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42 lines
1.4 KiB
42 lines
1.4 KiB
C Copyright(C) 1999-2020 National Technology & Engineering Solutions
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C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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C NTESS, the U.S. Government retains certain rights in this software.
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C
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C See packages/seacas/LICENSE for details
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C=======================================================================
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LOGICAL FUNCTION MATSTR (INSTR, MATCH, NLET)
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C=======================================================================
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C --*** MATSTR *** (STRLIB) Check if string matches
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C -- Written by Amy Gilkey - revised 07/01/87
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C --
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C --MATSTR true iff the input string is equal to the match string.
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C --Only NLET letters must be in the input string to match, but if more
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C --letters are given, they must match the match string exactly.
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C --
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C --Parameters:
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C -- INSTR - IN - the input string
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C -- MATCH - IN - the match string
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C -- NLET - IN - number of letters that must match; 0 for exact match
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CHARACTER*(*) INSTR
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CHARACTER*(*) MATCH
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INTEGER NLET
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IF (NLET .LE. 0) THEN
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MATSTR = INSTR .EQ. MATCH
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ELSE
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LMATCH = LENSTR (MATCH)
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LMIN = MIN (LMATCH, NLET)
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LINSTR = LENSTR (INSTR)
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IF ((LINSTR .LE. LMATCH) .AND. (LINSTR .GE. LMIN)) THEN
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IF (LMIN .LT. LINSTR) LMIN = LINSTR
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MATSTR = INSTR(:LMIN) .EQ. MATCH(:LMIN)
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ELSE
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MATSTR = .FALSE.
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END IF
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END IF
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RETURN
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END
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