<double> mval = x.min(x_min);
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const std::complex<double> mval1 = x.submat(0, 0, r - 1, 0).min(x_subview_min1);
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const std::complex<double> mval2 = x.rows(0, r - 1).min(x_subview_min2);
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if (mval != std::complex<double>(0.0))
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{
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REQUIRE( x_min == x_subview_min1 );
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REQUIRE( x_min == x_subview_min2 );
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REQUIRE( mval.real() == Approx(mval1.real()) );
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REQUIRE( mval.imag() == Approx(mval1.imag()) );
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REQUIRE( mval.real() == Approx(mval2.real()) );
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REQUIRE( mval.imag() == Approx(mval2.imag()) );
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}
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}
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}
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TEST_CASE("fn_min_sp_cx_subview_row_min_test")
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{
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for (size_t r = 10; r < 50; ++r)
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{
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sp_cx_rowvec x;
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x.sprandn(1, r, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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const std::complex<double> mval = x.min(x_min);
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const std::complex<double> mval1 = x.submat(0, 0, 0, r - 1).min(x_subview_min1);
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const std::complex<double> mval2 = x.cols(0, r - 1).min(x_subview_min2);
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if (mval != std::complex<double>(0.0))
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{
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REQUIRE( x_min == x_subview_min1 );
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REQUIRE( x_min == x_subview_min2 );
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REQUIRE( mval.real() == Approx(mval1.real()) );
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REQUIRE( mval.imag() == Approx(mval1.imag()) );
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REQUIRE( mval.real() == Approx(mval2.real()) );
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REQUIRE( mval.imag() == Approx(mval2.imag()) );
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}
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}
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}
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TEST_CASE("fn_min_sp_cx_incomplete_subview_min_test")
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{
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for (size_t r = 50; r < 150; ++r)
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{
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sp_cx_mat x;
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x.sprandn(r, r, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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uword x_subview_min3;
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const std::complex<double> mval = x.min(x_min);
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const std::complex<double> mval1 = x.submat(1, 1, r - 2, r - 2).min(x_subview_min1);
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const std::complex<double> mval2 = x.cols(1, r - 2).min(x_subview_min2);
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const std::complex<double> mval3 = x.rows(1, r - 2).min(x_subview_min3);
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uword row, col;
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x.min(row, col);
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if (row != 0 && row != r - 1 && col != 0 && col != r - 1 && mval != std::complex<double>(0.0))
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{
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uword srow, scol;
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srow = x_subview_min1 % (r - 2);
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scol = x_subview_min1 / (r - 2);
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REQUIRE( x_min == (srow + 1) + r * (scol + 1) );
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REQUIRE( x_min == x_subview_min2 + r );
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srow = x_subview_min3 % (r - 2);
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scol = x_subview_min3 / (r - 2);
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REQUIRE( x_min == (srow + 1) + r * scol );
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REQUIRE( mval.real() == Approx(mval1.real()) );
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REQUIRE( mval.imag() == Approx(mval1.imag()) );
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REQUIRE( mval.real() == Approx(mval2.real()) );
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REQUIRE( mval.imag() == Approx(mval2.imag()) );
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REQUIRE( mval.real() == Approx(mval3.real()) );
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REQUIRE( mval.imag() == Approx(mval3.imag()) );
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}
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}
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}
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TEST_CASE("fn_min_sp_cx_incomplete_subview_col_min_test")
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{
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for (size_t r = 10; r < 50; ++r)
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{
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arma::sp_cx_vec x;
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x.sprandn(r, 1, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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const std::complex<double> mval = x.min(x_min);
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const std::complex<double> mval1 = x.submat(1, 0, r - 2, 0).min(x_subview_min1);
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const std::complex<double> mval2 = x.rows(1, r - 2).min(x_subview_min2);
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if (x_min != 0 && x_min != r - 1 && mval != std::complex<double>(0.0))
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{
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REQUIRE( x_min == x_subview_min1 + 1 );
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REQUIRE( x_min == x_subview_min2 + 1 );
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REQUIRE( mval.real() == Approx(mval1.real()) );
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REQUIRE( mval.imag() == Approx(mval1.imag()) );
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REQUIRE( mval.real() == Approx(mval2.real()) );
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REQUIRE( mval.imag() == Approx(mval2.imag()) );
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}
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}
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}
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TEST_CASE("fn_min_sp_cx_incomplete_subview_row_min_test")
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{
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for (size_t r = 10; r < 50; ++r)
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{
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sp_cx_rowvec x;
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x.sprandn(1, r, 0.3);
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uword x_min;
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uword x_subview_min1;
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uword x_subview_min2;
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const std::complex<double> mval = x.min(x_min);
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const std::complex<double> mval1 = x.submat(0, 1, 0, r - 2).min(x_subview_min1);
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const std::complex<double> mval2 = x.cols(1, r - 2).min(x_subview_min2);
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if (x_min != 0 && x_min != r - 1 && mval != std::complex<double>(0.0))
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{
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REQUIRE( x_min == x_subview_min1 + 1 );
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REQUIRE( x_min == x_subview_min2 + 1 );
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REQUIRE( mval.real() == Approx(mval1.real()) );
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REQUIRE( mval.imag() == Approx(mval1.imag()) );
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REQUIRE( mval.real() == Approx(mval2.real()) );
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REQUIRE( mval.imag() == Approx(mval2.imag()) );
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}
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}
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}
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