DEFINE

_DEFINE defines a range of variable names according to their first character as a datatype.

Syntax: _DEFINE range or letter[, range2 or letter2[, range3 or letter3[, ...]]] AS [ _UNSIGNED ] datatype

• Variable start letter range is in the form firstletter-endingletter (like A-C) or just a single letter.
• Datatypes: INTEGER, SINGLE, DOUBLE, LONG, STRING, _BIT, _BYTE, _INTEGER64, _FLOAT
• Can also use the _UNSIGNED definition for positive numerical values only.

Example:

_DEFINE A-C, F AS _UNSIGNED INTEGER

Explanation: Any undefined variables that start with the letters A, B, C or F will now be defined as unsigned integers. Unsigned integers can only use positive values while ordinary integers can also use negative values.

See also: DIM, DEFSTR, DEFLNG, DEFINT, DEFSNG, DEFDBL, _UNSIGNED, ABS, SGN

Referance: Mathematical Operations

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