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authorSiddhesh Poyarekar <siddhesh@redhat.com>2014-02-27 21:12:09 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2014-02-27 21:12:09 +0530
commit1cadc85813d736f7682fa2eeadae639ab6b66c65 (patch)
tree888639c3cafe46a0abd42bcae297056041577e8e /sysdeps/ieee754
parentf8c17e79fab13a3d1de976c1c3564df7f8c2a175 (diff)
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Fix sign of input to bsloww1 (BZ #16623)
In 84ba214c, I removed some redundant sign computations and in the process, I incorrectly got rid of a temporary variable, thus passing the absolute value of the input to bsloww1. This caused #16623. This fix undoes the incorrect change.
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/dbl-64/s_sin.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_sin.c b/sysdeps/ieee754/dbl-64/s_sin.c
index 6105e9f..50109b8 100644
--- a/sysdeps/ieee754/dbl-64/s_sin.c
+++ b/sysdeps/ieee754/dbl-64/s_sin.c
@@ -447,19 +447,21 @@ __sin (double x)
}
else
{
+ double t;
if (a > 0)
{
m = 1;
+ t = a;
db = da;
}
else
{
m = 0;
- a = -a;
+ t = -a;
db = -da;
}
- u.x = big + a;
- y = a - (u.x - big);
+ u.x = big + t;
+ y = t - (u.x - big);
res = do_sin (u, y, db, &cor);
cor = (cor > 0) ? 1.035 * cor + eps : 1.035 * cor - eps;
retval = ((res == res + cor) ? ((m) ? res : -res)
@@ -671,19 +673,21 @@ __cos (double x)
}
else
{
+ double t;
if (a > 0)
{
m = 1;
+ t = a;
db = da;
}
else
{
m = 0;
- a = -a;
+ t = -a;
db = -da;
}
- u.x = big + a;
- y = a - (u.x - big);
+ u.x = big + t;
+ y = t - (u.x - big);
res = do_sin (u, y, db, &cor);
cor = (cor > 0) ? 1.035 * cor + eps : 1.035 * cor - eps;
retval = ((res == res + cor) ? ((m) ? res : -res)