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| author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2018-06-13 15:30:02 +0000 |
|---|---|---|
| committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2018-06-13 15:30:02 +0000 |
| commit | 1ecf95476ca19f37b7b98135bc065a6bcaaedcca (patch) | |
| tree | 252f956cbad9944be8cec5530750128497a421ec /src/set_d128.c | |
| parent | b574d8afc32f8fea40e7e3ade5fbefc6a09a0730 (diff) | |
| download | mpfr-1ecf95476ca19f37b7b98135bc065a6bcaaedcca.tar.gz | |
[src/set_d128.c] Minor improvements.
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@12770 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'src/set_d128.c')
| -rw-r--r-- | src/set_d128.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/set_d128.c b/src/set_d128.c index 3e1bda142..3cb828fc9 100644 --- a/src/set_d128.c +++ b/src/set_d128.c @@ -29,6 +29,7 @@ http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., #include "mpfr-impl.h" #ifdef MPFR_WANT_DECIMAL_FLOATS + #ifdef DPD_FORMAT /* conversion 10-bits to 3 digits */ static unsigned int T[1024] = { @@ -221,8 +222,10 @@ decimal128_to_string (char *s, _Decimal128 d) exp -= 398; /* unbiased exponent */ sprintf (t, "E%d", exp); } + #else /* portable version */ + #ifndef DEC128_MAX # define DEC128_MAX 9.999999999999999999999999999999999E6144dl #endif @@ -233,17 +236,17 @@ decimal128_to_string (char *s, _Decimal128 d) int sign = 0, n; int exp = 0; - if (d != d) /* NaN */ + if (MPFR_UNLIKELY (DOUBLE_ISNAN (d))) /* NaN */ { sprintf (s, "NaN"); /* sprintf puts a final '\0' */ return; } - else if (d > DEC128_MAX) /* +Inf */ + else if (MPFR_UNLIKELY (d > DEC128_MAX)) /* +Inf */ { sprintf (s, "Inf"); return; } - else if (d < -DEC128_MAX) /* -Inf */ + else if (MPFR_UNLIKELY (d < -DEC128_MAX)) /* -Inf */ { sprintf (s, "-Inf"); return; @@ -469,6 +472,7 @@ decimal128_to_string (char *s, _Decimal128 d) else *s = '\0'; } + #endif /* _GMP_IEEE_FLOATS */ /* the IEEE754-2008 decimal128 format has 34 digits, with emax=6144, |