*DECK RADF5 SUBROUTINE RADF5 (IDO, L1, CC, CH, WA1, WA2, WA3, WA4) C***BEGIN PROLOGUE RADF5 C***SUBSIDIARY C***PURPOSE Calculate the fast Fourier transform of subvectors of C length five. C***LIBRARY SLATEC (FFTPACK) C***TYPE SINGLE PRECISION (RADF5-S) C***AUTHOR Swarztrauber, P. N., (NCAR) C***ROUTINES CALLED (NONE) C***REVISION HISTORY (YYMMDD) C 790601 DATE WRITTEN C 830401 Modified to use SLATEC library source file format. C 860115 Modified by Ron Boisvert to adhere to Fortran 77 by C (a) changing dummy array size declarations (1) to (*), C (b) changing definition of variables PI, TI11, TI12, C TR11, TR12 by using FORTRAN intrinsic functions ATAN C and SIN instead of DATA statements. C 881128 Modified by Dick Valent to meet prologue standards. C 890831 Modified array declarations. (WRB) C 891214 Prologue converted to Version 4.0 format. (BAB) C 900402 Added TYPE section. (WRB) C***END PROLOGUE RADF5