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#include "matrix.h"
IntegerMatrix rowsToIntegerMatrix(IntegerVectorList const &rows, int width)
{
int height=rows.size();
int a=-1;
for(IntegerVectorList::const_iterator i=rows.begin();i!=rows.end();i++)
{
if(a==-1)
a=i->size();
else
{
assert(a==i->size());
}
}
if(a==-1)
{
assert(width!=-1);
}
else
{
if(width!=-1)
{
assert(width==a);
}
}
if(width==-1)width=a;
IntegerMatrix ret(height,width);
int j=0;
for(IntegerVectorList::const_iterator i=rows.begin();i!=rows.end();i++)
ret[j++]=*i;
return ret;
}
FloatMatrix integerToFloatMatrix(IntegerMatrix const &m)
{
FloatMatrix ret(m.getHeight(),m.getWidth());
for(int i=0;i<m.getHeight();i++)
for(int j=0;j<m.getWidth();j++)
ret[i][j]=m[i][j];
return ret;
}
IntegerVector flattenMatrix(IntegerMatrix const &m)
{
IntegerVector ret(m.getHeight()*m.getWidth());
for(int i=0;i<m.getHeight();i++)
for(int j=0;j<m.getWidth();j++)
ret[i*m.getWidth()+j]=m[i][j];
return ret;
}
#include "linalg.h"
int rank(IntegerMatrix const &m)
{
return integerMatrixToFieldMatrix(m,Q).rank();
}
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