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O edit descriptor
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OBJCOMMENT directive
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Object
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See Data objects
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Object file
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directive specifying library search path for
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See also HP Fortran for OpenVMS User Manual
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See Object module
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Object libraries
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searching for block data program units in
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Object module
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identifying with compiler directives
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Obsolescent features
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in Fortran 90
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in Fortran 95
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Octal constants
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alternative syntax for
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assigning with DATA statement
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data type assignments of
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examples of
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Octal values
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transferring
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OLD value
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for OPEN (STATUS)
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ONLY keyword
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in USE statement
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OPEN statements
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ACCESS specifier in
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ACTION specifier in
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ASSOCIATEVARIABLE specifier in
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BLANK specifier in
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BLOCKSIZE specifier in
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BUFFERCOUNT specifier in
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BUFFERED specifier in
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CARRIAGECONTROL specifier in
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CONVERT specifier in
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DEFAULTFILE specifier in
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defaults for specifiers
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DELIM specifier in
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DISPOSE specifier in
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EXTENDSIZE specifier in
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FILE specifier in #1
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FILE specifier in #2
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FORM specifier in
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general description of
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KEY specifier in
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MAXREC specifier in
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NAME specifier in
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NOSPANBLOCKS specifier in
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ORGANIZATION specifier in
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PAD specifier in
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POSITION specifier in
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READONLY specifier in
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RECL specifier in
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RECORDSIZE specifier in
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RECORDTYPE specifier in
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SHARED specifier in
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STATUS specifier in
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TYPE specifier in
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USEROPEN specifier in
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OPENED specifier
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in INQUIRE statements
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Operands #1
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Operands #2
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and binary operators
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and unary operators
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operating on pair of operands
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operating on single operand
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Operations
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character
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complex
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conversion to higher precision
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defined #1
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defined #2
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integer
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conventions for determining
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numeric
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real
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conventions for determining
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relational
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OPERATOR interface specifier
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for functions #1
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for functions #2
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for functions #3
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Operators #1
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Operators #2
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character
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defined
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extended intrinsic
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properties of
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logical
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numeric
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operating on pair of operands
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operating on single operand
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precedence in
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logical expressions
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numeric expressions
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relational expressions
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scope of
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Optimization
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preventing with VOLATILE statement
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See also HP Fortran for OpenVMS User Manual
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Optional arguments
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function returning presence of
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OPTIONAL attribute and statement #1
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OPTIONAL attribute and statement #2
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attributes compatible with
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OPTIONS directive
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OPTIONS statements
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position in program unit
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.OR.
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See Logical operators
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OR function
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Order of
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elements in an array
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statements
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subscript progression
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ORGANIZATION specifier
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in INQUIRE statements
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in OPEN statements
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Output statements
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PRINT and TYPE
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REWRITE
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WRITE
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| P |
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P edit descriptor
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PACK directive
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PACK function #1
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PACK function #2
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Packed array
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function to create
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PAD specifier
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in INQUIRE statements
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in OPEN statements
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PARAMETER attribute and statement
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attributes compatible with
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PARAMETER statement
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alternate form of
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examples
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using in record structure declarations
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Parentheses
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effect in
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character expressions
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logical expression
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numeric expressions
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using to force an argument to be an expression
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Partial storage association
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Passed-length character arguments
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See Assumed-length character arguments
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PAUSE statement
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alternative for
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default message and prompt
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effect on batch process
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effect on interactive process
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examples of
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PDP-11 FORTRAN 77
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source program compatibility
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Performance
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See HP Fortran for OpenVMS User Manual
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Plus operator (+)
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order of precedence of
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Pointer arguments
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requiring explicit interface
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Pointer assignment statements
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examples of
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Pointer association
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Pointer association function
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POINTER attribute and statement
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attributes compatible with
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POINTER statement
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different form of
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Pointer targets
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dynamically allocating and deallocating
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See also Targets
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Pointers
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allocation of targets #1
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allocation of targets #2
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array
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as arguments
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as automatic or static variables
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as variables
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assigning values to targets of
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assignment of
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associating with targets
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association of #1
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association of #2
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association status of
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association with targets
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CRAY-style
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See Integer pointers
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deallocation of targets #1
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deallocation of targets #2
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disassociating from targets #1
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disassociating from targets #2
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Fortran 95/90
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function returning association status of
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function returning disassociated
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HP Fortran
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initializing
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integer
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nullifying #1
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nullifying #2
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referencing
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volatile
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POPCNT function #1
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POPCNT function #2
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POPPAR function #1
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POPPAR function #2
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Portability
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features for older Fortran programs
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POSITION specifier
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in INQUIRE statements
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in OPEN statements
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Positional editing (T,TL,TR,X)
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T
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TL
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TR
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X
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Precedence of operators
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effect of parentheses on
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in logical expressions #1
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in logical expressions #2
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in numeric expressions
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in relational expressions
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Precision
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function querying
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PRECISION function #1
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PRECISION function #2
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Predefined typing rules
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for variables
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Preprocessors
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See HP Fortran for OpenVMS User Manual
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PRESENT function #1
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PRESENT function #2
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PRESENT function #3
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example of use
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Pretested DO statement
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Primary
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in initialization expressions
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in specification expressions
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PRINT/DELETE value
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for CLOSE statements
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for OPEN (DISPOSE)
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PRINT statements
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PRINT value
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for CLOSE statements
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for OPEN (DISPOSE)
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Printable characters
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PRIVATE attribute and statement #1
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PRIVATE attribute and statement #2
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attributes compatible with
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PRIVATE statement
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Procedure arguments
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defaults for %VAL, %REF, and %DESCR functions
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See also Arguments
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Procedure interface
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blocks
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defining generic assignment
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defining generic names
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defining generic operators
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definition of
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modules containing
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See also HP Fortran for OpenVMS User Manual
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when explicit is required
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Procedure references
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requiring procedures with explicit interface
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resolving
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resolving established
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generic
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specific
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resolving nonestablished
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unambiguous
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Procedures
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arguments in
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declaring external
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declaring intrinsic
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defining generic assignment for
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defining generic names for
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defining generic operators for
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dummy
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See Dummy procedures
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elemental user-defined
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established as generic
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established as specific
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external
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external and dummy
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using as actual arguments
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interfaces in
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internal
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intrinsic
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using as actual arguments
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kinds of
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module #1
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module #2
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non-Fortran
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argument list functions for
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%LOC function for
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nonestablished
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pure
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recursive
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references to non-Fortran
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requiring explicit interface
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See also Functions
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See also Subroutines
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Procedures, directive specifying properties of
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Processes
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background
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See Background process
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batch
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See Batch process
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foreground
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See Foreground process
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interactive
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See Interactive process
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Processor
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function returning identifying number of
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Processor time
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subroutine returning
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Processors
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function returning number of
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function returning shape of
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PROCESSORS_SHAPE function #1
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PROCESSORS_SHAPE function #2
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PRODUCT function #1
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PRODUCT function #2
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Product of array elements
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function returning
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Program execution
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stopping
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subroutine terminating
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temporary suspension of
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PROGRAM statement
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Program structure
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overview of
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Program unit
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block data #1
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block data #2
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effect of using DATA statement in
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common blocks in
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definition of
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effect of EQUIVALENCE statement on
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external subprograms #1
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external subprograms #2
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kinds of
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main
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modules
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order of statements in
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scoping
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See Scoping units
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terminating
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Prompting
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for namelist group information
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PSECT directive
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Pseudorandom number generator
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routines #1
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routines #2
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routines #3
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Pseudorandom numbers
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function returning next in sequence of
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subroutine computing single-precision
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subroutine returning
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subroutine to change or query generator of
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PUBLIC attribute and statement #1
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PUBLIC attribute and statement #2
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attributes compatible with
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PURE prefix
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in FUNCTION statements
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in SUBROUTINE statements
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Pure procedures
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functions as
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in FORALLs
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in interface blocks
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subroutines as
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