| E |
|
Edit descriptors
|
|
See LRM #1
|
|
See LRM #2
|
|
END branch specifier #1
|
|
END branch specifier #2
|
|
END branch specifier #3
|
|
END branch specifier #4
|
|
See also LRM
|
|
END statement
|
|
effect on program execution
|
|
when not to use
|
|
ENDFILE statement #1
|
|
ENDFILE statement #2
|
|
See also LRM
|
|
Endian
|
|
big and little types
|
|
Entry point
|
|
main
|
|
output listing information
|
|
ENTRY statement
|
|
See LRM
|
|
EOR branch specifier #1
|
|
EOR branch specifier #2
|
|
See also LRM
|
|
EQUIVALENCE statement
|
|
and data alignment
|
|
and implied-DO loop collapsing
|
|
causing data spanning natural boundaries
|
|
causing unaligned data #1
|
|
causing unaligned data #2
|
|
preventing implied-DO loop collapsing
|
|
preventing optimizations
|
|
See also LRM; Program section
|
|
Equivalenced structures
|
|
in data-flow and split lifetime analysis
|
|
ERR branch specifier #1
|
|
ERR branch specifier #2
|
|
ERR branch specifier #3
|
|
example
|
|
See also LRM
|
|
Error handling
|
|
arithmetic exception handling #1
|
|
arithmetic exception handling #2
|
|
condition handlers #1
|
|
condition handlers #2
|
|
list of run-time errors (numeric order)
|
|
obtaining secondary status codes
|
|
processing performed by Compaq Fortran RTL
|
|
run-time error explanations
|
|
See also END; EOR; ERR; IOSTAT; Run-time messages
|
|
user controls in I/O statements #1
|
|
user controls in I/O statements #2
|
|
user controls in I/O statements #3
|
|
user controls in I/O statements #4
|
|
END, EOR, ERR, and IOSTAT specifiers #1
|
|
END, EOR, ERR, and IOSTAT specifiers #2
|
|
See also LRM
|
|
Error-related command qualifiers
|
|
FORTRAN, LINK, RUN (DCL)
|
|
summary
|
|
Errors
|
|
compiler
|
|
effect on linker
|
|
/ERROR_LIMIT qualifier
|
|
fatal
|
|
format
|
|
See also Messages
|
|
severity
|
|
source messages
|
|
linker #1
|
|
linker #2
|
|
operating system #1
|
|
operating system #2
|
|
run-time system #1
|
|
run-time system #2
|
|
format
|
|
handling
|
|
requesting precise reporting
|
|
requesting traceback information (FORTRAN)
|
|
requesting traceback information (LINK)
|
|
severity
|
|
symbols
|
|
using debugger to locate
|
|
See also Error handling; Messages; Condition-handler routines
|
|
/ERROR_LIMIT qualifier
|
|
ERRSNS (compatibility)
|
|
example use #1
|
|
example use #2
|
|
obtaining secondary status codes
|
|
Event handling
|
|
See Condition-handler routines
|
|
Exception condition
|
|
common when using indexed files
|
|
definition
|
|
See also Condition-handler routines; Error handling
|
|
Exception handling
|
|
See Arithmetic exception handling
|
|
Exceptional IEEE floating-point values #1
|
|
Exceptional IEEE floating-point values #2
|
|
EXE file type
|
|
/EXECUTABLE option (LINK) #1
|
|
/EXECUTABLE option (LINK) #2
|
|
Executable programs
|
|
creating #1
|
|
creating #2
|
|
effect of optimization level on size
|
|
naming
|
|
running
|
|
See also Program
|
|
Execution
|
|
interrupting execution of program
|
|
example of handling Ctrl/C #1
|
|
example of handling Ctrl/C #2
|
|
EXIT command (DCL)
|
|
EXIT system subroutine
|
|
Expanded String Area (ESA)
|
|
RMS control structure #1
|
|
RMS control structure #2
|
|
Explicit interface
|
|
and array descriptors
|
|
calling non-Fortran subprograms
|
|
passing arrays #1
|
|
passing arrays #2
|
|
passing arrays #3
|
|
passing pointers #1
|
|
passing pointers #2
|
|
passing pointers #3
|
|
procedure interface block
|
|
See also LRM
|
|
types of subprograms
|
|
when calling C subprograms
|
|
Expressions
|
|
parentheses in
|
|
maximum allowed
|
|
See also LRM
|
|
Extended Attributes Block (XAB)
|
|
general description of use
|
|
initialized after open
|
|
kinds of XABs
|
|
listing of
|
|
EXTENDSIZE specifier
|
|
/EXTEND_SOURCE qualifier
|
|
Extensions
|
|
compatibility with Compaq Fortran 77
|
|
See also LRM
|
|
External names
|
|
case-sensitivity
|
|
cDEC$ ALIAS directive #1
|
|
cDEC$ ALIAS directive #2
|
|
controlling with cDEC$ directives #1
|
|
controlling with cDEC$ directives #2
|
|
controlling with cDEC$ directives #3
|
|
in C
|
|
passed between C and Compaq Fortran #1
|
|
passed between C and Compaq Fortran #2
|
|
passed between C and Compaq Fortran #3
|
|
specifying alias names
|
|
External procedures
|
|
name passing rule
|
|
references and optimization
|
|
EXTERNAL statement
|
|
for C language functions
|
|
qualifier controlling compatibility (/NOF77)
|
|
See also LRM
|
|
when to use for FOR$RAB function
|
| F |
|
F file type
|
|
/F77 qualifier
|
|
F90 command
|
|
See FORTRAN command
|
|
F90 file type
|
|
FAB
|
|
See File Access Block (FAB)
|
|
$FABDEF library module
|
|
in FORSYSDEF
|
|
/FAST qualifier
|
|
effect on /ALIGNMENT=COMMONS=keyword #1
|
|
effect on /ALIGNMENT=COMMONS=keyword #2
|
|
Feedback on documentation
|
|
sending comments to Compaq
|
|
Field descriptors
|
|
See LRM
|
|
Fields
|
|
in common blocks
|
|
causes of misalignment
|
|
controlling alignment #1
|
|
controlling alignment #2
|
|
in derived-type data and record structures
|
|
causes of misalignment
|
|
controlling alignment #1
|
|
controlling alignment #2
|
|
controlling alignment #3
|
|
File Access Block (FAB)
|
|
fields for use by USEROPEN
|
|
general description
|
|
symbol naming conventions
|
|
File access, remote
|
|
File format
|
|
See also Record type; File organization; Formatted data; Unformatted files
|
|
File handling #1
|
|
File handling #2
|
|
examples of
|
|
File header characteristics
|
|
control block for
|
|
XABFHC (RMS)
|
|
File name
|
|
application of defaults
|
|
compiler defaults
|
|
I/O statements default use
|
|
in I/O statements
|
|
OPEN statement specifiers #1
|
|
OPEN statement specifiers #2
|
|
See also File specifications
|
|
using logical names to specify
|
|
File organization
|
|
available record types
|
|
available storage media
|
|
default
|
|
I/O statement limitations
|
|
I/O statements for
|
|
obtaining
|
|
INQUIRE statement
|
|
overview
|
|
See also Sequential files; Relative files
|
|
stored in file header
|
|
File sharing
|
|
accessing remote files
|
|
OPEN statement, SHARED specifier
|
|
RMS file-sharing capability
|
|
example
|
|
shareable image libraries
|
|
File specifications
|
|
defining logical names for
|
|
general DCL rules (FORTRAN command)
|
|
OPEN statement specifiers
|
|
use in INQUIRE statement
|
|
use in OPEN statements #1
|
|
use in OPEN statements #2
|
|
use in OPEN statements #3
|
|
FILE specifier #1
|
|
FILE specifier #2
|
|
example
|
|
See also LRM
|
|
File type
|
|
EXE
|
|
executable program
|
|
F
|
|
F90
|
|
F90$MOD
|
|
FOR
|
|
for listing files
|
|
for module files
|
|
for object files
|
|
LIS
|
|
OBJ #1
|
|
OBJ #2
|
|
OLB
|
|
OPT
|
|
recognized by compiler
|
|
STB
|
|
TLB
|
|
Files
|
|
assigning to logical units
|
|
default names #1
|
|
default names #2
|
|
preconnected #1
|
|
preconnected #2
|
|
summary of methods
|
|
using logical name #1
|
|
using logical name #2
|
|
using logical name #3
|
|
using OPEN statement #1
|
|
using OPEN statement #2
|
|
closing
|
|
using RMS
|
|
compiler source checking only (no object file) (FORTRAN)
|
|
compiler source listing (FORTRAN)
|
|
compiling multiple input files (FORTRAN)
|
|
controlling include file searching
|
|
created by FORTRAN command
|
|
created by LINK command #1
|
|
created by LINK command #2
|
|
external, definition
|
|
input to FORTRAN command
|
|
input to LINK command
|
|
inquiry
|
|
internal
|
|
naming object file (FORTRAN)
|
|
opening #1
|
|
opening #2
|
|
using RMS
|
|
organization and characteristics
|
|
preconnected
|
|
Compaq Fortran 77 differences
|
|
relative organization
|
|
RMS journaling
|
|
RMS services
|
|
list of
|
|
scratch
|
|
sequential organization
|
|
specifying file specification
|
|
example program
|
|
%FILL
|
|
example use
|
|
FIND statement
|
|
See also LRM
|
|
Fixed-length records
|
|
data transferred by I/O statements
|
|
use for optimal performance
|
|
FLOAT function
|
|
example use
|
|
FLOAT intrinsic function
|
|
qualifier controlling size returned
|
|
See also LRM
|
|
/FLOAT qualifier
|
|
D_FLOAT keyword
|
|
G_FLOAT keyword
|
|
IEEE_FLOAT keyword
|
|
Floating-point data types
|
|
accuracy-sensitive optimization
|
|
Alpha IEEE X_float
|
|
arithmetic exception handling #1
|
|
arithmetic exception handling #2
|
|
array out-of-bounds checking
|
|
comparison of VAX and Alpha types
|
|
constants
|
|
request double precision
|
|
controlling size of
|
|
COMPLEX declarations
|
|
DOUBLE PRECISION declarations
|
|
REAL declarations
|
|
controlling type in unformatted files
|
|
conversion
|
|
limitations
|
|
converting H_float data
|
|
CRAY big endian formats
|
|
CVT$CONVERT_FLOAT RTL routine
|
|
declarations and qualifiers
|
|
declaring
|
|
See also LRM
|
|
denormal values
|
|
differences between Compaq Fortran 77 for OpenVMS VAX Systems and Compaq Fortran
|
|
digits of precision
|
|
D_float
|
|
differences between VAX and Alpha systems
|
|
endian (big and little)
|
|
endian order of native formats
|
|
exceptional values #1
|
|
exceptional values #2
|
|
formats used in memory
|
|
handling of certain exponentiation expressions
|
|
handling of minus zero (IEEE)
|
|
handling of single-precision constants
|
|
IBM big endian formats
|
|
IEEE
|
|
Alpha X_float #1
|
|
Alpha X_float #2
|
|
big endian formats (conversion)
|
|
controlling exceptions (/IEEE_MODE)
|
|
denormalized values
|
|
native little endian formats
|
|
reporting exceptional values
|
|
rounding modes
|
|
selecting memory format (/FLOAT)
|
|
S_float #1
|
|
S_float #2
|
|
T_float #1
|
|
T_float #2
|
|
in memory and on disk
|
|
infinity
|
|
math library used #1
|
|
math library used #2
|
|
methods of specifying nonnative formats
|
|
minus zero use (IEEE)
|
|
NaN values
|
|
detecting
|
|
nonnative formats
|
|
normal and denormalized values of native formats
|
|
precision
|
|
qualifiers controlling size of DOUBLE PRECISION declarations
|
|
qualifiers related to accuracy #1
|
|
qualifiers related to accuracy #2
|
|
qualifiers related to accuracy #3
|
|
qualifiers related to accuracy #4
|
|
qualifiers related to accuracy #5
|
|
qualifiers related to accuracy #6
|
|
qualifiers related to accuracy #7
|
|
qualifiers related to accuracy #8
|
|
qualifiers related to exceptions
|
|
ranges #1
|
|
ranges #2
|
|
ranges #3
|
|
reporting exceptional values
|
|
reporting exceptions more precisely
|
|
reporting underflow messages #1
|
|
reporting underflow messages #2
|
|
representation of native IEEE and VAX formats
|
|
representation of VAX H_float format
|
|
representation of zero
|
|
rounding modes (IEEE)
|
|
selecting memory format
|
|
selecting optimal
|
|
setting default length (/DOUBLE_SIZE)
|
|
setting default length (/REAL_SIZE)
|
|
shared memory granularity
|
|
underflow run-time checking
|
|
values for constants
|
|
VAX D_float format #1
|
|
VAX D_float format #2
|
|
VAX D_float format #3
|
|
VAX D_float format #4
|
|
VAX F_float format #1
|
|
VAX F_float format #2
|
|
VAX F_float format #3
|
|
VAX F_float format #4
|
|
VAX little endian formats
|
|
zero values
|
|
Flushing data
|
|
output record buffering
|
|
FMT specifier
|
|
See also LRM
|
|
FOR$
|
|
prefix for condition symbols
|
|
for run-time errors
|
|
FOR$CONVERTnnn logical name
|
|
use with nonnative numeric data
|
|
FOR file type
|
|
FOR$IOS
|
|
prefix for condition symbols
|
|
for run-time errors #1
|
|
for run-time errors #2
|
|
FOR$RAB function #1
|
|
FOR$RAB function #2
|
|
Compaq Fortran 77 for OpenVMS VAX Systems compatibility
|
|
when to declare EXTERNAL
|
|
FORALL statement
|
|
array optimizations
|
|
See also LRM
|
|
$FORDEF library module
|
|
in FORSYSDEF #1
|
|
in FORSYSDEF #2
|
|
$FORIOSDEF library module
|
|
in FORSYSDEF #1
|
|
in FORSYSDEF #2
|
|
FORM specifier #1
|
|
FORM specifier #2
|
|
FORM specifier #3
|
|
See also LRM
|
|
Format descriptors
|
|
See LRM
|
|
Format groups
|
|
nesting limits
|
|
FORMAT statement
|
|
and implied-DO loop collapsing
|
|
See also LRM
|
|
Formatted data
|
|
and DO loop collapsing
|
|
and variable format expressions
|
|
Compaq Fortran 77 differences
|
|
effect on run-time performance
|
|
I/O statements for
|
|
Formatted I/O statements
|
|
Compaq Fortran 77 differences
|
|
controlling format mismatch handling
|
|
controlling format truncation handling
|
|
See also LRM
|
|
FORnnn logical name #1
|
|
FORnnn logical name #2
|
|
FORSYSDEF
|
|
$CHFDEF library module #1
|
|
$CHFDEF library module #2
|
|
condition symbol values
|
|
example of including a module
|
|
$FABDEF library module
|
|
$FORDEF library module #1
|
|
$FORDEF library module #2
|
|
$FORIOSDEF library module #1
|
|
$FORIOSDEF library module #2
|
|
$LIBDEF library module
|
|
library search order #1
|
|
library search order #2
|
|
list of library modules
|
|
$MTHDEF library module
|
|
$NAMDEF library module
|
|
overview of library module contents
|
|
$RABDEF library module
|
|
$SSDEF library module
|
|
symbol naming conventions
|
|
PARAMETER declarations
|
|
use with RMS services #1
|
|
use with RMS services #2
|
|
FORT$LIBRARY
|
|
Fortran
|
|
Compaq Fortran implementation of
|
|
PSECT use and attributes
|
|
FORTRAN-66
|
|
See FORTRAN IV
|
|
Fortran 90
|
|
Standard
|
|
and RECL units for unformatted files
|
|
checking (/STANDARD)
|
|
Fortran 90/95
|
|
condition symbols
|
|
See FORSYSDEF
|
|
logical names
|
|
See Logical names
|
|
reusing source file code
|
|
See also FORTRAN command; Compatibility; LRM
|
|
source file contents
|
|
source form
|
|
file type
|
|
Standard
|
|
/ASSUME=DUMMY_ALIASES qualifier #1
|
|
/ASSUME=DUMMY_ALIASES qualifier #2
|
|
See also LRM
|
|
statements
|
|
See LRM; appropriate statement name
|
|
Fortran 95
|
|
Standard
|
|
and RECL units for unformatted files
|
|
checking (/STANDARD)
|
|
FORTRAN command
|
|
abbreviating qualifier names and keywords
|
|
alignment qualifiers #1
|
|
alignment qualifiers #2
|
|
and other software components
|
|
C language main program
|
|
example
|
|
comma or plus signs between file names
|
|
command qualifiers for efficient run-time performance
|
|
consistent use of qualifiers for multiple compilations
|
|
controlling arithmetic exception handling
|
|
controlling arithmetic exception reporting #1
|
|
controlling arithmetic exception reporting #2
|
|
creating module files
|
|
CXML library for efficient run-time performance
|
|
debugging qualifiers
|
|
directories searched for module and include files #1
|
|
directories searched for module and include files #2
|
|
directories searched for text library files
|
|
effect of compiler directives on qualifiers #1
|
|
effect of compiler directives on qualifiers #2
|
|
effect of file type on source form
|
|
effect of OPTIONS statement on qualifiers
|
|
examples
|
|
application with modules
|
|
compiling multiple files
|
|
for debugging
|
|
module subprogram
|
|
multiple source files #1
|
|
multiple source files #2
|
|
naming object files
|
|
preventing object file creation
|
|
request listing file
|
|
requesting additional checking
|
|
requesting additional optimizations
|
|
requesting Fortran Standard conformance checking
|
|
single file
|
|
source checking only
|
|
using module files #1
|
|
using module files #2
|
|
file type search order
|
|
for efficient run-time performance
|
|
for translated shared images
|
|
format of
|
|
functional groups of qualifiers
|
|
multiple source files
|
|
effect on optimizations
|
|
one or multiple object files per command line #1
|
|
one or multiple object files per command line #2
|
|
See also Compiler options
|
|
specifying
|
|
directory for module files
|
|
files
|
|
include files
|
|
input files
|
|
library files #1
|
|
library files #2
|
|
library files #3
|
|
library files #4
|
|
listing
|
|
listing of include file #1
|
|
listing of include file #2
|
|
listing of include file #3
|
|
multiple keywords for a qualifier
|
|
object files
|
|
output files
|
|
source form
|
|
summary of qualifiers
|
|
using
|
|
include files
|
|
module files #1
|
|
module files #2
|
|
multiple FORTRAN commands
|
|
FORTRAN IV
|
|
/F77 qualifier (FORTRAN)
|
|
/FULL qualifier (LINK) #1
|
|
/FULL qualifier (LINK) #2
|
|
FUNCTION statement
|
|
See also LRM
|
|
Functions
|
|
C language
|
|
invoking
|
|
declaration statements
|
|
%DESCR, %LOC, %REF, and %VAL
|
|
example
|
|
C language #1
|
|
C language #2
|
|
C language #3
|
|
declaration
|
|
interface block in module
|
|
with module
|
|
with system service
|
|
explicit interface
|
|
output listing information
|
|
return values #1
|
|
return values #2
|
|
changing default passing mechanisms
|
|
passing rules #1
|
|
passing rules #2
|
|
passing with Compaq Fortran
|
|
with C
|
|
with Compaq Fortran 77
|
|
See also LRM; Intrinsic procedures
|
|
setting return values
|
|
using function reference to call system services
|
|
F_float data
|
|
See Floating-point data types
|