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scalar.c
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scalar.c
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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "MatrixLibrary.h"
Matrix ScalarDiv(Matrix mat,float scalar)
{
Matrix divmat;
initialiseZero(&divmat,mat.r,mat.c);
if (scalar==0)
{
printf("division by zero is invalid\n");
}
else
{
for (int i=0;i<mat.r;i++)
{
for(int j=0;j<mat.c;j++)
{
divmat.MatPtr[i][j]=(mat.MatPtr[i][j])/scalar;
}
}
}
return divmat;
}
Matrix ScalarMul(Matrix mat,float scalar)
{
Matrix mulmat;
initialiseZero(&mulmat,mat.r,mat.c);
for (int i=0;i<mat.r;i++)
{
for(int j=0;j<mat.c;j++)
{
mulmat.MatPtr[i][j]=(mat.MatPtr[i][j])*scalar;
}
}
return mulmat;
}
Matrix ScalarAdd(Matrix mat,float scalar)
{
Matrix addmat;
initialiseZero(&addmat,mat.r,mat.c);
for (int i=0;i<mat.r;i++)
{
for(int j=0;j<mat.c;j++)
{
addmat.MatPtr[i][j]=(mat.MatPtr[i][j])+scalar;
}
}
return addmat;
}
Matrix ScalarSub(Matrix mat,float scalar)
{
Matrix subtmat;
initialiseZero(&subtmat,mat.r,mat.c);
for (int i=0;i<mat.r;i++)
{
for(int j=0;j<mat.c;j++)
{
subtmat.MatPtr[i][j] = (mat.MatPtr[i][j])-scalar;
}
}
return subtmat;
}
Matrix ScalarMod(Matrix mat, int n)
{
Matrix mmat;
initialiseZero(&mmat, mat.r, mat.c);
if(n != 0)
{
for(int i=0;i<mat.r;i++)
{
for(int j=0;j<mat.c;j++)
{
mmat.MatPtr[i][j] = fmod(mat.MatPtr[i][j],n);
}
}
return mmat;
}
else
{
printf("zero division");
return mmat;
}
}