(u8data-f64 u)

u8data-f64 returns a 64-bit floating point.

Parameter	Description
u	u8data to get value from

Example

Example 1: An example with pi as a hex value.

> (define mydata (u8vector->u8data (u8vector #x18 #x2D #x44 #x54 #xFB #x21 #x09 #x40)))
> (u8data-f64 mydata)                                                                 
3.141592653589793