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| author | Rich Felker <dalias@aerifal.cx> | 2012-11-15 08:37:58 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-11-15 08:37:58 -0500 |
| commit | 8bb181622222f2ee3462c8b021bcae4fcdbbd37a (patch) | |
| tree | 166a1be834c8cd5a4c2521d41d7ee506bd8c8e51 /src/math/scalbn.c | |
| parent | 22781b4d8ecaf97ac52d2a501a2e7d3bc1920ce0 (diff) | |
| parent | 68847ecd3a644d3ffd9be58603be1a3fa437dff0 (diff) | |
| download | musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.tar.gz musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.tar.xz musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.zip | |
Merge remote-tracking branch 'nsz/math'
Diffstat (limited to 'src/math/scalbn.c')
| -rw-r--r-- | src/math/scalbn.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/math/scalbn.c b/src/math/scalbn.c index c9c7af80..003141e3 100644 --- a/src/math/scalbn.c +++ b/src/math/scalbn.c @@ -10,8 +10,10 @@ double scalbn(double x, int n) if (n > 1023) { x *= 0x1p1023; n -= 1023; - if (n > 1023) - return x * 0x1p1023; + if (n > 1023) { + STRICT_ASSIGN(double, x, x * 0x1p1023); + return x; + } } } else if (n < -1022) { x *= 0x1p-1022; @@ -19,10 +21,13 @@ double scalbn(double x, int n) if (n < -1022) { x *= 0x1p-1022; n += 1022; - if (n < -1022) - return x * 0x1p-1022; + if (n < -1022) { + STRICT_ASSIGN(double, x, x * 0x1p-1022); + return x; + } } } INSERT_WORDS(scale, (uint32_t)(0x3ff+n)<<20, 0); - return x * scale; + STRICT_ASSIGN(double, x, x * scale); + return x; } |