On Fri, Jul 31, 2009 at 8:02 AM, Alejandro Forero
Cuervo<[email protected]> wrote:
> In Chicken 3.4.0 linux-unix-gnu-x86-64 the expression (abs 2147483648)
> evaluates to -2147483648 in both csi and a compiled program (negative?
> and positive?, however, seem to work correctly). It evaluated
> correctly in a 32-bits build of the same version.
Please try attached patch.
Jim
Index: runtime.c
===================================================================
--- runtime.c (revision 15090)
+++ runtime.c (working copy)
@@ -5382,7 +5382,7 @@
C_regparm C_word C_fcall C_a_i_abs(C_word **a, int c, C_word x)
{
- if(x & C_FIXNUM_BIT) return C_fix(abs(C_unfix(x)));
+ if(x & C_FIXNUM_BIT) return C_fix(labs(C_unfix(x)));
if(C_immediatep(x) || C_block_header(x) != C_FLONUM_TAG)
barf(C_BAD_ARGUMENT_TYPE_ERROR, "abs", x);
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