HP Fortran for OpenVMS
Language Reference Manual

E
E edit descriptor
Edit descriptors
character string
control
forms for
data
forms for
rules for numeric
summary of
Editing
general rules for numeric
integer
Elapsed time
function for calculating in seconds
Element array assignment statements (FORALL)
Elemental intrinsic procedures
definition of
references to
ELEMENTAL prefix
in FUNCTION statements
in SUBROUTINE statements
Elemental user-defined procedures
functions as
subroutines as
Elements
See Array elements
ELSE directive
ELSE IF directive
ELSE IF statement
branching to
ELSE statement
branching to
ELSEWHERE statement
EN edit descriptor
ENCODE statement
example of
END branch specifier
END DO statement #1
END DO statement #2
END IF directive
END IF statement
branching to
End-of-file condition
function to check
I/O specifier for
End-of-file records
writing to a file
End-of-record condition
I/O specifier for
End-off shift
on arrays
function performing
END statement
retaining data after execution of
ENDFILE statements
producing an end-of-file condition
Engineering notation
descriptor for (EN)
Entry names
referencing
Entry points
for function subprograms
for subprograms
for subroutine subprograms
ENTRY statement
data types of names in
in function subprograms
in subroutine subprograms
RESULT keyword in
See also HP Fortran for OpenVMS User Manual
using with FUNCTION statement
using with SUBROUTINE statement
Environment variables
See HP Fortran for OpenVMS User Manual
EOF function #1
EOF function #2
EOR branch specifier
EOSHIFT function #1
EOSHIFT function #2
EPSILON function #1
EPSILON function #2
.EQ.
See also HP Fortran for OpenVMS User Manual
See Relational operators
Equivalence
association
logical
set
EQUIVALENCE statement
compared to union declaration
examples of
interaction with COMMON
See also HP Fortran for OpenVMS User Manual
using with arrays
using with substrings
.EQV.
See Logical operators
ERR branch specifier
Error conditions
I/O specifier for
subroutine returning information on
Errors
See HP Fortran for OpenVMS User Manual
ERRSNS subroutine #1
ERRSNS subroutine #2
ES edit descriptor
Escape sequences
C-style
Exclamation point character (!)
as comment indicator #1
as comment indicator #2
Exclusive OR
function performing
Executable constructs
named
Executable statements
disallowed in main programs
Executing
DO loops
programs
See Program execution
EXIST specifier
in INQUIRE statements
EXIT statement #1
EXIT statement #2
EXIT subroutine #1
EXIT subroutine #2
EXP function #1
EXP function #2
Explicit format #1
Explicit format #2
using character expressions
Explicit interfaces
defining
of dummy procedures
when required
Explicit-shape arguments
Explicit-shape arrays
adjustable
automatic
EXPONENT function #1
EXPONENT function #2
Exponential operator (**)
order of precedence of
Exponential values
function returning
Exponents
function returning range of decimal
Expressions
character
determining data type of
element array
initialization
length
effect on character assignments
logical
masked array
numeric
effects of parentheses within
operator precedence in
order of evaluation in
relational
See also Character expressions
See also Logical expressions
See also Numeric expressions
See also Relational expressions
specification
variable format
with arrays as operands
with pointers as operands
Extended intrinsic operators
properties of
Extended ranges
for DO constructs
Extending arrays #1
Extending arrays #2
EXTENDSIZE specifier
effect on INITIALSIZE
in OPEN statements
EXTEND_SOURCE
OPTIONS statement option
Extent
definition of
function returning
EXTERN keyword
for ATTRIBUTES directive
EXTERNAL attribute and statement
attributes compatible with
External field separators #1
External field separators #2
comma as
External fields
separating
External files
connecting to units
definition of
External procedures #1
External procedures #2
compared to internal procedures
declaring
definition of
invoking with CALL
See also Functions
See also Subroutines
using as actual arguments
with the same name as intrinsic procedures
External procedures, directive specifying alternate name for
External records
transferring
direct-access input
direct-access output #1
direct-access output #2
sequential access input #1
sequential access input #2
sequential access output #1
sequential access output #2
EXTERNAL statement
block data program unit in
FORTRAN-66 implementation of
example
names in
using with intrinsic procedures
External subprograms
providing entry points within