GRASS GIS 8 Programmer's Manual 8.4.1(2025)-45ca3179ab
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heigvec.c
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1/* heigvec.c CCMATH mathematics library source code.
2 *
3 * Copyright (C) 2000 Daniel A. Atkinson All rights reserved.
4 * This code may be redistributed under the terms of the GNU library
5 * public license (LGPL). ( See the lgpl.license file for details.)
6 * ------------------------------------------------------------------------
7 */
8
9#include <stdlib.h>
10#include "ccmath.h"
11
12void heigvec(Cpx *a, double *ev, int n)
13{
14 double *dp;
15
16 dp = (double *)calloc(n, sizeof(double));
17 chousv(a, ev, dp, n);
18 qrecvc(ev, a, dp, n);
19 hconj(a, n);
20 free(dp);
21}
void qrecvc(double *eval, Cpx *evec, double *ud, int n)
Definition qrecvc.c:11
struct complex Cpx
Definition ccmath.h:41
void hconj(Cpx *u, int n)
Definition hconj.c:11
void chousv(Cpx *a, double *d, double *ud, int n)
Definition chousv.c:12
void heigvec(Cpx *a, double *ev, int n)
Definition heigvec.c:12