HP UX Fortran Software Intrinsic procedures

Table 43 Compatibility directives (continued)

Vendor	Directive	Function	Option dependency
KAI	*$*	Enables [disables] code	+Oparallel
	[NO]CONCURRENTIZE	generation for parallel
		execution.
	*$* [NO]VECTORIZE	Enables [disables]	+Ovectorize
		vectorization.
VAST	VD$ [NO]VECTOR	Enables [disables]	+Ovectorize
		vectorization.
	VD$ NODEPCHK	Disables dependency checks.	+Oparallelor +Ovectorize

HP Fortran also recognizes several directive prefixes. A directive prefix is a vendor-specific sequence of characters that follows the comment character and precedes the directive name. The recognized prefixes are listed by vendor in Table 11-3. If HP Fortran reads a directive that begins with one of these prefixes but doesnot recognize the directive name, it issues a warning and ignores the directive. A directive takes effect only if the compiler recognizes both its prefix and name—that is, it must be either one of HP’s own directives or one of those listed in Table 11-2.

Table 44 Directive prefixes recognized by HP Fortran

Prefix	Vendor
$	SGI
$HP$	HP
$PAR	X3H5
*$*	KAI
DIR$	Cray
FPP	Cray
HPF$	High Performance Fortran
VD$	VAST

Intrinsic procedures

In addition to the standard Fortran 90 intrinsics, HP Fortran provides a number of nonstandard intrinsics. Many of these are compatible with nonstandard intrinsics available on other implementations. Table 11-4 lists all HP Fortran nonstandard intrinsics by their generic names. Where a specific intrinsic exists, it can be accessed by referencing its generic name. See the HP Fortran Programmer’s Reference for information about both specific and generic intrinsics.

Table 45 Nonstandard intrinsic procedures in HP Fortran

ABORT	DCOTAND	IARGC		ISNAN	RAND
ACOSD	DFLOAT	IDATE		IXOR	RNUM
ACOSH	DNUM		IDIM	JNUM		RSHFT
AND	DREAL		IGETARG	LOC		RSHIFT
ASIND	EXIT		IJINT	LSHFT		SECNDS
ASINH	FLUSH		IMAG	LSHIFT		SIND
ATAN2D	FNUM		INT1	MALLOC		SIZEOF
ATAND	FREE		INT2	MCLOCK		SRAND

Compatibility extensions 143