Open Watcom FORTRAN 77 Language Reference

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Language Reference 2
1 FORTRAN Source Program Format 1.1 Character Set The FORTRAN character set consists of twenty-six letters, ten digits, and thirteen special characters. The letters are: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z The digits are: 0 1 2 3 4 5 6 7 8 9 The special characters are: Character Name of Character Blank = Equals + Plus - Minus * Asterisk / Slash ( Left Parenthesis ) Right Parenthesis , Comma . Decimal Point $ Currency Symbol ’ Apostrophe : Colon The FORTRAN character set is a subset of the character set of the computing system which you are using. We shall refer to the larger character set as the processor character set. 1.2 Extended Character Set Open Watcom FORTRAN 77 also includes the following special characters. Character Name of Character ! Exclamation Mark % Percentage Symbol \ Back slash Extended Character Set 3
Page 1 and 2: Open Watcom FORTRAN 77 Language Ref
Page 3: Preface Open Watcom FORTRAN 77 is a
Page 6 and 7: Table of Contents 2.25 ELSE IF Stat
Page 8 and 9: Table of Contents 3.4.10 Hexadecima
Page 10 and 11: Table of Contents 11.7 Editing ....
Page 12 and 13: Table of Contents 12.6.1 ENTRY Stat
Page 16 and 17: Language Reference 1.3 Source Progr
Page 18 and 19: Language Reference Example: * From
Page 20 and 21: Language Reference 8 Order of FORTR
Page 22 and 23: Language Reference Statement 1 2 3
Page 24 and 25: Language Reference 2.3 ADMIT Statem
Page 26 and 27: Language Reference If there is a LO
Page 28 and 29: Language Reference 2.5 Statement La
Page 30 and 31: Language Reference 2.6 AT END State
Page 32 and 33: Language Reference The FORTRAN 77 s
Page 34 and 35: Language Reference 6. A named block
Page 36 and 37: Language Reference It is important
Page 38 and 39: Language Reference 2.11 CHARACTER S
Page 40 and 41: Language Reference If a symbolic na
Page 42 and 43: Language Reference Example: LOOP RE
Page 44 and 45: Language Reference Example: REAL A,
Page 46 and 47: Language Reference a (d) len is an
Page 48 and 49: Language Reference 2.15 CONTINUE St
Page 50 and 51: Language Reference 2.17 DATA Statem
Page 52 and 53: Language Reference 2. As an extensi
Page 54 and 55: Language Reference 2.18 DEALLOCATE
Page 56 and 57: Language Reference 2.19 DIMENSION S
Page 58 and 59: Language Reference Transfer of cont
Page 60 and 61: Language Reference Example: * Illeg
Page 62 and 63: Language Reference c r is a constan
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Language Reference c r is a constan
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Language Reference 2.24 ELSE Statem
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Language Reference 2.26 END Stateme
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Language Reference 2.28 END BLOCK S
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Language Reference 2.30 ENDFILE Sta
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Language Reference 2.31 END GUESS S
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Language Reference 2.33 END LOOP St
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Language Reference 2.35 END SELECT
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Language Reference 2.37 END UNION S
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Language Reference 2.39 ENTRY State
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Language Reference The following ex
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Language Reference 2.42 EXIT Statem
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Language Reference 2.44 FORMAT Stat
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Language Reference 2.45.2 Extended
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Language Reference 2.47 Computed GO
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Language Reference * Illegal use of
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Language Reference 2.50 Arithmetic
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Language Reference An example of an
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Language Reference IF( I .EQ. 10 )T
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Language Reference 2.53.3 IMPLICIT
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Language Reference 2.54 INCLUDE Sta
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Language Reference Example: LOGICAL
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Language Reference It is assigned t
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Language Reference 3. This specifie
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Language Reference a (d) len is an
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Language Reference 2.57 INTRINSIC S
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Language Reference 2.59 LOOP Statem
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Language Reference 2.61 NAMELIST St
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Language Reference Example: &PERSON
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Language Reference FILE = fin fin i
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Language Reference Notes: 1. If the
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Language Reference 2.64 PARAMETER S
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Language Reference 2.66 PRINT State
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Language Reference Example: PRINT 1
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Language Reference 2.68 QUIT Statem
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Language Reference 2. An internal f
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Language Reference Example: READ( 8
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Language Reference 2.71 RECORD Stat
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Language Reference 2.73 RETURN Stat
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Language Reference Notes: 1. The un
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Language Reference PROGRAM MAIN . .
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Language Reference Example: SELECT
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Language Reference 2.78 STRUCTURE S
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Language Reference 2.80 UNION State
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Language Reference 2.82 VOLATILE St
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Language Reference 2.84 WHILE State
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Language Reference REC = rn IOSTAT
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Language Reference 150
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Language Reference Example: DO10I=1
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Language Reference 123.764 .4352344
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Language Reference Actually, holler
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Language Reference 158 Symbolic Con
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Language Reference [lo:] hi where:
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Language Reference 4.4 Classifying
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Language Reference 4.5 Classifying
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Language Reference Example: CHARACT
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Language Reference STRUCTURE /PERSO
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Language Reference SUBROUTINE PRINT
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Language Reference 172 Unions
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Language Reference Operator Arithme
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Language Reference 7.1.3 Arithmetic
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Language Reference 7.2 Character Ex
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Language Reference where: relop is
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Language Reference Note that the op
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Language Reference 1. logical term
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Language Reference 186 Constant Exp
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Language Reference 8.3 Logical Assi
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Language Reference 8.6 Extended Ass
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Language Reference 192 Extended Ass
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Language Reference Examples follow
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Language Reference 9.4 DO - END DO
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Language Reference The next example
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Language Reference where: stmt is a
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Language Reference Example: * Illeg
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Language Reference - the string -10
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Language Reference 9.12 GUESS-ADMIT
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Language Reference 9.13 QUIT QUIT [
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Language Reference Example: LOOP RE
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Language Reference READ statement t
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Language Reference 214 Notes on Str
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Language Reference 10.3 Records FOR
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Language Reference accessed directl
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Language Reference Example: WRITE(1
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Language Reference 5. Any character
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Language Reference 224 Printing of
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Language Reference Example: REAL X
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Language Reference 11.6 Nonrepeatab
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Language Reference Example: PRINT
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Language Reference Example: INTEGER
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Language Reference 11.7.10.4 E and
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Language Reference n Example: is 4
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Language Reference and is read into
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Language Reference 3. An input item
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Language Reference 1. Blanks are ne
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Language Reference e is an expressi
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Language Reference Example: * Illeg
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Language Reference 12.3.2 Type Conv
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Language Reference 12.3.7 Type Conv
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Language Reference 12.3.13 Remainde
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Language Reference 12.3.18 Choosing
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Language Reference 12.3.24 Square R
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Language Reference 12.3.28 Sine Def
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Language Reference 12.3.33 Arccosin
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Language Reference 12.3.38 Gamma Fu
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Language Reference 12.3.45 Lexicall
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Language Reference Definition: Name
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Language Reference 12.3.53 Binary P
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Language Reference 12.3.58 Allocate
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Language Reference Example: INTEGER
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Language Reference 2. An array name
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Language Reference 5. A name that a
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Language Reference 12.8.1 Dummy Arg
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Language Reference Example: DIMENSI
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Language Reference 282 Subprogram A
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Appendices 284
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Appendices 10. The DOUBLE COMPLEX s
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Appendices 36. Non-character arrays
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Index AMAX1 253 AMIN0 254 $ AMIN1 2
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Index DATAN 260 dummy procedure 280
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Index AINT 250 ANINT 251 ASIN 259 H
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Index DREAL 249 IAND 264 DSIGN 252
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Index RETURN 32, 46, 56, 121, 132,
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Open Watcom FORTRAN 77 Language Reference

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