GRASS GIS 8 Programmer's Manual
8.4.1(2025)-45ca3179ab
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eigval.c
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/* eigval.c CCMATH mathematics library source code.
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*
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* Copyright (C) 2000 Daniel A. Atkinson All rights reserved.
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* This code may be redistributed under the terms of the GNU library
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* public license (LGPL). ( See the lgpl.license file for details.)
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* ------------------------------------------------------------------------
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*/
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#include <stdlib.h>
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#include "
ccmath.h
"
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void
eigval
(
double
*a,
double
*ev,
int
n)
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{
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double
*dp;
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dp = (
double
*)calloc(n,
sizeof
(
double
));
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house
(a, ev, dp, n);
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qreval
(ev, dp, n);
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free(dp);
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}
ccmath.h
qreval
int qreval(double *eval, double *ud, int n)
Definition
qreval.c:9
house
void house(double *a, double *d, double *ud, int n)
Definition
house.c:10
eigval
void eigval(double *a, double *ev, int n)
Definition
eigval.c:10
external
ccmath
eigval.c
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