HP UX Fortran Software manual Glossary

Glossary

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archive library	A library of routines that can be linked to an executable program at
	link-time. The names of archive libraries have the .a extension.
	See also shared library.
aliasing	Referencing a variable by more than one name. Examples of aliasing
	include:
	• Passing the same variable as two or more actual arguments.
	• Using the EQUIVALENCE statement.
	• Referencing an element of an array declared in common with an
	out-of-bounds subscript.
	• Passing a common variable as an actual argument.
	In general, aliasing inhibits optimization.
alignment	The positioning of data within memory. Except for objects larger than 8
	bytes, HP Fortran 90 aligns data on a byte boundary that is a multiple of
	its size. Objects larger than 8 bytes are aligned on 8-byte boundaries.
automatic variable	A variable that is allocated on the stack. By default, program variables in
	HP Fortran 90 are automatic. Two characteristics of automatic variables
	are of note:
	• They are allocated at each invocation of the procedure in which they
	are declared and deallocated upon return from the procedure. This
	means that automatic variables do not retain their value between
	invocations.
	• They must be explicitly initialized.
back-end	The component of the compiler that optimizes and generates object code.
	See also front-end..
Basic Linear	A library of de facto standard routines for performing low-level vector and
Algebra	matrix operations. To access routines in this library, you must compile with
Subroutine library	the -lblasoption.
BLAS	See Basic Linear Algebra Subroutine library.
BOZ constant	An integer constant that is used as an initializer in a DATA statement and
	is formatted in binary (B), octal (O), or hexadecimal (Z) notation.
buffering, tty	See tty buffering.
C-D
cpp	See C preprocessor.
C preprocessor	A C language utility that removes or adds statements in a program source
	text, in accordance with directives that have been inserted in the source
	file. HP Fortran 90 can pass source files to the C preprocessor (cpp) for
	preprocessing and then send the output to the compiler.
column-major	The method of storing Fortran 90 arrays in memory. Column-major order
order	requires the columns of a two-dimensional array to be in contiguous memory
	locations. For example, given the array a (3,4), element a (1,1)would

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