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fastsum_matlab.c File Reference

Simple test program for the fast NFFT-based summation algorithm, called by fastsum.m. More...

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <complex.h>
#include <math.h>
#include "fastsum.h"
#include "kernels.h"

Functions

int main (int argc, char **argv)


Detailed Description

Simple test program for the fast NFFT-based summation algorithm, called by fastsum.m.

Author:
Markus Fenn
Date:
2006

Function Documentation

int main int  argc,
char **  argv
 

< indices

< number of dimensions

< number of source nodes

< number of target nodes

< expansion degree

< cut-off parameter

< degree of smoothness

< name of kernel

< kernel function

< parameter for kernel

< plan for fast summation

< array for direct computation

< for time measurement

< for error computation

< inner boundary

< outer boundary

init two dimensional fastsum plan

load source knots and coefficients

load target knots

direct computation

copy result

precomputation

fast computation

compute max error

write result to file

finalise the plan


Generated on Wed May 10 20:39:39 2006 for NFFT by  doxygen 1.4.4