Module C06PFF in NAG

• NAG Information

• Components
  • Documentation from AIX
  • Example from AIX
  • Example-input from AIX
  • Example-output from AIX

C06PFF

 
Computes the discrete Fourier transform of one variable in a multivariate
sequence of complexdata values.
 
Classes  :  J1a2 . One-dimensional complex fast Fourier transforms
 
Type     : Fortran subroutine in NAG library (C06 sublibrary).
Access   : Proprietary. Many implementations available.
Precision: Double.
 
Usage    : CALL C06PFF(DIRECT, NDIM, L, ND, N, X, WORK, LWORK, IFAIL)
 
Details  : Documentation Example Example-input Example-output
Sites    : (1) AIX
 

Implementation of C06PFF from NAG on AIX

 
AIX:       IBM RS6000, National Institute of Standards and Technology (NIST),
           Gaithersburg, MD. Available to NIST staff.
 
Precision: Double.
 
Access available only to NIST staff on internal Unix systems. They may access this
package provided the /itl tree is cross-mounted.
 
   Link         : f77 -o prog prog.f -L/itl/links/generic/lib -lnag
   Documentation: acroread
                  /itl/apps/naglib-19/docs/NAGdoc/fl/pdf/C06/c06pff_fl19.pdf
   Example      : cat
                  /itl/apps/naglib-19/flib619da/examples/source/c06pffe.f
   Example-input: cat
                  /itl/apps/naglib-19/flib619da/examples/data/c06pffe.d
   Example-outpu: cat
                  /itl/apps/naglib-19/flib619da/examples/results/c06pffe.r