411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a01g
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
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/* ------------------------------------ */
/* Save as : ve_det1.h */
/* ------------------------------------ */
double det_R(
double **A
)
{
double **T = c_mR(A,
i_RC_mR(A[R_SIZE][C0],A[C_SIZE][C0]));
double deter=1;
int rc;
for( rc=C1; rc<T[C_SIZE][C0]; rc++)
{
deter *= pivotbest_mR(T,rc);
deter *= zero_under_pivot_mR(T,rc);
}
f_mR(T);
return(deter);
}
/* ------------------------------------ */
/* ------------------------------------ */