NX Nastran DMAP Programmer's Guide - Kxcad.net

4
Parameters
1.3 Parameters
Parameters can be either constants, variables, or expressions and can represent one of
several types:
Type Description Example(s)
Integer whole number 10 or -4
Real decimal number that is a whole number and a
decimal point, with an optional decimal fraction.
Complex a pair of real numbers representing the real and
imaginary parts of a complex quantity
Also, the real and complex types are either single or double precision. The following
table indicates the storage units required as a function of data type. One storage unit
is the basic word size on a computer. Typically, a word is 32 bits long on a short-word
computer and 64 bits on a long-word computer.
The type of a parameter must be declared in at least one of three ways:
27000. or 2.7E5 or
2.7D5
(1.1,2.3) or
(1.D0,3.5D1)
Logical represents either TRUE or FALSE TRUE or FALSE
Character a string of 1 to 80 characters 'GEORGE'
Type
No. of
words
Integer 1
Real single precision 1
Real double precision 2
Complex single precision 2
Complex double precision 4
Logical 1
Character 1 to 20
Constant Inherent in its specification or construction
Explicit On a TYPE statement for variable parameters
Implicit In a module’s parameter list for variable
parameters