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Reference for Wiring version 0024+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name | ### double
Examples |
    double a;          // Declare variable "a" of type doublev
    a = 1.5387;       // Assign "a" the value 1.5387
    double b = -2.984; // Declare variable "b" and assign it the value -2.984
    double c = a + b;  // Declare variable "c" and assign it the sum of "a" and "b"
Description | Datatype for floating-point numbers, a number that has a decimal point. Floating-point numbers are often used to approximate analog and continuous values because they have greater resolution than integers. Floating-point numbers can be as large as 1.7976931348623157E+308. They are stored as 64 bits (8 bytes) of information.
Syntax |
    double var
    double var = value
Parameters |
var | variable name referencing the float
value | any floating-point value
Usage | Application
Related | byte int unsigned int long unsigned long float

Updated on September 13, 2007 06:00:40pm PDT