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authorkargl <kargl@FreeBSD.org>2013-06-03 19:29:03 +0000
committerkargl <kargl@FreeBSD.org>2013-06-03 19:29:03 +0000
commit2c97b7db0caff3aa17c5f075ac1d9f66e06d98da (patch)
tree5ad2766d364ffe8531c9af048c811f315a1ec388 /lib
parentd46bc8559f2db5233b3beda396ef5facd2be9712 (diff)
downloadFreeBSD-src-2c97b7db0caff3aa17c5f075ac1d9f66e06d98da.zip
FreeBSD-src-2c97b7db0caff3aa17c5f075ac1d9f66e06d98da.tar.gz
Fix two comments that got lost in the disentanglement of the larger diff.
Diffstat (limited to 'lib')
-rw-r--r--lib/msun/ld128/s_expl.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/msun/ld128/s_expl.c b/lib/msun/ld128/s_expl.c
index 5637cbe..e7fc5e5 100644
--- a/lib/msun/ld128/s_expl.c
+++ b/lib/msun/ld128/s_expl.c
@@ -70,7 +70,7 @@ L1 = 5.41521234812457272982212595914567508e-3L;
static const long double
/*
- * Domain [-0.002708, 0.002708], range ~[-2.4011e-38, 2.4244e-38]:
+ * Domain [-0.002708, 0.002708], range ~[-2.4021e-38, 2.4234e-38]:
* |exp(x) - p(x)| < 2**-124.9
* (0.002708 is ln2/(2*INTERVALS) rounded up a little).
*/
@@ -87,6 +87,11 @@ A9 = 2.7557324277411234e-6,
A10 = 2.7557333722375072e-7;
static const struct {
+ /*
+ * hi must be rounded to at most 106 bits so that multiplication
+ * by r1 in expm1l() is exact, but it is rounded to 88 bits due to
+ * historical accidents.
+ */
long double hi;
long double lo;
} tbl[INTERVALS] = {
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