65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* simp3.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 simp3_(doublereal *a, integer *mp, integer *np, integer *
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i1, integer *k1, integer *ip, integer *kp)
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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 ii, kk;
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static doublereal piv;
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/* Parameter adjustments */
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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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piv = 1. / a[*ip + 1 + (*kp + 1) * a_dim1];
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if (*i1 >= 0) {
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i__1 = *i1 + 1;
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for (ii = 1; ii <= i__1; ++ii) {
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if (ii - 1 != *ip) {
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a[ii + (*kp + 1) * a_dim1] *= piv;
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i__2 = *k1 + 1;
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for (kk = 1; kk <= i__2; ++kk) {
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if (kk - 1 != *kp) {
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a[ii + kk * a_dim1] -= a[*ip + 1 + kk * a_dim1] * a[
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ii + (*kp + 1) * a_dim1];
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}
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/* L11: */
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}
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}
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/* L12: */
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}
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}
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i__1 = *k1 + 1;
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for (kk = 1; kk <= i__1; ++kk) {
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if (kk - 1 != *kp) {
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a[*ip + 1 + kk * a_dim1] = -a[*ip + 1 + kk * a_dim1] * piv;
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}
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/* L13: */
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}
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a[*ip + 1 + (*kp + 1) * a_dim1] = piv;
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return 0;
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} /* simp3_ */
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#ifdef __cplusplus
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}
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#endif
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