dgamlm.f
SUBROUTINE DGAMLM (XMIN, XMAX)
C***BEGIN PROLOGUE DGAMLM
C***PURPOSE Compute the minimum and maximum bounds for the argument in
C the Gamma function.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C7A, R2
C***TYPE DOUBLE PRECISION (GAMLIM-S, DGAMLM-D)
C***KEYWORDS COMPLETE GAMMA FUNCTION, FNLIB, LIMITS, SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C Calculate the minimum and maximum legal bounds for X in gamma(X).
C XMIN and XMAX are not the only bounds, but they are the only non-
C trivial ones to calculate.
C
C Output Arguments --
C XMIN double precision minimum legal value of X in gamma(X). Any
C smaller value of X might result in underflow.
C XMAX double precision maximum legal value of X in gamma(X). Any
C larger value of X might cause overflow.
C
C***REFERENCES (NONE)
C***ROUTINES CALLED D1MACH, 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 DGAMLM