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| author | Ondřej Bílka <neleai@seznam.cz> | 2013-10-17 16:03:24 +0200 |
|---|---|---|
| committer | Ondřej Bílka <neleai@seznam.cz> | 2013-10-17 16:03:24 +0200 |
| commit | c5d5d574cbfa96d0f6c1db24d1e072c472627e41 (patch) | |
| tree | 83b97e29ee65636dfe1247ea8d2344ca3f0b04b4 /sysdeps/ieee754/dbl-64/e_log10.c | |
| parent | e5c2c2d0c0315ca24cc9cd638cdb1a2d8dcc4b0d (diff) | |
| download | glibc-c5d5d574cbfa96d0f6c1db24d1e072c472627e41.tar glibc-c5d5d574cbfa96d0f6c1db24d1e072c472627e41.tar.gz glibc-c5d5d574cbfa96d0f6c1db24d1e072c472627e41.tar.bz2 glibc-c5d5d574cbfa96d0f6c1db24d1e072c472627e41.zip | |
Format floating routines.
Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_log10.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_log10.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_log10.c b/sysdeps/ieee754/dbl-64/e_log10.c index ab5069e58e..c3d465a4a9 100644 --- a/sysdeps/ieee754/dbl-64/e_log10.c +++ b/sysdeps/ieee754/dbl-64/e_log10.c @@ -46,10 +46,10 @@ #include <math.h> #include <math_private.h> -static const double two54 = 1.80143985094819840000e+16; /* 0x43500000, 0x00000000 */ -static const double ivln10 = 4.34294481903251816668e-01; /* 0x3FDBCB7B, 0x1526E50E */ -static const double log10_2hi = 3.01029995663611771306e-01; /* 0x3FD34413, 0x509F6000 */ -static const double log10_2lo = 3.69423907715893078616e-13; /* 0x3D59FEF3, 0x11F12B36 */ +static const double two54 = 1.80143985094819840000e+16; /* 0x43500000, 0x00000000 */ +static const double ivln10 = 4.34294481903251816668e-01; /* 0x3FDBCB7B, 0x1526E50E */ +static const double log10_2hi = 3.01029995663611771306e-01; /* 0x3FD34413, 0x509F6000 */ +static const double log10_2lo = 3.69423907715893078616e-13; /* 0x3D59FEF3, 0x11F12B36 */ double __ieee754_log10 (double x) @@ -62,13 +62,13 @@ __ieee754_log10 (double x) k = 0; if (hx < 0x00100000) - { /* x < 2**-1022 */ + { /* x < 2**-1022 */ if (__builtin_expect (((hx & 0x7fffffff) | lx) == 0, 0)) - return -two54 / (x - x); /* log(+-0)=-inf */ + return -two54 / (x - x); /* log(+-0)=-inf */ if (__builtin_expect (hx < 0, 0)) - return (x - x) / (x - x); /* log(-#) = NaN */ + return (x - x) / (x - x); /* log(-#) = NaN */ k -= 54; - x *= two54; /* subnormal number, scale up x */ + x *= two54; /* subnormal number, scale up x */ GET_HIGH_WORD (hx, x); } if (__builtin_expect (hx >= 0x7ff00000, 0)) |