This is the mail archive of the
newlib@sourceware.org
mailing list for the newlib project.
[PATCH] Fix the documentation comment of checkint
- From: Szabolcs Nagy <szabolcs dot nagy at arm dot com>
- To: newlib at sourceware dot org
- Cc: nd at arm dot com
- Date: Tue, 18 Sep 2018 17:16:47 +0100
- Subject: [PATCH] Fix the documentation comment of checkint
Another comment fix to keep in sync with arm optimized-routines.
>From e79f20af75a4faea5bd6040773409bec1364631d Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue, 18 Sep 2018 14:14:53 +0100
Subject: [PATCH] Fix the documentation comment of checkint
checkint in pow is not supposed to be used with 0, inf or nan inputs.
---
newlib/libm/common/pow.c | 3 ++-
newlib/libm/common/sf_pow.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/newlib/libm/common/pow.c b/newlib/libm/common/pow.c
index e02817ec2..c27d0354a 100644
--- a/newlib/libm/common/pow.c
+++ b/newlib/libm/common/pow.c
@@ -268,7 +268,8 @@ exp_inline (double x, double xtail, uint32_t sign_bias)
return scale + scale * tmp;
}
-/* Returns 0 if not int, 1 if odd int, 2 if even int. */
+/* Returns 0 if not int, 1 if odd int, 2 if even int. The argument is
+ the bit representation of a non-zero finite floating-point value. */
static inline int
checkint (uint64_t iy)
{
diff --git a/newlib/libm/common/sf_pow.c b/newlib/libm/common/sf_pow.c
index 2aa91c9b8..fcdab0ebd 100644
--- a/newlib/libm/common/sf_pow.c
+++ b/newlib/libm/common/sf_pow.c
@@ -127,7 +127,8 @@ exp2_inline (double_t xd, uint32_t sign_bias)
return y;
}
-/* Returns 0 if not int, 1 if odd int, 2 if even int. */
+/* Returns 0 if not int, 1 if odd int, 2 if even int. The argument is
+ the bit representation of a non-zero finite floating-point value. */
static inline int
checkint (uint32_t iy)
{
--
2.14.1