On Thu, 4 Jun 1998, Godmar Back wrote:

>     In particular, I need to implement a function that turns a double number
>     into its IEEE 754 floating-point "double format" bit layout, where
>     Bit 63 represents the sign of the floating-point number.  Bits 62-52 
>     represent the exponent.  Bits 51-0 represent the significand (sometimes 
>     called the mantissa) of the floating-point number.
> 
> * Is it correct to implement this function like so:
> 
>     long long doubleToLongBits(double val) { return *(long long *)&val; }

Have you had a look at the softfloat library we use. It might provide some
useful information

src/lib/libc/arch/arm32/fplib/*

in the libc sources contains the softfloat library and veneers for GCC
etc.

Cheers,
				Mark