// 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_dot() { 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.dot");
class blas_bindings_dot_tester : public tester
{
public:
blas_bindings_dot_tester (
) :
tester (
"test_dot", // the command line argument name for this test
"Run tests for DOT routines.", // the command line argument description
0 // the number of command line arguments for this test
)
{}
void test_mat_bindings()
{
using namespace dlib;
using namespace dlib::blas_bindings;
matrix<double,1,0> rv(10);
matrix<double,0,1> cv(10);
double val;
rv = 1; cv = 1;
counter_dot() = 0;
val = rv*cv;
DLIB_TEST(val == 10);
DLIB_TEST(counter_dot() == 1);
rv = 1; cv = 1;
counter_dot() = 0;
val = rv*mat(&cv(0),cv.size());
DLIB_TEST(val == 10);
DLIB_TEST(counter_dot() == 1);
rv = 1; cv = 1;
counter_dot() = 0;
val = trans(mat(&rv(0),rv.size()))*mat(&cv(0),cv.size());
DLIB_TEST(val == 10);
DLIB_TEST(counter_dot() == 1);
std::vector<double> sv(10,1);
rv = 1;
counter_dot() = 0;
val = trans(mat(&rv(0),rv.size()))*mat(sv);
DLIB_TEST(val == 10);
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = trans(mat(sv))*mat(sv);
DLIB_TEST(val == 10);
DLIB_TEST(counter_dot() == 1);
std_vector_c<double> svc(10,1);
counter_dot() = 0;
val = trans(mat(svc))*mat(svc);
DLIB_TEST(val == 10);
DLIB_TEST(counter_dot() == 1);
dlib::array<double> arr(10);
for (unsigned int i = 0; i < arr.size(); ++i)
arr[i] = 1;
counter_dot() = 0;
val = trans(mat(arr))*mat(arr);
DLIB_TEST(val == 10);
DLIB_TEST(counter_dot() == 1);
}
template <typename matrix_type, typename cv_type, typename rv_type>
void test_dot_stuff(
matrix_type& m,
rv_type& rv,
cv_type& cv
) const
{
using namespace dlib;
using namespace dlib::blas_bindings;
rv_type rv2;
cv_type cv2;
matrix_type m2;
typedef typename matrix_type::type scalar_type;
scalar_type val;
counter_dot() = 0;
m2 = rv*cv;
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = rv*cv;
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = rv*3*cv;
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = rv*trans(rv)*3;
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = trans(rv*trans(rv)*3 + trans(cv)*cv);
DLIB_TEST(counter_dot() == 2);
counter_dot() = 0;
val = trans(cv)*cv;
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = trans(cv)*trans(rv);
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = dot(rv,cv);
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = dot(rv,colm(cv,0));
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = dot(cv,cv);
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = dot(colm(cv,0,cv.size()),colm(cv,0));
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = dot(rv,rv);
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = dot(rv,trans(rv));
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = dot(trans(cv),cv);
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = dot(trans(cv),trans(rv));
DLIB_TEST(counter_dot() == 1);
// This does one dot and one gemv
counter_dot() = 0;
val = trans(cv)*m*trans(rv);
DLIB_TEST_MSG(counter_dot() == 1, counter_dot());
// This does one dot and two gemv
counter_dot() = 0;
val = (trans(cv)*m)*(m*trans(rv));
DLIB_TEST_MSG(counter_dot() == 1, counter_dot());
// This does one dot and two gemv
counter_dot() = 0;
val = trans(cv)*m*trans(m)*trans(rv);
DLIB_TEST_MSG(counter_dot() == 1, counter_dot());
}
template <typename matrix_type, typename cv_type, typename rv_type>
void test_dot_stuff_conj(
matrix_type& ,
rv_type& rv,
cv_type& cv
) const
{
using namespace dlib;
using namespace dlib::blas_bindings;
rv_type rv2;
cv_type cv2;
matrix_type m2;
typedef typename matrix_type::type scalar_type;
scalar_type val;
counter_dot() = 0;
val = conj(rv)*cv;
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = trans(conj(cv))*cv;
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = trans(conj(cv))*trans(rv);
DLIB_TEST(counter_dot() == 1);
counter_dot() = 0;
val = trans(conj(cv))*3*trans(rv);
DLIB_TEST(counter_dot() == 1);
}
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,1,0> rv = randm(1,4);
matrix<double,0,1> cv = randm(4,1);
test_dot_stuff(m,rv,cv);
}
dlog << dlib::LINFO << "test float";
{
matrix<float> m = matrix_cast<float>(randm(4,4));
matrix<float,1,0> rv = matrix_cast<float>(randm(1,4));
matrix<float,0,1> cv = matrix_cast<float>(randm(4,1));
test_dot_stuff(m,rv,cv);
}
dlog << dlib::LINFO << "test complex<double>";
{
matrix<complex<double> > m = complex_matrix(randm(4,4), randm(4,4));
matrix<complex<double>,1,0> rv = complex_matrix(randm(1,4), randm(1,4));
matrix<complex<double>,0,1> cv = complex_matrix(randm(4,1), randm(4,1));
test_dot_stuff(m,rv,cv);
test_dot_stuff_conj(m,rv,cv);
}
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>,1,0> rv = matrix_cast<complex<float> >(complex_matrix(randm(1,4), randm(1,4)));
matrix<complex<float>,0,1> cv = matrix_cast<complex<float> >(complex_matrix(randm(4,1), randm(4,1)));
test_dot_stuff(m,rv,cv);
test_dot_stuff_conj(m,rv,cv);
}
dlog << dlib::LINFO << "test double, column major";
{
matrix<double,0,0,mm,column_major_layout> m = randm(4,4);
matrix<double,1,0,mm,column_major_layout> rv = randm(1,4);
matrix<double,0,1,mm,column_major_layout> cv = randm(4,1);
test_dot_stuff(m,rv,cv);
}
dlog << dlib::LINFO << "test float, column major";
{
matrix<float,0,0,mm,column_major_layout> m = matrix_cast<float>(randm(4,4));
matrix<float,1,0,mm,column_major_layout> rv = matrix_cast<float>(randm(1,4));
matrix<float,0,1,mm,column_major_layout> cv = matrix_cast<float>(randm(4,1));
test_dot_stuff(m,rv,cv);
}
dlog << dlib::LINFO << "test complex<double>, column major";
{
matrix<complex<double>,0,0,mm,column_major_layout > m = complex_matrix(randm(4,4), randm(4,4));
matrix<complex<double>,1,0,mm,column_major_layout> rv = complex_matrix(randm(1,4), randm(1,4));
matrix<complex<double>,0,1,mm,column_major_layout> cv = complex_matrix(randm(4,1), randm(4,1));
test_dot_stuff(m,rv,cv);
test_dot_stuff_conj(m,rv,cv);
}
dlog << dlib::LINFO << "test complex<float>, column major";
{
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>,1,0,mm,column_major_layout> rv = matrix_cast<complex<float> >(complex_matrix(randm(1,4), randm(1,4)));
matrix<complex<float>,0,1,mm,column_major_layout> cv = matrix_cast<complex<float> >(complex_matrix(randm(4,1), randm(4,1)));
test_dot_stuff(m,rv,cv);
test_dot_stuff_conj(m,rv,cv);
}
test_mat_bindings();
print_spinner();
}
};
blas_bindings_dot_tester a;
}