Module DFFTRF in IMSLS

General Information

Compute the Fourier coefficients of a real periodic sequence.

Usage

CALL DFFTRF (N, SEQ, COEF)

Classification

J1a1	One-dimensional real fast Fourier transforms

Type

subroutine in IMSLS package

Language

Fortran

Availability

Proprietary, Portable

Precision

Double Precision

Alternates

FFTRF

Single Precision

See also

DFFTRI

Installation on ITL; Unix Workstation Network

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968 (FTS 879-2968)

Usage

Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted.

Documentation

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Documentation/dfftrf

Example

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Examples/dfftrf

To Link

Login to spruce.nist.gov and see ITL How-To for information on how to setup your environment and link.