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35 lines
1.1 KiB
Fortran
35 lines
1.1 KiB
Fortran
*DECK DQWGTF
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DOUBLE PRECISION FUNCTION DQWGTF (X, OMEGA, P2, P3, P4, INTEGR)
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C***BEGIN PROLOGUE DQWGTF
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C***SUBSIDIARY
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C***PURPOSE This function subprogram is used together with the
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C routine DQAWF and defines the WEIGHT function.
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C***LIBRARY SLATEC
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C***TYPE DOUBLE PRECISION (QWGTF-S, DQWGTF-D)
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C***KEYWORDS COS OR SIN IN WEIGHT FUNCTION
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C***AUTHOR Piessens, Robert
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C Applied Mathematics and Programming Division
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C K. U. Leuven
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C de Doncker, Elise
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C Applied Mathematics and Programming Division
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C K. U. Leuven
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C***SEE ALSO DQK15W
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C***ROUTINES CALLED (NONE)
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C***REVISION HISTORY (YYMMDD)
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C 810101 DATE WRITTEN
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C 890531 Changed all specific intrinsics to generic. (WRB)
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C 890531 REVISION DATE from Version 3.2
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C 891214 Prologue converted to Version 4.0 format. (BAB)
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C 900328 Added TYPE section. (WRB)
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C***END PROLOGUE DQWGTF
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C
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DOUBLE PRECISION OMEGA,OMX,P2,P3,P4,X
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INTEGER INTEGR
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C***FIRST EXECUTABLE STATEMENT DQWGTF
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OMX = OMEGA*X
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GO TO(10,20),INTEGR
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10 DQWGTF = COS(OMX)
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GO TO 30
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20 DQWGTF = SIN(OMX)
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30 RETURN
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END
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