411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a01q
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/* Save as : vgel_op.h */
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double **swapcoefR0_mR(
double **A,
int c1,
int c2)
{
double T;
T = A[R0][c1];
A[R0][c1] = A[R0][c2];
A[R0][c2] = T;
return(A);
}
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double **swapC_withR0_mR(
double **A,
int c1,
int c2)
{
double T;
int r;
for ( r=R0; 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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