$ cat foo.jl
run(`gcc foo.c -O3 -dynamiclib -o foo`) #-> compile it
arg1, arg2, arg3, arg4 = 1, 2, 3, 4;
val = ccall((:foo, "foo"), Cdouble,(Cdouble, Cdouble, Cdouble, Cdouble),arg1
,arg2,arg3,arg4)
println(val);
$ julia foo.jl
10.0
On Saturday, February 14, 2015 at 5:01:00 PM UTC-5, Josh Greenhalgh wrote:
>
> This is probably a really easy question to answer...
>
> I have the following very basic c function;
>
> double foo(double Zx, double Zy, double Cx, double Cy)
> {
> return Zx + Zy + Cy + Cx;
> }
>
> it lives in foo.c
>
> I try to call in julia using;
>
> run(`gcc foo.c -O3 -dynamiclib -o foo`) #-> compile it
> ccall( (:foo, "foo"), Cdouble,(Cdouble, Cdouble, Cdouble,
> Cdouble),arg1,arg2,arg3,arg4)
>
> it just returns arg1!
>
> I'm sure im doing something very silly probably in the c code...any help
> would be much appreciated!
>
>
