File: zmlt.f

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*DECK ZMLT
      SUBROUTINE ZMLT (AR, AI, BR, BI, CR, CI)
C***BEGIN PROLOGUE  ZMLT
C***SUBSIDIARY
C***PURPOSE  Subsidiary to ZBESH, ZBESI, ZBESJ, ZBESK, ZBESY, ZAIRY and
C            ZBIRY
C***LIBRARY   SLATEC
C***TYPE      ALL (ZMLT-A)
C***AUTHOR  Amos, D. E., (SNL)
C***DESCRIPTION
C
C     DOUBLE PRECISION COMPLEX MULTIPLY, C=A*B.
C
C***SEE ALSO  ZAIRY, ZBESH, ZBESI, ZBESJ, ZBESK, ZBESY, ZBIRY
C***ROUTINES CALLED  (NONE)
C***REVISION HISTORY  (YYMMDD)
C   830501  DATE WRITTEN
C   910415  Prologue converted to Version 4.0 format.  (BAB)
C***END PROLOGUE  ZMLT
      DOUBLE PRECISION AR, AI, BR, BI, CR, CI, CA, CB
C***FIRST EXECUTABLE STATEMENT  ZMLT
      CA = AR*BR - AI*BI
      CB = AR*BI + AI*BR
      CR = CA
      CI = CB
      RETURN
      END