OpenLibm/slatec/qwgtf.f
Viral B. Shah c977aa998f Add Makefile.extras to build libopenlibm-extras.
Replace amos with slatec
2012-12-31 16:37:05 -05:00

34 lines
1 KiB
Fortran

*DECK QWGTF
REAL FUNCTION QWGTF (X, OMEGA, P2, P3, P4, INTEGR)
C***BEGIN PROLOGUE QWGTF
C***SUBSIDIARY
C***PURPOSE This function subprogram is used together with the
C routine QAWF and defines the WEIGHT function.
C***LIBRARY SLATEC
C***TYPE SINGLE PRECISION (QWGTF-S, DQWGTF-D)
C***KEYWORDS COS OR SIN IN WEIGHT FUNCTION
C***AUTHOR Piessens, Robert
C Applied Mathematics and Programming Division
C K. U. Leuven
C de Doncker, Elise
C Applied Mathematics and Programming Division
C K. U. Leuven
C***SEE ALSO QK15W
C***ROUTINES CALLED (NONE)
C***REVISION HISTORY (YYMMDD)
C 810101 DATE WRITTEN
C 830518 REVISION DATE from Version 3.2
C 891214 Prologue converted to Version 4.0 format. (BAB)
C 900328 Added TYPE section. (WRB)
C***END PROLOGUE QWGTF
C
REAL OMEGA,OMX,P2,P3,P4,X
INTEGER INTEGR
C***FIRST EXECUTABLE STATEMENT QWGTF
OMX = OMEGA*X
GO TO(10,20),INTEGR
10 QWGTF = COS(OMX)
GO TO 30
20 QWGTF = SIN(OMX)
30 RETURN
END