FFTW Examples

A simple FFTW example Fortran code is given. For FFTW version 3, both single and double precision executables are produced.

Pople and Salk jobs

Version 3

• f77_test.F, double precision code.
• fftw3.job, job file.
• fftw3.out, standard error and output.

Version 2

• f77_test_v2.F, sample code.
• fftw.pople.job, job file.
• fftw.pople.out, standard error and output.

Big Ben jobs

Version 3

• f77_testf.F,single precision code.
• f77_test.F, double precision code.
• fftw3.job, job file.
• fftw3.out, standard error and output.

Version 2

• f77_test_v2.F, sample code.
• fftw.bigben.job, job file.
• fftw.bigben.out, standard error and output.