libc - Bring in s_ceill.c v1.2 from OpenBSD
commitaf6264e88ebad500745cb6e5cd4d6a4d22ae3eb2
authorMatthew Dillon <dillon@apollo.backplane.com>
Tue, 10 Oct 2017 02:17:32 +0000 (9 19:17 -0700)
committerMatthew Dillon <dillon@apollo.backplane.com>
Tue, 10 Oct 2017 02:17:32 +0000 (9 19:17 -0700)
tree99aa2fa1b7071869ffedcb9cafaafbab5b8bbd61
parentd6bb1ac9d1f031f7ae7358732bd49195cc25a664
libc - Bring in s_ceill.c v1.2 from OpenBSD

fix a case where ceill() returns 1.0L: in the x86 extended precision format
the fraction part has no implicit bit.

Reported-by: xenu
Taken-from: OpenBSD
contrib/openbsd_libm/src/ld80/s_ceill.c