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// Copyright (C) 2009 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#include "../tester.h"
#include <dlib/matrix.h>
#ifndef DLIB_USE_BLAS
#error "BLAS bindings must be used for this test to make any sense"
#endif
namespace dlib
{
namespace blas_bindings
{
// This is a little screwy. This function is used inside the BLAS
// bindings to count how many times each of the BLAS functions get called.
#ifdef DLIB_TEST_BLAS_BINDINGS
int& counter_gemv() { static int counter = 0; return counter; }
#endif
}
}
namespace
{
using namespace test;
using namespace std;
// Declare the logger we will use in this test. The name of the logger
// should start with "test."
dlib::logger dlog("test.gemv");
class blas_bindings_gemv_tester : public tester
{
public:
blas_bindings_gemv_tester (
) :
tester (
"test_gemv", // the command line argument name for this test
"Run tests for GEMV routines.", // the command line argument description
0 // the number of command line arguments for this test
)
{}
template <typename matrix_type, typename rv_type, typename cv_type>
void test_gemv_stuff(
matrix_type& m,
cv_type& cv,
rv_type& rv
) const
{
using namespace dlib;
using namespace dlib::blas_bindings;
cv_type cv2;
rv_type rv2;
typedef typename matrix_type::type scalar_type;
scalar_type val;
counter_gemv() = 0;
cv2 = m*cv;
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
cv2 = m*2*cv;
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
cv2 = m*2*trans(rv);
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
rv2 = trans(m*2*cv);
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
rv2 = rv*m;
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
rv2 = (rv + rv)*m;
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
rv2 = trans(cv)*m;
DLIB_TEST(counter_gemv() == 1);
dlog << dlib::LTRACE << 1;
counter_gemv() = 0;
rv2 = trans(cv)*trans(m) + rv*trans(m);
DLIB_TEST(counter_gemv() == 2);
dlog << dlib::LTRACE << 2;
counter_gemv() = 0;
cv2 = m*trans(trans(cv)*trans(m) + 3*rv*trans(m));
DLIB_TEST(counter_gemv() == 3);
// This does one dot and one gemv
counter_gemv() = 0;
val = trans(cv)*m*trans(rv);
DLIB_TEST_MSG(counter_gemv() == 1, counter_gemv());
// This does one dot and two gemv
counter_gemv() = 0;
val = (trans(cv)*m)*(m*trans(rv));
DLIB_TEST_MSG(counter_gemv() == 2, counter_gemv());
// This does one dot and two gemv
counter_gemv() = 0;
val = trans(cv)*m*trans(m)*trans(rv);
DLIB_TEST_MSG(counter_gemv() == 2, counter_gemv());
}
template <typename matrix_type, typename rv_type, typename cv_type>
void test_gemv_stuff_conj(
matrix_type& m,
cv_type& cv,
rv_type& rv
) const
{
using namespace dlib;
using namespace dlib::blas_bindings;
cv_type cv2;
rv_type rv2;
counter_gemv() = 0;
cv2 = trans(cv)*conj(m);
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
cv2 = conj(trans(m))*rv;
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
cv2 = conj(trans(m))*trans(cv);
DLIB_TEST(counter_gemv() == 1);
counter_gemv() = 0;
cv2 = trans(trans(cv)*conj(2*m) + conj(3*trans(m))*rv + conj(trans(m)*3)*trans(cv));
DLIB_TEST(counter_gemv() == 3);
}
void perform_test (
)
{
using namespace dlib;
typedef dlib::memory_manager<char>::kernel_1a mm;
dlog << dlib::LINFO << "test double";
{
matrix<double> m = randm(4,4);
matrix<double,0,1> cv = randm(4,1);
matrix<double,1,0> rv = randm(1,4);
test_gemv_stuff(m,cv,rv);
}
dlog << dlib::LINFO << "test float";
{
matrix<float> m = matrix_cast<float>(randm(4,4));
matrix<float,0,1> cv = matrix_cast<float>(randm(4,1));
matrix<float,1,0> rv = matrix_cast<float>(randm(1,4));
test_gemv_stuff(m,cv,rv);
}
dlog << dlib::LINFO << "test complex<double>";
{
matrix<complex<double> > m = complex_matrix(randm(4,4), randm(4,4));
matrix<complex<double>,0,1> cv = complex_matrix(randm(4,1), randm(4,1));
matrix<complex<double>,1,0> rv = complex_matrix(randm(1,4), randm(1,4));
test_gemv_stuff(m,cv,rv);
}
dlog << dlib::LINFO << "test complex<float>";
{
matrix<complex<float> > m = matrix_cast<complex<float> >(complex_matrix(randm(4,4), randm(4,4)));
matrix<complex<float>,0,1> cv = matrix_cast<complex<float> >(complex_matrix(randm(4,1), randm(4,1)));
matrix<complex<float>,1,0> rv = matrix_cast<complex<float> >(complex_matrix(randm(1,4), randm(1,4)));
test_gemv_stuff(m,cv,rv);
}
dlog << dlib::LINFO << "test double";
{
matrix<double,0,0,mm,column_major_layout> m = randm(4,4);
matrix<double,0,1,mm,column_major_layout> cv = randm(4,1);
matrix<double,1,0,mm,column_major_layout> rv = randm(1,4);
test_gemv_stuff(m,cv,rv);
}
dlog << dlib::LINFO << "test float";
{
matrix<float,0,0,mm,column_major_layout> m = matrix_cast<float>(randm(4,4));
matrix<float,0,1,mm,column_major_layout> cv = matrix_cast<float>(randm(4,1));
matrix<float,1,0,mm,column_major_layout> rv = matrix_cast<float>(randm(1,4));
test_gemv_stuff(m,cv,rv);
}
dlog << dlib::LINFO << "test complex<double>";
{
matrix<complex<double>,0,0,mm,column_major_layout > m = complex_matrix(randm(4,4), randm(4,4));
matrix<complex<double>,0,1,mm,column_major_layout> cv = complex_matrix(randm(4,1), randm(4,1));
matrix<complex<double>,1,0,mm,column_major_layout> rv = complex_matrix(randm(1,4), randm(1,4));
test_gemv_stuff(m,cv,rv);
}
dlog << dlib::LINFO << "test complex<float>";
{
matrix<complex<float>,0,0,mm,column_major_layout > m = matrix_cast<complex<float> >(complex_matrix(randm(4,4), randm(4,4)));
matrix<complex<float>,0,1,mm,column_major_layout> cv = matrix_cast<complex<float> >(complex_matrix(randm(4,1), randm(4,1)));
matrix<complex<float>,1,0,mm,column_major_layout> rv = matrix_cast<complex<float> >(complex_matrix(randm(1,4), randm(1,4)));
test_gemv_stuff(m,cv,rv);
}
print_spinner();
}
};
blas_bindings_gemv_tester a;
}
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