Re: [Chicken-users] return a float from foreign function

[John Cowan]

Shawn Rutledge scripsit:

> impl.c:
>
> #include <math.h>
>
> float baz(int i)
> {
>        return (((float)i) / 15.2);
> }

Note that "float" in Chicken foreign types is a synonym for "double",
whereas "float" in C means single-float and "double" means double-float.
So you need to change the C code to say "double" in both place
in order to get this to work at all (except by luck).

> This is with chicken 2.2 and I think 2.3 also has similar problems.  I
> can try 2.41 when it gets done building.

It fails under 2.41 and 2.426 as well.

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