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24 lines
655 B
Fortran
24 lines
655 B
Fortran
*DECK PPSGF
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FUNCTION PPSGF (X, IZ, C, A, BH)
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C***BEGIN PROLOGUE PPSGF
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C***SUBSIDIARY
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C***PURPOSE Subsidiary to BLKTRI
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C***LIBRARY SLATEC
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C***TYPE SINGLE PRECISION (PPSGF-S)
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C***AUTHOR (UNKNOWN)
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C***SEE ALSO BLKTRI
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C***ROUTINES CALLED (NONE)
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C***REVISION HISTORY (YYMMDD)
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C 801001 DATE WRITTEN
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C 891214 Prologue converted to Version 4.0 format. (BAB)
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C 900402 Added TYPE section. (WRB)
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C***END PROLOGUE PPSGF
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DIMENSION A(*) ,C(*) ,BH(*)
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C***FIRST EXECUTABLE STATEMENT PPSGF
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SUM = 0.
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DO 101 J=1,IZ
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SUM = SUM-1./(X-BH(J))**2
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101 CONTINUE
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PPSGF = SUM
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RETURN
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END
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