SHORTINT

Sommaire


Shortint is used to declare short integer type variables.

 

Syntax

  [ Local | Global | Extern ] Shortint list_var_dim

 

Parameters

Element

Description

Restrictions

list_var_dim

List ofvar_dim separated by the character ','.

None.

var_dim

Name of a variable expressed in one of the following forms:
nom_var
nom_var '(' list_dim ')'

None.

nom_var

nom_de_variable.

None.

list_dim

List ofexp_dim séparées par le caractère ','.

Number limited to 4.

exp_dim

Integer expression representing the number of elements of the variable (from 0 to exp_dim-1) or 2 integer expressions separated by the 2 characters '..' representing the range of possible indices for the variable.

The number of ele
ments must belong to [1,65535]. If a range is given
the starting index should belong to
[-32768,32767].

 

Examples

   # Declaration of local variable
   Local Shortint LOCAL_SHORT

   # Declaration of an external 8 element table (numbered 0 to 7)
   Extern Shortint TAB_SHORT( 8 )

   # Declaration of an 8 element table (numbered I to I+7)
   I = 3
  
Shortint TAB_SHORT( I .. I+7 )

   # Declaration of a 4-dimensional matrix
   Shortint COORD(I, J, K, L)

 

Description and comments

Shortint is used to declare short integer type variables, scaling them if necessary.

If Local is used, the variables will be local to the routine or sub-programme, and deleted when the sub-programme or routine is completed.

If Extern is used, the variable is not created, but its existence and type are checked.

If Extern is not used, a declaration of a variable already existing in class [V] or [L] will cause this
variable to be deleted, followed by its recreation with the dimensions and type given. After a declaration, the variable is always initialised (that is, set to 0 for a variable of type
Shortint, for all indices of the variable).

Values for Shortint are between -32768 and +32767.

 

Associated errors

Error

Description

ERDIM (55)

Too many dimensions are given (>4).

ERVARI ( 6)

Non-existent variable (Extern).

ERMODE (10)

- The dimensions given are not numerical.
- The type of variable is incorrect (Extern).

ERCLAS ( 7)

Non-existent or prohibited class (for example: declaration of a variable in a mask).

ERINDI ( 8)

One of the dimensions is null.

ERDOM (50)

The dimensions are not between -32768 and +32767.

 

Associated key words

INTEGER - LIBELLE - DATE - CHAR - DECIMAL - GLOBAL - LOCAL - EXTERN


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