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ASSEMBLY & COMPILE TOOLS/PLM VAX COMPILER/plmvax/strings.for
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ASSEMBLY & COMPILE TOOLS/PLM VAX COMPILER/plmvax/strings.for
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C***********************************************************************
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C
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C STRINGS.FOR
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C
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C
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C D I S C L A I M E R N O T I C E
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C ------------------- -----------
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C
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C This document and/or portions of the material and data furnished
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C herewith, was developed under sponsorship of the U. S. Government.
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C Neither the U.S. nor the U.S.D.O.E., nor the Leland Stanford Junior
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C University, nor their employees, nor their respective contractors,
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C subcontractors, or their employees, makes any warranty, express or
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C implied, or assumes any liability or responsibility for accuracy,
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C completeness or usefulness of any information, apparatus, product
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C or process disclosed, or represents that its use will not infringe
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C privately-owned rights. Mention of any product, its manufacturer,
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C or suppliers shall not, nor is it intended to, imply approval, dis-
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C approval, or fitness for any particular use. The U. S. and the
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C University at all times retain the right to use and disseminate same
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C for any purpose whatsoever. Such distribution shall be made by the
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C National Energy Software Center at the Argonne National Laboratory
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C and only subject to the distributee furnishing satisfactory proof
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C that he has a valid license from the Intel Corporation in effect.
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C
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C
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C-----------------------------------------------------------------------
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C
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C This module of the PL/M-VAX compiler contains several character
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C string utility functions.
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C
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C-----------------------------------------------------------------------
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C R E V I S I O N H I S T O R Y
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C
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C 18OCT81 Alex Hunter 1. Added disclaimer notice. (V5.4)
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C 2. Re-coded LNB.
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C
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C-----------------------------------------------------------------------
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INTEGER*4 FUNCTION LNB(STRING)
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C-----------------------------------------------------------------------
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C
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C Function to locate the last non-blank character of a character
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C string.
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C
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C Return with LNB = index of last non-blank character in STRING
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C (or LNB = 1 if STRING contains only blanks).
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C
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C-----------------------------------------------------------------------
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IMPLICIT INTEGER*4 (A-Z)
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CHARACTER*(*) STRING
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LNB = LEN(STRING)
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DO WHILE (LNB.GT.1 .AND. STRING(LNB:LNB).EQ.' ')
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LNB = LNB - 1
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ENDDO
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RETURN
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END
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C-----------------------------------------------------------------------
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C
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C Function to convert a signed integer*4 value into an ASCII
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C character*10 string representation.
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C
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C The character string will be right-justified with leading blanks.
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C The index of the first significant (i.e., non-blank) character
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C in the string will be returned in IFSD.
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C
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C-----------------------------------------------------------------------
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CHARACTER*10 FUNCTION STRING10 (N, IFSD)
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IMPLICIT INTEGER*4 (A-Z)
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IF (N.EQ.'80000000'X) THEN
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STRING10 = '2147483648'
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IFSD = 1
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RETURN
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ENDIF
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STRING10 = ' '
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M = ABS(N)
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I = 11
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100 I = I - 1
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STRING10(I:I) = CHAR(ICHAR('0')+MOD(M,10))
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M = M/10
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IF (M.NE.0) GO TO 100
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IF (N.LT.0) THEN
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I = I - 1
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STRING10(I:I) = '-'
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ENDIF
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IFSD = I
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RETURN
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END
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C-----------------------------------------------------------------------
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C
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C Function to convert a REAL*4 value into an ASCII character*14
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C string representation.
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C
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C The index of the first significant character in the string will be
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C returned in IFSD, and the index of the last significant character
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C will be returned in ILSD.
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C
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C-----------------------------------------------------------------------
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CHARACTER*14 FUNCTION STRINGG(RVAL,IFSD,ILSD)
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INTEGER*4 IFSD, ILSD
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REAL*4 RVAL
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ENCODE(14,1000,STRINGG) RVAL
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1000 FORMAT(G14.7)
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IF (STRINGG.EQ.' 0.0000000E+00') THEN
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IFSD=2
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ILSD=4
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RETURN
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ENDIF
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DO 10 IFSD=1,13
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IF (STRINGG(IFSD:IFSD).NE.' ') GO TO 20
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10 CONTINUE
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20 IF (STRINGG(11:11).EQ.'E') THEN
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ILSD=14
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RETURN
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ENDIF
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DO 30 ILSD=14,2,-1
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IF (STRINGG(ILSD:ILSD).NE.' '.AND.STRINGG(ILSD:ILSD).NE.'0')
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# GO TO 40
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30 CONTINUE
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40 IF (STRINGG(ILSD:ILSD+1).EQ.'.0') ILSD=ILSD+1
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RETURN
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END
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C-----------------------------------------------------------------------
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C
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C Function to convert a UDI-style byte string into a FORTRAN character
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C string.
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C
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C The byte string in STRING is copied into the character string CHARS
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C and the length of the string is returned as the value of the
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C function.
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C
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C-----------------------------------------------------------------------
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INTEGER*4 FUNCTION MAKE_CHARS(CHARS,STRING)
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CHARACTER*(*) CHARS
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BYTE STRING(0:0)
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IF (STRING(0).GT.0) THEN
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DO 10 I=1,STRING(0)
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CHARS(I:I)=CHAR(STRING(I))
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10 CONTINUE
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MAKE_CHARS=STRING(0)
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ELSE
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CHARS=' '
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MAKE_CHARS=1
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ENDIF
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RETURN
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END
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