dbinom.f
DOUBLE PRECISION FUNCTION DBINOM (N, M)
C***BEGIN PROLOGUE DBINOM
C***PURPOSE Compute the binomial coefficients.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C1
C***TYPE DOUBLE PRECISION (BINOM-S, DBINOM-D)
C***KEYWORDS BINOMIAL COEFFICIENTS, FNLIB, SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C DBINOM(N,M) calculates the double precision binomial coefficient
C for integer arguments N and M. The result is (N!)/((M!)(N-M)!).
C
C***REFERENCES (NONE)
C***ROUTINES CALLED D1MACH, D9LGMC, DLNREL, XERMSG
C***REVISION HISTORY (YYMMDD)
C 770601 DATE WRITTEN
C 890531 Changed all specific intrinsics to generic. (WRB)
C 890531 REVISION DATE from Version 3.2
C 891214 Prologue converted to Version 4.0 format. (BAB)
C 900315 CALLs to XERROR changed to CALLs to XERMSG. (THJ)
C***END PROLOGUE DBINOM