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- *DECK ZDIV
- SUBROUTINE ZDIV (AR, AI, BR, BI, CR, CI)
- C***BEGIN PROLOGUE ZDIV
- C***SUBSIDIARY
- C***PURPOSE Subsidiary to ZBESH, ZBESI, ZBESJ, ZBESK, ZBESY, ZAIRY and
- C ZBIRY
- C***LIBRARY SLATEC
- C***TYPE ALL (ZDIV-A)
- C***AUTHOR Amos, D. E., (SNL)
- C***DESCRIPTION
- C
- C DOUBLE PRECISION COMPLEX DIVIDE C=A/B.
- C
- C***SEE ALSO ZAIRY, ZBESH, ZBESI, ZBESJ, ZBESK, ZBESY, ZBIRY
- C***ROUTINES CALLED ZABS
- C***REVISION HISTORY (YYMMDD)
- C 830501 DATE WRITTEN
- C 910415 Prologue converted to Version 4.0 format. (BAB)
- C***END PROLOGUE ZDIV
- DOUBLE PRECISION AR, AI, BR, BI, CR, CI, BM, CA, CB, CC, CD
- DOUBLE PRECISION ZABS
- EXTERNAL ZABS
- C***FIRST EXECUTABLE STATEMENT ZDIV
- BM = 1.0D0/ZABS(BR,BI)
- CC = BR*BM
- CD = BI*BM
- CA = (AR*CC+AI*CD)*BM
- CB = (AI*CC-AR*CD)*BM
- CR = CA
- CI = CB
- RETURN
- END
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