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armadillo-code/tests2/fn_eigs_gen.cpp
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2021-01-03 01:53:30 +10:00

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// Copyright 2011-2017 Ryan Curtin (http://www.ratml.org/)
// Copyright 2017 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------
#include <armadillo>
#include "catch.hpp"
using namespace arma;
TEST_CASE("fn_eigs_gen_odd_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
mat d(m);
// Eigendecompose, getting first 5 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.1) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.1) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_test")
{
const uword n_rows = 10;
const uword n_eigval = 4;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
sp_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
mat d(m);
// Eigendecompose, getting first 4 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_opts_test")
{
const uword n_rows = 10;
const uword n_eigval = 4;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
sp_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
mat d(m);
// Eigendecompose, getting first 4 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "lm", opts);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_odd_sigma_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const double sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
sp_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += (sigma+0.001)*speye(n_rows, n_rows);
mat d(m);
// Eigendecompose, getting first 5 eigenvectors around 1.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.1) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.1) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_sigma_test")
{
const uword n_rows = 10;
const uword n_eigval = 4;
const double sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
sp_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += (sigma+0.001)*speye(n_rows, n_rows);
mat d(m);
// Eigendecompose, getting first 4 eigenvectors around 1.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_sigma_opts_test")
{
const uword n_rows = 10;
const uword n_eigval = 4;
const double sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
sp_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += (sigma+0.001)*speye(n_rows, n_rows);
mat d(m);
// Eigendecompose, getting first 4 eigenvectors around 1.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma, opts);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_odd_sm_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
sp_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += 0.001*speye(n_rows, n_rows);
mat d(m);
// Eigendecompose, getting first 5 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm");
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.1) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.1) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_sm_test")
{
const uword n_rows = 10;
const uword n_eigval = 4;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
sp_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += 0.001*speye(n_rows, n_rows);
mat d(m);
// Eigendecompose, getting first 4 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm");
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_sm_opts_test")
{
const uword n_rows = 10;
const uword n_eigval = 4;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
sp_mat m;
m.sprandu(n_rows, n_rows, 0.3);
sp_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += 0.001*speye(n_rows, n_rows);
mat d(m);
// Eigendecompose, getting first 4 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm", opts);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-4) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-4) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_odd_float_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
Mat<float> d(m);
// Eigendecompose, getting first 5 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.001) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_float_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
Mat<float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_float_opts_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
Mat<float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "lm", opts);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_odd_float_sigma_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const float sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
m += (sigma+0.001)*speye<SpMat<float>>(n_rows, n_rows);
Mat<float> d(m);
// Eigendecompose, getting first 5 eigenvectors around 1.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.001) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_float_sigma_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const float sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
m += (sigma+0.001)*speye<SpMat<float>>(n_rows, n_rows);
Mat<float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma);
// Do the same for the dense case around 1.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_float_sigma_opts_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const float sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
m += (sigma+0.001)*speye<SpMat<float>>(n_rows, n_rows);
Mat<float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma, opts);
// Do the same for the dense case around 1.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_odd_float_sm_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
m += 0.001*speye<SpMat<float>>(n_rows, n_rows);
Mat<float> d(m);
// Eigendecompose, getting first 5 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm");
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.001) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_float_sm_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
m += 0.001*speye<SpMat<float>>(n_rows, n_rows);
Mat<float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm");
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_float_sm_opts_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<float> m;
m.sprandu(n_rows, n_rows, 0.3);
for(uword i = 0; i < n_rows; ++i)
{
m(i, i) += 5 * double(i) / double(n_rows);
}
m += 0.001*speye<SpMat<float>>(n_rows, n_rows);
Mat<float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm", opts);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_odd_complex_float_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
Mat<cx_float> d(m);
// Eigendecompose, getting first 5 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_float_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
Mat<cx_float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_float_opts_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
Mat<cx_float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "lm", opts);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_odd_complex_float_sigma_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const cx_float sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_fmat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += (sigma+cx_float(0.001,0))*speye< SpMat<cx_float> >(n_rows, n_rows);
Mat<cx_float> d(m);
// Eigendecompose, getting first 5 eigenvectors around 1.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_float_sigma_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const cx_float sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_fmat z(8, 8);
z.sprandu(8, 8, 0.5);
m.submat(2, 2, 9, 9) += 8 * z;
m += (sigma+cx_float(0.001,0))*speye< SpMat<cx_float> >(n_rows, n_rows);
Mat<cx_float> d(m);
// Eigendecompose, getting first 8 eigenvectors around 1.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_float_sigma_opts_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const cx_float sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_fmat z(8, 8);
z.sprandu(8, 8, 0.5);
m.submat(2, 2, 9, 9) += 8 * z;
m += (sigma+cx_float(0.001,0))*speye< SpMat<cx_float> >(n_rows, n_rows);
Mat<cx_float> d(m);
// Eigendecompose, getting first 8 eigenvectors around 1.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma, opts);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_odd_complex_float_sm_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_fmat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += cx_float(0.001,0)*speye< SpMat<cx_float> >(n_rows, n_rows);
Mat<cx_float> d(m);
// Eigendecompose, getting first 5 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm");
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_float_sm_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_fmat z(8, 8);
z.sprandu(8, 8, 0.5);
m.submat(2, 2, 9, 9) += 8 * z;
m += cx_float(0.001,0)*speye< SpMat<cx_float> >(n_rows, n_rows);
Mat<cx_float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm");
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_float_sm_opts_test")
{
const uword n_rows = 12;
const uword n_eigval = 8;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_float> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_fmat z(8, 8);
z.sprandu(8, 8, 0.5);
m.submat(2, 2, 9, 9) += 8 * z;
m += cx_float(0.001,0)*speye< SpMat<cx_float> >(n_rows, n_rows);
Mat<cx_float> d(m);
// Eigendecompose, getting first 8 eigenvectors.
Col<cx_float> sp_eigval;
Mat<cx_float> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm", opts);
// Do the same for the dense case.
Col<cx_float> eigval;
Mat<cx_float> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_float(sp_eigval(i)).real() - eigval(k).real()) < 0.001) &&
(std::abs(cx_float(sp_eigval(i)).imag() - eigval(k).imag()) < 0.001) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("eigs_gen_odd_complex_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
Mat<cx_double> d(m);
// Eigendecompose, getting first 5 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(size_t j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_test")
{
const uword n_rows = 15;
const uword n_eigval = 6;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
Mat<cx_double> d(m);
// Eigendecompose, getting first 6 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_opts_test")
{
const uword n_rows = 15;
const uword n_eigval = 6;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
Mat<cx_double> d(m);
// Eigendecompose, getting first 6 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "lm", opts);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("eigs_gen_odd_complex_sigma_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const cx_double sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_mat z(5, 5);
z.sprandu(5, 5, 0.5);
m.submat(2, 2, 6, 6) += 5 * z;
m += (sigma+cx_double(0.001,0))*speye< SpMat<cx_double> >(n_rows, n_rows);
Mat<cx_double> d(m);
// Eigendecompose, getting first 5 eigenvectors around 1.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(size_t j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_sigma_test")
{
const uword n_rows = 15;
const uword n_eigval = 6;
const cx_double sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_mat z(8, 8);
z.sprandu(8, 8, 0.5);
m.submat(2, 2, 9, 9) += 8 * z;
m += (sigma+cx_double(0.001,0))*speye< SpMat<cx_double> >(n_rows, n_rows);
Mat<cx_double> d(m);
// Eigendecompose, getting first 6 eigenvectors around 1.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_sigma_opts_test")
{
const uword n_rows = 15;
const uword n_eigval = 6;
const cx_double sigma = 1.0;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
sp_cx_mat z(8, 8);
z.sprandu(8, 8, 0.5);
m.submat(2, 2, 9, 9) += 8 * z;
m += (sigma+cx_double(0.001,0))*speye< SpMat<cx_double> >(n_rows, n_rows);
Mat<cx_double> d(m);
// Eigendecompose, getting first 6 eigenvectors around 1.0.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, sigma, opts);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("eigs_gen_odd_complex_sm_test")
{
const uword n_rows = 10;
const uword n_eigval = 5;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
m += cx_double(0.001,0)*speye< SpMat<cx_double> >(n_rows, n_rows);
Mat<cx_double> d(m);
// Eigendecompose, getting first 5 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm");
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(size_t j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_sm_test")
{
const uword n_rows = 15;
const uword n_eigval = 6;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
m += cx_double(0.001,0)*speye< SpMat<cx_double> >(n_rows, n_rows);
Mat<cx_double> d(m);
// Eigendecompose, getting first 6 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm");
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}
TEST_CASE("fn_eigs_gen_even_complex_sm_opts_test")
{
const uword n_rows = 15;
const uword n_eigval = 6;
const uword n_trials = 10;
uword count = 0;
for(uword trial=0; trial < n_trials; ++trial)
{
SpMat<cx_double> m;
m.sprandu(n_rows, n_rows, 0.3);
m += cx_double(0.001,0)*speye< SpMat<cx_double> >(n_rows, n_rows);
Mat<cx_double> d(m);
// Eigendecompose, getting first 6 eigenvectors.
Col<cx_double> sp_eigval;
Mat<cx_double> sp_eigvec;
eigs_opts opts{}; opts.maxiter = 10000; opts.tol = 1e-12;
const bool status_sparse = eigs_gen(sp_eigval, sp_eigvec, m, n_eigval, "sm", opts);
// Do the same for the dense case.
Col<cx_double> eigval;
Mat<cx_double> eigvec;
const bool status_dense = eig_gen(eigval, eigvec, d);
if( (status_sparse == false) || (status_dense == false) ) { continue; } else { ++count; }
uvec used(n_rows, fill::zeros);
for(uword i=0; i < n_eigval; ++i)
{
// Sorting these is difficult.
// Find which one is the likely dense eigenvalue.
uword dense_eval = n_rows + 1;
for(uword k = 0; k < n_rows; ++k)
{
if ((std::abs(cx_double(sp_eigval(i)).real() - eigval(k).real()) < 1e-10) &&
(std::abs(cx_double(sp_eigval(i)).imag() - eigval(k).imag()) < 1e-10) &&
(used(k) == 0))
{
dense_eval = k;
used(k) = 1;
break;
}
}
REQUIRE( dense_eval != n_rows + 1 );
REQUIRE( std::abs(sp_eigval(i)) == Approx(std::abs(eigval(dense_eval))).epsilon(0.01) );
for(uword j = 0; j < n_rows; ++j)
{
REQUIRE( std::abs(sp_eigvec(j, i)) == Approx(std::abs(eigvec(j, dense_eval))).epsilon(0.01) );
}
}
}
REQUIRE(count > 0);
}