dlib C++ Library - symmetric_matrix_cache.cpp
// Copyright (C) 2010 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#include "tester.h"
#include <dlib/matrix.h>
#include <dlib/rand.h>
#include <vector>
#include <sstream>
namespace
{
using namespace test;
using namespace dlib;
using namespace std;
dlib::logger dlog("test.symmetric_matrix_cache");
class test_symmetric_matrix_cache : public tester
{
/*!
WHAT THIS OBJECT REPRESENTS
This object represents a unit test. When it is constructed
it adds itself into the testing framework.
!*/
public:
test_symmetric_matrix_cache (
) :
tester (
"test_symmetric_matrix_cache", // the command line argument name for this test
"Run tests on the symmetric_matrix_cache function.", // the command line argument description
0 // the number of command line arguments for this test
)
{
}
dlib::rand rnd;
// -----------------------------------
template <typename EXP1, typename EXP2>
void test_colm_exp (
const matrix_exp<EXP1>& m1,
const matrix_exp<EXP2>& m2
)
{
for (long i = 0; i < m1.nc(); ++i)
{
typename colm_exp<EXP1>::type c1 = colm(m1,i);
typename colm_exp<EXP2>::type c2 = colm(m2,i);
DLIB_TEST(equal(c1 , c2));
DLIB_TEST(equal(colm(m1,i) , c2));
DLIB_TEST(equal(c1 , colm(m2,i)));
DLIB_TEST(equal(colm(m1,i) , colm(m2,i)));
}
// Get a bunch of columns at once to test out the reference
// counting and automatic cache expansion built into the symmetric_matrix_cache.
// This test verifies that, for example, getting column 3 doesn't stomp on
// any of the previous columns.
typename colm_exp<EXP1>::type c1_0 = colm(m1,0);
typename colm_exp<EXP1>::type c1_1 = colm(m1,1);
typename colm_exp<EXP1>::type c1_2 = colm(m1,2);
typename colm_exp<EXP1>::type c1_3 = colm(m1,3);
typename colm_exp<EXP1>::type c1_4 = colm(m1,4);
typename colm_exp<EXP1>::type c1_5 = colm(m1,5);
typename colm_exp<EXP2>::type c2_0 = colm(m2,0);
typename colm_exp<EXP2>::type c2_1 = colm(m2,1);
typename colm_exp<EXP2>::type c2_2 = colm(m2,2);
typename colm_exp<EXP2>::type c2_3 = colm(m2,3);
typename colm_exp<EXP2>::type c2_4 = colm(m2,4);
typename colm_exp<EXP2>::type c2_5 = colm(m2,5);
DLIB_TEST(equal(c1_0, c2_0));
DLIB_TEST(equal(c1_1, c2_1));
DLIB_TEST(equal(c1_2, c2_2));
DLIB_TEST(equal(c1_3, c2_3));
DLIB_TEST(equal(c1_4, c2_4));
DLIB_TEST(equal(c1_5, c2_5));
}
// -----------------------------------
template <typename EXP1, typename EXP2>
void test_rowm_exp (
const matrix_exp<EXP1>& m1,
const matrix_exp<EXP2>& m2
)
{
for (long i = 0; i < m1.nc(); ++i)
{
typename rowm_exp<EXP1>::type r1 = rowm(m1,i);
typename rowm_exp<EXP2>::type r2 = rowm(m2,i);
DLIB_TEST(equal(r1 , r2));
DLIB_TEST(equal(rowm(m1,i) , r2));
DLIB_TEST(equal(r1 , rowm(m2,i)));
DLIB_TEST(equal(rowm(m1,i) , rowm(m2,i)));
}
// Get a bunch of rows at once to test out the reference
// counting and automatic cache expansion built into the symmetric_matrix_cache.
// This test verifies that, for example, getting row 3 doesn't stomp on
// any of the previous rows.
typename rowm_exp<EXP1>::type r1_0 = rowm(m1,0);
typename rowm_exp<EXP1>::type r1_1 = rowm(m1,1);
typename rowm_exp<EXP1>::type r1_2 = rowm(m1,2);
typename rowm_exp<EXP1>::type r1_3 = rowm(m1,3);
typename rowm_exp<EXP1>::type r1_4 = rowm(m1,4);
typename rowm_exp<EXP1>::type r1_5 = rowm(m1,5);
typename rowm_exp<EXP2>::type r2_0 = rowm(m2,0);
typename rowm_exp<EXP2>::type r2_1 = rowm(m2,1);
typename rowm_exp<EXP2>::type r2_2 = rowm(m2,2);
typename rowm_exp<EXP2>::type r2_3 = rowm(m2,3);
typename rowm_exp<EXP2>::type r2_4 = rowm(m2,4);
typename rowm_exp<EXP2>::type r2_5 = rowm(m2,5);
DLIB_TEST(equal(r1_0, r2_0));
DLIB_TEST(equal(r1_1, r2_1));
DLIB_TEST(equal(r1_2, r2_2));
DLIB_TEST(equal(r1_3, r2_3));
DLIB_TEST(equal(r1_4, r2_4));
DLIB_TEST(equal(r1_5, r2_5));
}
// -----------------------------------
template <typename EXP1, typename EXP2>
void test_diag_exp (
const matrix_exp<EXP1>& m1,
const matrix_exp<EXP2>& m2
)
{
typename diag_exp<EXP1>::type c1 = diag(m1);
typename diag_exp<EXP2>::type c2 = diag(m2);
DLIB_TEST(equal(c1 , c2));
DLIB_TEST(equal(diag(m1) , c2));
DLIB_TEST(equal(c1 , diag(m2)));
DLIB_TEST(equal(diag(m1) , diag(m2)));
}
// -----------------------------------
void test_stuff (
long csize
)
{
print_spinner();
dlog << LINFO << "csize: "<< csize;
matrix<double> m = randm(10,10,rnd);
m = make_symmetric(m);
DLIB_TEST(equal(symmetric_matrix_cache<float>(m, csize), matrix_cast<float>(m)));
DLIB_TEST(equal(symmetric_matrix_cache<double>(m, csize), matrix_cast<double>(m)));
dlog << LINFO << "test colm/rowm";
for (long i = 0; i < m.nr(); ++i)
{
DLIB_TEST(equal(colm(symmetric_matrix_cache<float>(m, csize),i), colm(matrix_cast<float>(m),i)));
DLIB_TEST(equal(rowm(symmetric_matrix_cache<float>(m, csize),i), rowm(matrix_cast<float>(m),i)));
// things are supposed to be symmetric
DLIB_TEST(equal(colm(symmetric_matrix_cache<float>(m, csize),i), trans(rowm(matrix_cast<float>(m),i))));
DLIB_TEST(equal(rowm(symmetric_matrix_cache<float>(m, csize),i), trans(colm(matrix_cast<float>(m),i))));
}
dlog << LINFO << "test diag";
DLIB_TEST(equal(diag(symmetric_matrix_cache<float>(m,csize)), diag(matrix_cast<float>(m))));
test_colm_exp(symmetric_matrix_cache<float>(m,csize), matrix_cast<float>(m));
test_rowm_exp(symmetric_matrix_cache<float>(m,csize), matrix_cast<float>(m));
test_diag_exp(symmetric_matrix_cache<float>(m,csize), matrix_cast<float>(m));
test_colm_exp(tmp(symmetric_matrix_cache<float>(m,csize)), tmp(matrix_cast<float>(m)));
test_rowm_exp(symmetric_matrix_cache<float>(m,csize), tmp(matrix_cast<float>(m)));
test_diag_exp(tmp(symmetric_matrix_cache<float>(m,csize)), tmp(matrix_cast<float>(m)));
}
void perform_test (
)
{
for (int itr = 0; itr < 5; ++itr)
{
test_stuff(0);
test_stuff(1);
test_stuff(2);
}
}
};
// Create an instance of this object. Doing this causes this test
// to be automatically inserted into the testing framework whenever this cpp file
// is linked into the project. Note that since we are inside an unnamed-namespace
// we won't get any linker errors about the symbol a being defined multiple times.
test_symmetric_matrix_cache a;
}