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// Copyright (c) 2017-2023, University of Tennessee. All rights reserved.
// SPDX-License-Identifier: BSD-3-Clause
// This program is free software: you can redistribute it and/or modify it under
// the terms of the BSD 3-Clause license. See the accompanying LICENSE file.
#include "test.hh"
#include "lapack.hh"
#include "lapack/flops.hh"
#include "print_matrix.hh"
#include "error.hh"
#include "lapacke_wrappers.hh"
#include <vector>
#include <iostream>
// -----------------------------------------------------------------------------
template< typename scalar_t >
void test_ggev_work( Params& params, bool run )
{
using real_t = blas::real_type< scalar_t >;
// get & mark input values
lapack::Job jobvl = params.jobvl();
lapack::Job jobvr = params.jobvr();
int64_t n = params.dim.n();
int64_t align = params.align();
params.matrix.mark();
params.matrixB.mark();
// mark non-standard output values
params.ref_time();
// params.ref_gflops();
// params.gflops();
if (! run)
return;
// ---------- setup
int64_t lda = roundup( blas::max( 1, n ), align );
int64_t ldb = roundup( blas::max( 1, n ), align );
int64_t ldvl = ( jobvl == lapack::Job::Vec ? roundup( blas::max(1, n), align ) : 1 );
int64_t ldvr = ( jobvr == lapack::Job::Vec ? roundup( blas::max(1, n), align ) : 1 );
size_t size_A = (size_t)( lda * n );
size_t size_B = (size_t)( ldb * n );
size_t size_alpha = (size_t)( n );
size_t size_beta = (size_t)( n );
size_t size_VL = (size_t)( ldvl * n );
size_t size_VR = (size_t)( ldvr * n );
std::vector< scalar_t > A_tst( size_A );
std::vector< scalar_t > A_ref( size_A );
std::vector< scalar_t > B_tst( size_B );
std::vector< scalar_t > B_ref( size_B );
std::vector< std::complex<real_t> > alpha_tst( size_alpha );
std::vector< std::complex<real_t> > alpha_ref( size_alpha );
std::vector< scalar_t > beta_tst( size_beta );
std::vector< scalar_t > beta_ref( size_beta );
std::vector< scalar_t > VL_tst( size_VL );
std::vector< scalar_t > VL_ref( size_VL );
std::vector< scalar_t > VR_tst( size_VR );
std::vector< scalar_t > VR_ref( size_VR );
lapack::generate_matrix( params.matrix, n, n, &A_tst[0], lda );
lapack::generate_matrix( params.matrixB, n, n, &B_tst[0], ldb );
A_ref = A_tst;
B_ref = B_tst;
std::copy( alpha_tst.begin(), alpha_tst.end(), alpha_ref.begin() );
// ---------- run test
testsweeper::flush_cache( params.cache() );
double time = testsweeper::get_wtime();
int64_t info_tst = lapack::ggev( jobvl, jobvr, n, &A_tst[0], lda, &B_tst[0], ldb, &alpha_tst[0], &beta_tst[0], &VL_tst[0], ldvl, &VR_tst[0], ldvr );
time = testsweeper::get_wtime() - time;
if (info_tst != 0) {
fprintf( stderr, "lapack::ggev returned error %lld\n", llong( info_tst ) );
}
params.time() = time;
// double gflop = lapack::Gflop< scalar_t >::ggev( jobvl, jobvr, n );
// params.gflops() = gflop / time;
if (params.ref() == 'y' || params.check() == 'y') {
// ---------- run reference
testsweeper::flush_cache( params.cache() );
time = testsweeper::get_wtime();
int64_t info_ref = LAPACKE_ggev( to_char( jobvl ), to_char( jobvr ), n, &A_ref[0], lda, &B_ref[0], ldb, &alpha_ref[0], &beta_ref[0], &VL_ref[0], ldvl, &VR_ref[0], ldvr );
time = testsweeper::get_wtime() - time;
if (info_ref != 0) {
fprintf( stderr, "LAPACKE_ggev returned error %lld\n", llong( info_ref ) );
}
params.ref_time() = time;
// params.ref_gflops() = gflop / time;
// ---------- check error compared to reference
real_t error = 0;
if (info_tst != info_ref) {
error = 1;
}
error += abs_error( A_tst, A_ref );
error += abs_error( B_tst, B_ref );
error += abs_error( alpha_tst, alpha_ref );
error += abs_error( beta_tst, beta_ref );
error += abs_error( VL_tst, VL_ref );
error += abs_error( VR_tst, VR_ref );
params.error() = error;
params.okay() = (error == 0); // expect lapackpp == lapacke
}
}
// -----------------------------------------------------------------------------
void test_ggev( Params& params, bool run )
{
switch (params.datatype()) {
case testsweeper::DataType::Single:
test_ggev_work< float >( params, run );
break;
case testsweeper::DataType::Double:
test_ggev_work< double >( params, run );
break;
case testsweeper::DataType::SingleComplex:
test_ggev_work< std::complex<float> >( params, run );
break;
case testsweeper::DataType::DoubleComplex:
test_ggev_work< std::complex<double> >( params, run );
break;
default:
throw std::runtime_error( "unknown datatype" );
break;
}
}
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