V+ Language Reference Guide, v17.x


VAL real-valued function

Syntax

VAL (string)

Function

Return the real value represented by the characters in the input string.

Usage Considerations

The input string can be a number in scientific notation.

The input string can contain leading number base indicators (^H, for example).

The input string can contain a + or - sign before the numeric part of the string, but after any optional base indicator.

Any character that cannot be interpreted as part of a number or as a base indicator marks the end of the characters that are converted.

Parameter

string String constant, variable, or expression.

Examples

VAL("123 Elm Street")   ;Returns the real value 123
VAL("1.2E-2")           ;Returns the real value 0.012
VAL("^HFF")             ;Returns the real value 255

Related Keywords

ASC real-valued function

$ENCODE string function

FLTB real-valued function

INTB real-valued function

LNGB real-valued function


Submit comments to: techpubs@adept.com
Last modified on: 3/27/2012
Copyright © 1994 - 2012. Adept Technology, Inc.