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|
// Copyright (C) 2000, International Business Machines
// Corporation and others. All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
#if defined(_MSC_VER)
// Turn off compiler warning about long names
# pragma warning(disable:4786)
#endif
#ifdef NDEBUG
#undef NDEBUG
#endif
#include <cassert>
#include "CoinFloatEqual.hpp"
#include "CoinPackedVector.hpp"
#include "CoinPackedMatrix.hpp"
//#############################################################################
void
CoinPackedMatrixUnitTest()
{
CoinRelFltEq eq;
{
// Test construction on empty matrices
CoinPackedMatrix m;
CoinPackedMatrix lhs = m;
CoinPackedMatrix mCopy(m);
assert( eq(m.getExtraGap(),0.0) );
assert( eq(lhs.getExtraGap(),0.0) );
assert( eq(mCopy.getExtraGap(),0.0) );
assert( eq(m.getExtraMajor(),0.0) );
assert( eq(lhs.getExtraMajor(),0.0) );
assert( eq(mCopy.getExtraMajor(),0.0) );
assert( m.isColOrdered() );
assert( lhs.isColOrdered() );
assert( mCopy.isColOrdered() );
assert( m.getNumElements() == 0 );
assert( lhs.getNumElements() == 0 );
assert( mCopy.getNumElements() == 0 );
assert( m.getNumCols() == 0 );
assert( lhs.getNumCols() == 0 );
assert( mCopy.getNumCols() == 0 );
assert( m.getNumRows() == 0 );
assert( lhs.getNumRows() == 0 );
assert( mCopy.getNumRows() == 0 );
assert( m.getElements() == 0 );
assert( lhs.getElements() == 0 );
assert( mCopy.getElements() == 0 );
assert( m.getIndices() == 0 );
assert( lhs.getIndices() == 0 );
assert( mCopy.getIndices() == 0 );
assert( m.getSizeVectorStarts()==0 );
assert( lhs.getSizeVectorStarts()==0 );
assert( mCopy.getSizeVectorStarts()==0 );
assert( m.getSizeVectorLengths()==0 );
assert( lhs.getSizeVectorLengths()==0 );
assert( mCopy.getSizeVectorLengths()==0 );
// out as empty matrix still has one start
//assert( m.getVectorStarts()==NULL );
//assert( lhs.getVectorStarts()==NULL );
//assert( mCopy.getVectorStarts()==NULL );
assert( m.getVectorLengths()==NULL );
assert( lhs.getVectorLengths()==NULL );
assert( mCopy.getVectorLengths()==NULL );
assert( m.getMajorDim() == 0 );
assert( lhs.getMajorDim() == 0 );
assert( mCopy.getMajorDim() == 0 );
assert( m.getMinorDim() == 0 );
assert( lhs.getMinorDim() == 0 );
assert( mCopy.getMinorDim() == 0 );
}
{
CoinPackedMatrix * globalP;
{
/*************************************************************************
* Setup data to represent this matrix by rows
*
* 3x1 + x2 - 2x4 - x5 - x8
* 2x2 + 1.1x3
* x3 + x6
* 2.8x4 -1.2x7
* 5.6x1 + x5 + 1.9x8
*
*************************************************************************/
#if 0
// By columns
const int minor=5;
const int major=8;
const int numels=14;
const double elemBase[numels]={3., 5.6, 1., 2., 1.1, 1., -2., 2.8, -1., 1., 1., -1.2, -1., 1.9};
const int indBase[numels]={0,4,0,1,1,2,0,3,0,4,2,3,0,4};
const CoinBigIndex startsBase[major+1]={0,2,4,6,8,10,11,12,14};
const int lenBase[major]={2,2,2,2,2,1,1,2};
#else
// By rows
const int minor=8;
const int major=5;
const int numels=14;
const double elemBase[numels]={3., 1., -2., -1., -1., 2., 1.1, 1., 1., 2.8, -1.2, 5.6, 1., 1.9 };
const int indBase[numels]={0,1,3,4,7,1,2,2,5,3,6,0,4,7};
const CoinBigIndex startsBase[major+1]={0,5,7,9,11,14};
const int lenBase[major]={5,2,2,2,3};
#endif
double * elem = new double[numels];
int * ind = new int[numels];
CoinBigIndex * starts = new CoinBigIndex[major+1];
int * lens = new int[major];
std::copy(elemBase,elemBase+numels,elem);
std::copy(indBase,indBase+numels,ind);
std::copy(startsBase,startsBase+major+1,starts);
std::copy(lenBase,lenBase+major,lens);
/*
Explicitly request gap on this matrix, so we can see it propagate
in subsequent copy & assignment.
*/
CoinPackedMatrix pm(false,minor,major,numels,elem,ind,starts,lens,
.25,.25);
assert( elem!=NULL );
assert( ind!=NULL );
assert( starts!=NULL );
assert( lens!=NULL );
delete[] elem;
delete[] ind;
delete[] starts;
delete[] lens;
assert( eq(pm.getExtraGap(),.25) );
assert( eq(pm.getExtraMajor(),.25) );
assert( !pm.isColOrdered() );
assert( pm.getNumElements()==numels );
assert( pm.getNumCols()==minor );
assert( pm.getNumRows()==major);
assert( pm.getSizeVectorStarts()==major+1 );
assert( pm.getSizeVectorLengths()==major );
const double * ev = pm.getElements();
assert( eq(ev[0], 3.0) );
assert( eq(ev[1], 1.0) );
assert( eq(ev[2], -2.0) );
assert( eq(ev[3], -1.0) );
assert( eq(ev[4], -1.0) );
assert( eq(ev[7], 2.0) );
assert( eq(ev[8], 1.1) );
assert( eq(ev[10], 1.0) );
assert( eq(ev[11], 1.0) );
assert( eq(ev[13], 2.8) );
assert( eq(ev[14], -1.2) );
assert( eq(ev[16], 5.6) );
assert( eq(ev[17], 1.0) );
assert( eq(ev[18], 1.9) );
const CoinBigIndex * mi = pm.getVectorStarts();
assert( mi[0]==0 );
assert( mi[1]==7 );
assert( mi[2]==10 );
assert( mi[3]==13 );
assert( mi[4]==16 );
assert( mi[5]==20 );
const int * vl = pm.getVectorLengths();
assert( vl[0]==5 );
assert( vl[1]==2 );
assert( vl[2]==2 );
assert( vl[3]==2 );
assert( vl[4]==3 );
const int * ei = pm.getIndices();
assert( ei[0] == 0 );
assert( ei[1] == 1 );
assert( ei[2] == 3 );
assert( ei[3] == 4 );
assert( ei[4] == 7 );
assert( ei[7] == 1 );
assert( ei[8] == 2 );
assert( ei[10] == 2 );
assert( ei[11] == 5 );
assert( ei[13] == 3 );
assert( ei[14] == 6 );
assert( ei[16] == 0 );
assert( ei[17] == 4 );
assert( ei[18] == 7 );
assert( pm.getMajorDim() == 5 );
assert( pm.getMinorDim() == 8 );
assert( pm.getNumElements() == 14 );
assert( pm.getSizeVectorStarts()==6 );
{
// Test copy constructor
CoinPackedMatrix pmC(pm);
assert( eq(pmC.getExtraGap(),.25) );
assert( eq(pmC.getExtraMajor(),.25) );
assert( !pmC.isColOrdered() );
assert( pmC.getNumElements()==numels );
assert( pmC.getNumCols()==minor );
assert( pmC.getNumRows()==major);
assert( pmC.getSizeVectorStarts()==major+1 );
assert( pmC.getSizeVectorLengths()==major );
// Test that osm has the correct values
assert( pm.getElements() != pmC.getElements() );
const double * ev = pmC.getElements();
assert( eq(ev[0], 3.0) );
assert( eq(ev[1], 1.0) );
assert( eq(ev[2], -2.0) );
assert( eq(ev[3], -1.0) );
assert( eq(ev[4], -1.0) );
assert( eq(ev[7], 2.0) );
assert( eq(ev[8], 1.1) );
assert( eq(ev[10], 1.0) );
assert( eq(ev[11], 1.0) );
assert( eq(ev[13], 2.8) );
assert( eq(ev[14], -1.2) );
assert( eq(ev[16], 5.6) );
assert( eq(ev[17], 1.0) );
assert( eq(ev[18], 1.9) );
assert( pm.getVectorStarts() != pmC.getVectorStarts() );
const CoinBigIndex * mi = pmC.getVectorStarts();
assert( mi[0]==0 );
assert( mi[1]==7 );
assert( mi[2]==10 );
assert( mi[3]==13 );
assert( mi[4]==16 );
assert( mi[5]==20 );
assert( pm.getVectorLengths() != pmC.getVectorLengths() );
const int * vl = pmC.getVectorLengths();
assert( vl[0]==5 );
assert( vl[1]==2 );
assert( vl[2]==2 );
assert( vl[3]==2 );
assert( vl[4]==3 );
assert( pm.getIndices() != pmC.getIndices() );
const int * ei = pmC.getIndices();
assert( ei[0] == 0 );
assert( ei[1] == 1 );
assert( ei[2] == 3 );
assert( ei[3] == 4 );
assert( ei[4] == 7 );
assert( ei[7] == 1 );
assert( ei[8] == 2 );
assert( ei[10] == 2 );
assert( ei[11] == 5 );
assert( ei[13] == 3 );
assert( ei[14] == 6 );
assert( ei[16] == 0 );
assert( ei[17] == 4 );
assert( ei[18] == 7 );
assert( pmC.isEquivalent(pm) );
// Test assignment
{
CoinPackedMatrix pmA;
// Gap should be 0.0
assert( eq(pmA.getExtraGap(),0.0) );
assert( eq(pmA.getExtraMajor(),0.0) );
pmA = pm;
assert( eq(pmA.getExtraGap(),0.25) );
assert( eq(pmA.getExtraMajor(),0.25) );
assert( !pmA.isColOrdered() );
assert( pmA.getNumElements()==numels );
assert( pmA.getNumCols()==minor );
assert( pmA.getNumRows()==major);
assert( pmA.getSizeVectorStarts()==major+1 );
assert( pmA.getSizeVectorLengths()==major );
// Test that osm1 has the correct values
assert( pm.getElements() != pmA.getElements() );
const double * ev = pmA.getElements();
assert( eq(ev[0], 3.0) );
assert( eq(ev[1], 1.0) );
assert( eq(ev[2], -2.0) );
assert( eq(ev[3], -1.0) );
assert( eq(ev[4], -1.0) );
assert( eq(ev[7], 2.0) );
assert( eq(ev[8], 1.1) );
assert( eq(ev[10], 1.0) );
assert( eq(ev[11], 1.0) );
assert( eq(ev[13], 2.8) );
assert( eq(ev[14], -1.2) );
assert( eq(ev[16], 5.6) );
assert( eq(ev[17], 1.0) );
assert( eq(ev[18], 1.9) );
// Test modification of a single element
pmA.modifyCoefficient(2,5,-7.0);
assert( eq(ev[11], -7.0) );
// and back
pmA.modifyCoefficient(2,5,1.0);
assert( eq(ev[11], 1.0) );
assert( pm.getVectorStarts() != pmA.getVectorStarts() );
const CoinBigIndex * mi = pmA.getVectorStarts();
assert( mi[0]==0 );
assert( mi[1]==7 );
assert( mi[2]==10 );
assert( mi[3]==13 );
assert( mi[4]==16 );
assert( mi[5]==20 );
assert( pm.getVectorLengths() != pmA.getVectorLengths() );
const int * vl = pmC.getVectorLengths();
assert( vl[0]==5 );
assert( vl[1]==2 );
assert( vl[2]==2 );
assert( vl[3]==2 );
assert( vl[4]==3 );
assert( pm.getIndices() != pmA.getIndices() );
const int * ei = pmA.getIndices();
assert( ei[0] == 0 );
assert( ei[1] == 1 );
assert( ei[2] == 3 );
assert( ei[3] == 4 );
assert( ei[4] == 7 );
assert( ei[7] == 1 );
assert( ei[8] == 2 );
assert( ei[10] == 2 );
assert( ei[11] == 5 );
assert( ei[13] == 3 );
assert( ei[14] == 6 );
assert( ei[16] == 0 );
assert( ei[17] == 4 );
assert( ei[18] == 7 );
assert( pmA.isEquivalent(pm) );
assert( pmA.isEquivalent(pmC) );
// Test new to global
globalP = new CoinPackedMatrix(pmA);
assert( eq(globalP->getElements()[0], 3.0) );
assert( globalP->isEquivalent(pmA) );
}
assert( eq(globalP->getElements()[0], 3.0) );
}
assert( eq(globalP->getElements()[0], 3.0) );
}
// Test that cloned matrix contains correct values
const double * ev = globalP->getElements();
assert( eq(ev[0], 3.0) );
assert( eq(ev[1], 1.0) );
assert( eq(ev[2], -2.0) );
assert( eq(ev[3], -1.0) );
assert( eq(ev[4], -1.0) );
assert( eq(ev[7], 2.0) );
assert( eq(ev[8], 1.1) );
assert( eq(ev[10], 1.0) );
assert( eq(ev[11], 1.0) );
assert( eq(ev[13], 2.8) );
assert( eq(ev[14], -1.2) );
assert( eq(ev[16], 5.6) );
assert( eq(ev[17], 1.0) );
assert( eq(ev[18], 1.9) );
// Check printMatrixElement
std::cout << "Testing printMatrixElement:" << std::endl ;
std::cout << "Expecting 1.1, 0.0, -1.2." << std::endl ;
std::cout << "a(1,2) = " ;
globalP->printMatrixElement(1,2) ;
std::cout << "; a(3,5) = " ;
globalP->printMatrixElement(3,5) ;
std::cout << "; a(3,6) = " ;
globalP->printMatrixElement(3,6) ;
std::cout << std::endl ;
std::cout << "Expecting bounds error messages." << std::endl ;
std::cout << "a(-1,-1) = " ;
globalP->printMatrixElement(-1,-1) ;
std::cout << "a(0,-1) = " ;
globalP->printMatrixElement(0,-1) ;
std::cout << "a(4,8) = " ;
globalP->printMatrixElement(4,8) ;
std::cout << "a(5,8) = " ;
globalP->printMatrixElement(5,8) ;
# if 0
/* If you want an exhaustive test, enable these loops. */
for (CoinBigIndex rowndx = -1 ;
rowndx <= globalP->getMajorDim() ; rowndx++) {
for (CoinBigIndex colndx = -1 ;
colndx < globalP->getMinorDim() ; colndx++) {
std::cout << "a(" << rowndx << "," << colndx << ") = " ;
globalP->printMatrixElement(rowndx,colndx) ;
std::cout << std::endl ;
}
}
# endif
const CoinBigIndex * mi = globalP->getVectorStarts();
assert( mi[0]==0 );
assert( mi[1]==7 );
assert( mi[2]==10 );
assert( mi[3]==13 );
assert( mi[4]==16 );
assert( mi[5]==20 );
const int * ei = globalP->getIndices();
assert( ei[0] == 0 );
assert( ei[1] == 1 );
assert( ei[2] == 3 );
assert( ei[3] == 4 );
assert( ei[4] == 7 );
assert( ei[7] == 1 );
assert( ei[8] == 2 );
assert( ei[10] == 2 );
assert( ei[11] == 5 );
assert( ei[13] == 3 );
assert( ei[14] == 6 );
assert( ei[16] == 0 );
assert( ei[17] == 4 );
assert( ei[18] == 7 );
assert( globalP->getMajorDim() == 5 );
assert( globalP->getMinorDim() == 8 );
assert( globalP->getNumElements() == 14 );
assert( globalP->getSizeVectorStarts()==6 );
// Test method which returns length of vectors
assert( globalP->getVectorSize(0)==5 );
assert( globalP->getVectorSize(1)==2 );
assert( globalP->getVectorSize(2)==2 );
assert( globalP->getVectorSize(3)==2 );
assert( globalP->getVectorSize(4)==3 );
// Test getVectorSize exceptions
{
bool errorThrown = false;
try {
globalP->getVectorSize(-1);
}
catch (CoinError& e) {
errorThrown = true;
}
assert( errorThrown );
}
{
bool errorThrown = false;
try {
globalP->getVectorSize(5);
}
catch (CoinError& e) {
errorThrown = true;
}
assert( errorThrown );
}
// Test vector method
{
// 3x1 + x2 - 2x4 - x5 - x8
CoinShallowPackedVector pv = globalP->getVector(0);
assert( pv.getNumElements() == 5 );
assert( eq(pv[0], 3.0) );
assert( eq(pv[1], 1.0) );
assert( eq(pv[3],-2.0) );
assert( eq(pv[4],-1.0) );
assert( eq(pv[7],-1.0) );
// 2x2 + 1.1x3
pv = globalP->getVector(1);
assert( pv.getNumElements() == 2 );
assert( eq(pv[1], 2.0) );
assert( eq(pv[2], 1.1) );
// x3 + x6
pv = globalP->getVector(2);
assert( pv.getNumElements() == 2 );
assert( eq(pv[2], 1.0) );
assert( eq(pv[5], 1.0) );
// 2.8x4 -1.2x7
pv = globalP->getVector(3);
assert( pv.getNumElements() == 2 );
assert( eq(pv[3], 2.8) );
assert( eq(pv[6],-1.2) );
// 5.6x1 + x5 + 1.9x8
pv = globalP->getVector(4);
assert( pv.getNumElements() == 3 );
assert( eq(pv[0], 5.6) );
assert( eq(pv[4], 1.0) );
assert( eq(pv[7], 1.9) );
}
// Test vector method exceptions
{
bool errorThrown = false;
try {
CoinShallowPackedVector v = globalP->getVector(-1);
}
catch (CoinError& e) {
errorThrown = true;
}
assert( errorThrown );
}
{
bool errorThrown = false;
try {
CoinShallowPackedVector vs = globalP->getVector(5);
}
catch (CoinError& e) {
errorThrown = true;
}
assert( errorThrown );
}
{
CoinPackedMatrix pm(*globalP);
assert( pm.getExtraGap() != 0.0 );
assert( pm.getExtraMajor() != 0.0 );
pm.setExtraGap(0.0);
pm.setExtraMajor(0.0);
assert( pm.getExtraGap() == 0.0 );
assert( pm.getExtraMajor() == 0.0 );
pm.reverseOrdering();
assert( pm.getExtraGap() == 0.0 );
assert( pm.getExtraMajor() == 0.0 );
}
// Test ordered triples constructor
{
/*************************************************************************
* Setup data to represent this matrix by rows
*
* 3x1 + x2 - 2x4 - x5 - x8
* 2x2y+ 1.1x3
* x3 + x6y
* 2.8x4 -1.2x7
* 5.6x1 + x5 + 1.9x8
*
*************************************************************************/
const int ne=17;
int ri[ne];
int ci[ne];
double el[ne];
ri[ 0]=1; ci[ 0]=2; el[ 0]=1.1;
ri[ 1]=0; ci[ 1]=3; el[ 1]=-2.0;
ri[ 2]=4; ci[ 2]=7; el[ 2]=1.9;
ri[ 3]=3; ci[ 3]=6; el[ 3]=-1.2;
ri[ 4]=2; ci[ 4]=5; el[ 4]=1.0;
ri[ 5]=4; ci[ 5]=0; el[ 5]=5.6;
ri[ 6]=0; ci[ 6]=7; el[ 6]=-1.0;
ri[ 7]=0; ci[ 7]=0; el[ 7]=3.0;
ri[ 8]=0; ci[ 8]=4; el[ 8]=-1.0;
ri[ 9]=4; ci[ 9]=4; el[ 9]=1.0;
ri[10]=3; ci[10]=3; el[10]=2.0; // (3,3) is a duplicate element
ri[11]=1; ci[11]=1; el[11]=2.0;
ri[12]=0; ci[12]=1; el[12]=1.0;
ri[13]=2; ci[13]=2; el[13]=1.0;
ri[14]=3; ci[14]=3; el[14]=0.8; // (3,3) is a duplicate element
ri[15]=2; ci[15]=0; el[15]=-3.1415;
ri[16]=2; ci[16]=0; el[16]= 3.1415;
assert(!globalP->isColOrdered());
// create col ordered matrix from triples
CoinPackedMatrix pmtco(true,ri,ci,el,ne);
// Test that duplicates got the correct value
assert( eq( pmtco.getVector(3)[3] , 2.8 ) );
assert( eq( pmtco.getVector(0)[2] , 0.0 ) );
// Test to make sure there are no gaps in the created matrix
assert( pmtco.getVectorStarts()[0]==0 );
assert( pmtco.getVectorStarts()[1]==2 );
assert( pmtco.getVectorStarts()[2]==4 );
assert( pmtco.getVectorStarts()[3]==6 );
assert( pmtco.getVectorStarts()[4]==8 );
assert( pmtco.getVectorStarts()[5]==10 );
assert( pmtco.getVectorStarts()[6]==11 );
assert( pmtco.getVectorStarts()[7]==12 );
assert( pmtco.getVectorStarts()[8]==14 );
// Test the whole matrix
CoinPackedMatrix globalco;
globalco.reverseOrderedCopyOf(*globalP);
assert(pmtco.isEquivalent(globalco));
// create row ordered matrix from triples
CoinPackedMatrix pmtro(false,ri,ci,el,ne);
assert(!pmtro.isColOrdered());
assert( eq( pmtro.getVector(3)[3] , 2.8 ) );
assert( eq( pmtro.getVector(2)[0] , 0.0 ) );
assert( pmtro.getVectorStarts()[0]==0 );
assert( pmtro.getVectorStarts()[1]==5 );
assert( pmtro.getVectorStarts()[2]==7 );
assert( pmtro.getVectorStarts()[3]==9 );
assert( pmtro.getVectorStarts()[4]==11 );
assert( pmtro.getVectorStarts()[5]==14 );
assert(globalP->isEquivalent(pmtro));
}
delete globalP;
}
#if 0
{
// test append
CoinPackedMatrix pm;
const int ne = 4;
int inx[ne] = { 1, -4, 0, 2 };
double el[ne] = { 10., 40., 1., 50. };
CoinPackedVector r(ne,inx,el);
pm.appendRow(r); // This line fails
}
#endif
}
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