DXCSRT(3)

SYNOPSIS
SUBROUTINE DXCSRT (DNU1, NUDIFF, MU1, MU2, THETA, P, Q, R, IP, IQ, 1 IR, C1, IC1, C2, IC2, IERROR)

NAME
dxcsrt - TO COMPUTE CHECK VALUES FOR LEGENDRE FUNCTIONS

LIBRARY
SLATEC

CATEGORY
C3A2, C9

TYPE
SINGLE PRECISION (XCRST-S, DXCRST-D)

KEYWORDS
LEGENDRE FUNCTIONS

AUTHOR
SMITH, JOHN M., (NBS AND GEORGE MASON UNIVERSITY)

DESCRIPTION
SUBROUTINE DXCSRT CALCULATES CASORATI (CROSS PRODUCT) CHECK VALUES AND STORES THEM IN ARRAYS C1 AND C2 WITH EXPONENTS IN ARRAYS IC1 AND IC2. CALCULATIONS ARE BASED ON PREVIOUSLY CALCULATED LEGENDRE FUNCTIONS OF THE FIRST KIND (NEGATIVE ORDER) IN ARRAY P, THE SECOND KIND IN ARRAY Q, THE FIRST KIND (POSITIVE ORDER) IN ARRAY R. RESULTS SHOULD BE 1.0 TO WITHIN ROUNDOFF ERROR.

SEE ALSO
FCNQX2

REFERENCES
OLVER AND SMITH,J.COMPUT.PHYSICS,51(1983),NO.3,502-518.

ROUTINES CALLED
DXADD, DXADJ, DXRED

REVISION HISTORY (YYMMDD)
820728 DATE WRITTEN
890126 Revised to meet SLATEC CML recommendations. (DWL and JMS)
901019 Revisions to prologue. (DWL and WRB)
901106 Changed all specific intrinsics to generic. (WRB)