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Re: Go patch committed: Provide matherr function
Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> writes:
> I could give it a try once the current bootstraps are finished. For the
> moment I've shamelessly adapted the following from the __GNUC__ section
> of Solaris 11 <iso/math_c99.h>:
I committed this patch which ought to work.
Bootstrapped and ran Go testsuite on i386-pc-solaris2.11.
Ian
Index: libgo/runtime/go-matherr.c
===================================================================
--- libgo/runtime/go-matherr.c (revision 184024)
+++ libgo/runtime/go-matherr.c (working copy)
@@ -35,7 +35,7 @@ matherr (struct exception* e)
n = e->name;
if (__builtin_strcmp (n, "acos") == 0
|| __builtin_strcmp (n, "asin") == 0)
- e->retval = NAN;
+ e->retval = __builtin_nan ("");
else if (__builtin_strcmp (n, "atan2") == 0)
{
if (e->arg1 == 0 && e->arg2 == 0)
@@ -53,11 +53,11 @@ matherr (struct exception* e)
}
else if (__builtin_strcmp (n, "log") == 0
|| __builtin_strcmp (n, "log10") == 0)
- e->retval = NAN;
+ e->retval = __builtin_nan ("");
else if (__builtin_strcmp (n, "pow") == 0)
{
if (e->arg1 < 0)
- e->retval = NAN;
+ e->retval = __builtin_nan ("");
else if (e->arg1 == 0 && e->arg2 == 0)
e->retval = 1.0;
else if (e->arg1 == 0 && e->arg2 < 0)
@@ -65,9 +65,9 @@ matherr (struct exception* e)
double i;
if (modf (e->arg2, &i) == 0 && ((int64_t) i & 1) == 1)
- e->retval = copysign (INFINITY, e->arg1);
+ e->retval = copysign (__builtin_inf (), e->arg1);
else
- e->retval = INFINITY;
+ e->retval = __builtin_inf ();
}
else
return 0;
@@ -75,7 +75,7 @@ matherr (struct exception* e)
else if (__builtin_strcmp (n, "sqrt") == 0)
{
if (e->arg1 < 0)
- e->retval = NAN;
+ e->retval = __builtin_nan ("");
else
return 0;
}