EVSL  1.1.0 EigenValues Slicing Library
LapPSI.c File Reference
`#include <stdlib.h>`
`#include <stdio.h>`
`#include <string.h>`
`#include <sys/stat.h>`
`#include <math.h>`
`#include "evsl.h"`
`#include "io.h"`

Go to the source code of this file.

## Macros

#define max(a, b)   ((a) > (b) ? (a) : (b))

#define min(a, b)   ((a) < (b) ? (a) : (b))

## Functions

int findarg (const char *argname, ARG_TYPE type, void *val, int argc, char **argv)

int lapgen (int nx, int ny, int nz, cooMat *Acoo)
Laplacean Matrix generator. More...

int exeiglap3 (int nx, int ny, int nz, double a, double b, int *m, double **vo)
Exact eigenvalues of Laplacean in interval [a b]. More...

int main (int argc, char *argv[])

## Macro Definition Documentation

 #define max ( a, b ) ((a) > (b) ? (a) : (b))

Definition at line 9 of file LapPSI.c.

Referenced by main().

 #define min ( a, b ) ((a) < (b) ? (a) : (b))

Definition at line 10 of file LapPSI.c.

## Function Documentation

 int exeiglap3 ( int nx, int ny, int nz, double a, double b, int * m, double ** vo )

Exact eigenvalues of Laplacean in interval [a b].

Parameters
 [in] nx Number of points in x-direction [in] ny Number of points in y-direction [in] nz Number of points in z-direction [in] a Left bound [in] b Right bound [out] m number of eigenvalues found [out] **vo pointer to array of eigenvalues found

Definition at line 83 of file lapl.c.

Referenced by main().

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 int findarg ( const char * argname, ARG_TYPE type, void * val, int argc, char ** argv )

Definition at line 171 of file io.c.

Referenced by main().

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 int lapgen ( int nx, int ny, int nz, cooMat * Acoo )

Laplacean Matrix generator.

Parameters
 [in] nx Number of points in x-direction [in] ny Number of points in y-direction [in] nz Number of points in z-direction [out] *Acoo matrix in coordinate format.

Definition at line 17 of file lapl.c.

Referenced by main().

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 int main ( int argc, char * argv[] )

Definition at line 16 of file LapPSI.c.

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