Tobias Burnus:
Sorry, I seemingly applied an old premature version of the patch
instead of the one I had build and tested. Fixed by the attached patch
(Rev. 193100).
Now with a nonzero file as attachment, it helps diffing -r193099:193100
instead of -r193109:193100.
I think I need a break…
Tobias
Index: math/fmaq.c
===================================================================
--- math/fmaq.c (Revision 193099)
+++ math/fmaq.c (Revision 193100)
@@ -77,7 +77,7 @@
result nor whether there is underflow depends on its exact
value, only on its sign. */
if (u.ieee.exponent + v.ieee.exponent
- < IEEE854_FLT128_DOUBLE_BIAS - FLT128_MANT_DIG - 2)
+ < IEEE854_FLOAT128_BIAS - FLT128_MANT_DIG - 2)
{
int neg = u.ieee.negative ^ v.ieee.negative;
__float128 tiny = neg ? -0x1p-16494L : 0x1p-16494L;
@@ -94,10 +94,8 @@
: (w.ieee.exponent == 0
|| (w.ieee.exponent == 1
&& w.ieee.negative != neg
- && w.ieee.mantissa3 == 0
- && w.ieee.mantissa2 == 0
- && w.ieee.mantissa1 == 0
- && w.ieee.mantissa0 == 0)))
+ && w.ieee.mant_low == 0
+ && w.ieee.mant_high == 0)))
{
volatile __float128 force_underflow = x * y;
(void) force_underflow;
