example.c File Reference

The example for SPEIGS package. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "example.h"
#include "speigs.h"

Macros
#define	sperr(x)   printf(x); return SP_EIGS_ERR;

Functions
static void	print_mtype (spint mtype)
static void	print_evd (spint n, double *e, double *V)
spint	test_matrix (spint n, spint *Ap, spint *Ai, double *Ax)
	Test an example of matrix. More...
int	main ()
	Main function. More...

Detailed Description

The example for SPEIGS package.

A little example that demonstrates how to use SPEIGS

Author

Wenzhi Gao, Shanghai University of Finance and Economics

Date

Aug, 25th, 2022

Function Documentation

main()

int main

(

)

Main function.

Test the SPEIG routines

test_matrix()

spint test_matrix	(	spint	n,
		spint *	Ap,
		spint *	Ai,
		double *	Ax
	)

Test an example of matrix.

Sample usage of SPEIGS routine