diff options
Diffstat (limited to 'main/musl/0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch')
| -rw-r--r-- | main/musl/0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/main/musl/0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch b/main/musl/0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch deleted file mode 100644 index f81bc76940..0000000000 --- a/main/musl/0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch +++ /dev/null @@ -1,37 +0,0 @@ -From d184a09e0529f33d8ddddb8825039133483a2c41 Mon Sep 17 00:00:00 2001 -From: Szabolcs Nagy <nsz@port70.net> -Date: Sun, 4 Sep 2016 04:46:00 +0200 -Subject: [PATCH 23/25] fix strtod and strtof rounding with many trailing zeros - -in certain cases excessive trailing zeros could cause incorrect -rounding from long double to double or float in decfloat. - -e.g. in strtof("9444733528689243848704.000000", 0) the argument -is 0x1.000001p+73, exactly halfway between two representible floats, -this incorrectly got rounded to 0x1.000002p+73 instead of 0x1p+73, -but with less trailing 0 the rounding was fine. - -the fix makes sure that the z index always points one past the last -non-zero digit in the base 10^9 representation, this way trailing -zeros don't affect the rounding logic. ---- - src/internal/floatscan.c | 3 +++ - 1 file changed, 3 insertions(+) - -diff --git a/src/internal/floatscan.c b/src/internal/floatscan.c -index eef70df..80305ee 100644 ---- a/src/internal/floatscan.c -+++ b/src/internal/floatscan.c -@@ -172,6 +172,9 @@ static long double decfloat(FILE *f, int c, int bits, int emin, int sign, int po - return sign * (long double)x[0] * p10s[rp-10]; - } - -+ /* Drop trailing zeros */ -+ for (; !x[z-1]; z--); -+ - /* Align radix point to B1B digit boundary */ - if (rp % 9) { - int rpm9 = rp>=0 ? rp%9 : rp%9+9; --- -2.10.1 - |