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Fix a long-standing bug in k_rem_pio2(), which led to large errors when

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tanf() was called with big arguments close to multiples of pi/2.

Reported by:	ucbtest via bde
This commit is contained in:
David Schultz 2005-04-05 23:27:47 +00:00
parent 50860ac0ee
commit 46691dfbe7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=144690
1 changed files with 1 additions and 1 deletions
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lib/msun/src/k_rem_pio2f.c
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@ -88,7 +88,7 @@ twon8 = 3.9062500000e-03; /* 0x3b800000 */
iq[jz-1] -= i<<(8-q0);
ih = iq[jz-1]>>(7-q0);
}
else if(q0==0) ih = iq[jz-1]>>8;
else if(q0==0) ih = iq[jz-1]>>7;
else if(z>=(float)0.5) ih=2;
if(ih>0) { /* q > 0.5 */