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 |
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| 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" |
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| 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 |
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| Parameters |
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| Usage | Application | ||||
| Related | byte
int unsigned int long unsigned long float |
