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[Chicken-users] return a float from foreign function
From: |
Shawn Rutledge |
Subject: |
[Chicken-users] return a float from foreign function |
Date: |
Sun, 27 Aug 2006 02:31:03 -0700 |
impl.c:
#include <math.h>
float baz(int i)
{
return (((float)i) / 15.2);
}
callit.scm:
(define baz (foreign-lambda float "baz" int))
(display baz)
(display (baz 42))
csc callit.scm impl.c
./callit
#<procedure (baz a25)>42.0
Change impl.c to make sure it's being called at all:
#include <math.h>
#include <stdio.h>
float baz(int i)
{
printf("baz given %d\n", i);
return (((float)i) / 15.2);
}
./callit
#<procedure (baz a25)>baz given 42
13.0
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.
- [Chicken-users] return a float from foreign function,
Shawn Rutledge <=
- Re: [Chicken-users] return a float from foreign function, John Cowan, 2006/08/27
- Re: [Chicken-users] return a float from foreign function, Zbigniew, 2006/08/28
- Re: [Chicken-users] return a float from foreign function, John Cowan, 2006/08/28
- Re: [Chicken-users] return a float from foreign function, Zbigniew, 2006/08/28
- Re: [Chicken-users] return a float from foreign function, John Cowan, 2006/08/28
- Re: [Chicken-users] return a float from foreign function, Zbigniew, 2006/08/28
- Re: [Chicken-users] return a float from foreign function, Shawn Rutledge, 2006/08/28
- Re: [Chicken-users] return a float from foreign function, Zbigniew, 2006/08/28