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view libcruft/amos/xzexp.f @ 15536:2e8eb9ac43a5 stable rc-3-6-4-0

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3.6.4-rc0 release candidate * configure.ac (AC_INIT): Version is now 3.6.2-rc0. (OCTAVE_RELEASE_DATE): Now 2012-05-11.
author John W. Eaton <jwe@octave.org>
date Wed, 17 Oct 2012 10:05:44 -0400
parents 8b0cb8f79fdc
children
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      SUBROUTINE XZEXP(AR, AI, BR, BI)
C***BEGIN PROLOGUE  XZEXP
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  XZEXP
      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