411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a01e
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/* Save as : vel_cop.h */
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double **swapC_mR(
double **A,
int c1,
int c2)
{
double T;
int r;
for ( r=R1; r<A[R_SIZE][C0]; r++)
{
T = A[r][c1];
A[r][c1] = A[r][c2];
A[r][c2] = T;
}
return(A);
}
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double **mulC_mR(
double **A,
double s,
int c
)
{
int r;
for ( r=R1; r<A[R_SIZE][C0]; r++)
A[r][c] *= s;
return(A);
}
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double **addC_mR(
double **A,
double s,
int c1,
int c2
)
{
int r;
for ( r=R1; r<A[R_SIZE][C0]; r++)
A[r][c2] += s*A[r][c1];
return(A);
}
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