Re: [Chicken-users] 32 bit integers?

[Dan Muresan]

> The bitwise-* procedures & arithmetic-shift are supposed to work w/ 
> fixnums & integer flonums. The magnitude of a flonum is converted to a C 
> unsigned int (on 32 bit machines, u_int64_t otherwise), operated upon, 
> then the result is returned as a fixnum or flonum, depending on the 
> precision of the operation result.

Hm, what's an "integer flonum"? A 32 bit signed-int converted to a float?

Anyways, how is it supposed to work?

csi> (require-extension (srfi 60))
csi> (bitwise-ior 4.0 1)
Error: (vector-ref) bad argument type: 11.0

This is with chicken 2.6, before (req-ext numbers)

> The modulo-2^32 is a problem though.

Yeah... You really have to keep it all in C; as soon as you go through 
Chicken, you lose precision.

Best,
Dan