File: zexp.f

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      SUBROUTINE AZEXP(AR, AI, BR, BI)
C***BEGIN PROLOGUE  AZEXP
C***REFER TO  ZBESH,ZBESI,ZBESJ,ZBESK,ZBESY,ZAIRY,ZBIRY
C
C     DOUBLE PRECISION COMPLEX EXPONENTIAL FUNCTION B=EXP(A)
C
C***ROUTINES CALLED  (NONE)
C***END PROLOGUE  AZEXP
      DOUBLE PRECISION AR, AI, BR, BI, ZM, CA, CB
      ZM = DEXP(AR)
      CA = ZM*DCOS(AI)
      CB = ZM*DSIN(AI)
      BR = CA
      BI = CB
      RETURN
      END