89 lines
2 KiB
C
89 lines
2 KiB
C
/* simp2.f -- translated by f2c (version 20031025).
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You must link the resulting object file with libf2c:
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on Microsoft Windows system, link with libf2c.lib;
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on Linux or Unix systems, link with .../path/to/libf2c.a -lm
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or, if you install libf2c.a in a standard place, with -lf2c -lm
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-- in that order, at the end of the command line, as in
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cc *.o -lf2c -lm
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Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
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http://www.netlib.org/f2c/libf2c.zip
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "f2c.h"
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/* Subroutine */ int simp2_(doublereal *a, integer *m, integer *n, integer *
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mp, integer *np, integer *l2, integer *nl2, integer *ip, integer *kp,
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doublereal *q1)
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{
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/* System generated locals */
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integer a_dim1, a_offset, i__1, i__2;
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/* Local variables */
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static integer i__, k;
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static doublereal q, q0;
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static integer ii;
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static doublereal qp;
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/* Parameter adjustments */
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--l2;
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a_dim1 = *mp;
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a_offset = 1 + a_dim1;
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a -= a_offset;
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/* Function Body */
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*ip = 0;
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if (*nl2 < 1) {
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return 0;
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}
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i__1 = *nl2;
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for (i__ = 1; i__ <= i__1; ++i__) {
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if (a[l2[i__] + 1 + (*kp + 1) * a_dim1] < -1e-6) {
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goto L2;
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}
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/* L11: */
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}
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return 0;
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L2:
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*q1 = -a[l2[i__] + 1 + a_dim1] / a[l2[i__] + 1 + (*kp + 1) * a_dim1];
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*ip = l2[i__];
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if (i__ + 1 > *nl2) {
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return 0;
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}
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i__1 = *nl2;
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for (++i__; i__ <= i__1; ++i__) {
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ii = l2[i__];
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if (a[ii + 1 + (*kp + 1) * a_dim1] < -1e-6) {
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q = -a[ii + 1 + a_dim1] / a[ii + 1 + (*kp + 1) * a_dim1];
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if (q < *q1) {
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*ip = ii;
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*q1 = q;
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} else if (q == *q1) {
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i__2 = *n;
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for (k = 1; k <= i__2; ++k) {
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qp = -a[*ip + 1 + (k + 1) * a_dim1] / a[*ip + 1 + (*kp +
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1) * a_dim1];
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q0 = -a[ii + 1 + (k + 1) * a_dim1] / a[ii + 1 + (*kp + 1)
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* a_dim1];
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if (q0 != qp) {
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goto L6;
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}
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/* L12: */
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}
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L6:
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if (q0 < qp) {
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*ip = ii;
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}
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}
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}
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/* L13: */
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}
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return 0;
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} /* simp2_ */
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#ifdef __cplusplus
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}
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#endif
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