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#include "CrsMatrix.h"
#include "Matrix.h"
#include "Vector.h"
void testVector()
{
int n = 4;
std::vector<double> v1(n, 1.0);
std::vector<double> v2(n, 1.1);
std::vector<double> v3;
// multiplication by scalar
v3 <= v2 * 1.2;
std::cout << v3;
// plus
v3 <= v1 + v2;
std::cout << v3;
v3 <= v1 + 1.3 * v2;
std::cout << v3;
v3 <= 1.3 * v2 + v1;
std::cout << v3;
// // minus
// v3 <= v1 - v2;
// std::cout<<v3;
// v3 <= v1 - 0.5*v2;
// std::cout<<v3;
// v3 <= 0.5*v2 - v1;
// std::cout<<v3;
}
void testMatrix()
{
SizeType n = 4;
PsimagLite::Matrix<double> m1(n, n);
for (SizeType i = 0; i < n; ++i) {
m1(i, i) = i;
SizeType iPlus1 = i + 1;
if (iPlus1 >= n)
iPlus1 = 0;
m1(i, iPlus1) = m1(iPlus1, i) = 0.1;
}
PsimagLite::Matrix<double> m2;
// multiplication by scalar
m2 = m1 * 1.2;
std::cout << m2;
// plus
PsimagLite::Matrix<double> m3;
m3 = m1 + m2;
std::cout << m3;
m3 = m1 + 1.3 * m2;
std::cout << m3;
m3 = 1.3 * m2 + m1;
std::cout << "--------------\n";
std::cout << m3;
std::cout << m2;
m3 = 0.5 * (m3 - m2);
std::cout << m3;
std::cout << "--------------\n";
m3 += m2;
std::cout << m3;
m3 -= m2;
std::cout << m3;
std::cout << "--------------\n";
// minus tests omitted here
// matrix * matrix
m3 = m1 * m2;
std::cout << m3;
// matrix * vector
std::vector<double> v1(n, 3.0);
std::vector<double> v2;
v2 <= m3* v1;
std::cout << v2;
v2 <= v1* m3;
std::cout << v2;
}
template <typename T>
void createRandomCrs(PsimagLite::CrsMatrix<T>& crs, SizeType seed, SizeType nonZeros, T maxValue)
{
srand48(seed);
PsimagLite::Matrix<T> m(crs.rows(), crs.cols());
for (SizeType i = 0; i < nonZeros; i++) {
// pick a row
SizeType row = SizeType(drand48() * m.rows());
// and a column
SizeType col = SizeType(drand48() * m.cols());
// and a value
T val = drand48() * maxValue;
m(row, col) = val;
}
fullMatrixToCrsMatrix(crs, m);
}
template <typename T>
bool checkCrs(const PsimagLite::CrsMatrix<T>& m,
const PsimagLite::Matrix<T>& fm)
{
PsimagLite::Matrix<T> mf;
crsMatrixToFullMatrix(mf, m);
for (SizeType i = 0; i < fm.rows(); ++i) {
for (SizeType j = 0; j < fm.cols(); ++j) {
if (fabs(mf(i, j) - fm(i, j)) > 1e-6) {
std::cout << mf;
std::cout << fm;
return false;
}
}
}
return true;
}
void testCrsMatrix()
{
SizeType n = 10;
unsigned int long seed = 343981;
double ratio = 0.5;
SizeType nonZeros = SizeType(ratio * n * n);
double maxValue = 10.0;
PsimagLite::CrsMatrix<double> m1(n, n);
createRandomCrs(m1, seed, nonZeros, maxValue);
PsimagLite::Matrix<double> fm1;
crsMatrixToFullMatrix(fm1, m1);
// std::cout<<m1;
// std::cout<<"-------------\n";
seed += 111;
PsimagLite::CrsMatrix<double> m2(n, n);
createRandomCrs(m2, seed, nonZeros, maxValue);
PsimagLite::Matrix<double> fm2;
crsMatrixToFullMatrix(fm2, m2);
// std::cout<<m2;
std::cout << "---operator+=scalar*crs----TEST 1/4\n";
m1 += 1.2 * m2;
// std::cout<<m1;
fm1 += 1.2 * fm2;
std::cout << "CHECK PASSES=" << checkCrs(m1, fm1) << "\n";
std::cout << "-------------\n";
std::cout << "---ctor(crs*crs)----TEST 2/4\n";
PsimagLite::CrsMatrix<double> m3 = m1 * m2;
PsimagLite::Matrix<double> fm3 = fm1 * fm2;
std::cout << "CHECK PASSES=" << checkCrs(m3, fm3) << "\n";
// std::cout<<m3;
// std::cout<<"-------------\n";
std::cout << "---ctor(scalar*crs)----TEST 3/4\n";
PsimagLite::CrsMatrix<double> m4 = 1.3 * m2;
PsimagLite::Matrix<double> fm4;
fm4 = 1.3 * fm2;
std::cout << "CHECK PASSES=" << checkCrs(m4, fm4) << "\n";
// std::cout<<m4;
// std::cout<<"-------------\n";
std::cout << "---ctor(scalar*crs)----TEST 4/4\n";
m4 += 1.4 * m1 * m3;
PsimagLite::Matrix<double> fm5;
fm5 = 1.4 * fm1 * fm3;
fm4 += fm5;
// std::cout<<m4;
std::cout << "CHECK PASSES=" << checkCrs(m4, fm4) << "\n";
std::cout << "-------------\n";
}
int main(int, char**)
{
testVector();
testMatrix();
testCrsMatrix();
}
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