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| author | Szabolcs Nagy <nsz@port70.net> | 2013-08-15 10:07:46 +0000 |
|---|---|---|
| committer | Szabolcs Nagy <nsz@port70.net> | 2013-08-15 10:07:46 +0000 |
| commit | 1b77b9072f374bd26eb0574b83a0d5f18d75ec60 (patch) | |
| tree | fa208fb1e035c56be32a6829517e4ef5000917f5 | |
| parent | 56b57f37a46dab432247bf29d96fcb11fbd02a6d (diff) | |
| download | musl-1b77b9072f374bd26eb0574b83a0d5f18d75ec60.tar.gz musl-1b77b9072f374bd26eb0574b83a0d5f18d75ec60.tar.xz musl-1b77b9072f374bd26eb0574b83a0d5f18d75ec60.zip | |
math: minor scalbn*.c simplification
| -rw-r--r-- | src/math/scalbn.c | 12 | ||||
| -rw-r--r-- | src/math/scalbnf.c | 12 | ||||
| -rw-r--r-- | src/math/scalbnl.c | 4 |
3 files changed, 10 insertions, 18 deletions
diff --git a/src/math/scalbn.c b/src/math/scalbn.c index 003141e3..1fec432f 100644 --- a/src/math/scalbn.c +++ b/src/math/scalbn.c @@ -10,10 +10,8 @@ double scalbn(double x, int n) if (n > 1023) { x *= 0x1p1023; n -= 1023; - if (n > 1023) { - STRICT_ASSIGN(double, x, x * 0x1p1023); - return x; - } + if (n > 1023) + n = 1023; } } else if (n < -1022) { x *= 0x1p-1022; @@ -21,10 +19,8 @@ double scalbn(double x, int n) if (n < -1022) { x *= 0x1p-1022; n += 1022; - if (n < -1022) { - STRICT_ASSIGN(double, x, x * 0x1p-1022); - return x; - } + if (n < -1022) + n = -1022; } } INSERT_WORDS(scale, (uint32_t)(0x3ff+n)<<20, 0); diff --git a/src/math/scalbnf.c b/src/math/scalbnf.c index f94b5d59..c0eeaf84 100644 --- a/src/math/scalbnf.c +++ b/src/math/scalbnf.c @@ -10,10 +10,8 @@ float scalbnf(float x, int n) if (n > 127) { x *= 0x1p127f; n -= 127; - if (n > 127) { - STRICT_ASSIGN(float, x, x * 0x1p127f); - return x; - } + if (n > 127) + n = 127; } } else if (n < -126) { x *= 0x1p-126f; @@ -21,10 +19,8 @@ float scalbnf(float x, int n) if (n < -126) { x *= 0x1p-126f; n += 126; - if (n < -126) { - STRICT_ASSIGN(float, x, x * 0x1p-126f); - return x; - } + if (n < -126) + n = -126; } } SET_FLOAT_WORD(scale, (uint32_t)(0x7f+n)<<23); diff --git a/src/math/scalbnl.c b/src/math/scalbnl.c index c605b8da..7ad7688b 100644 --- a/src/math/scalbnl.c +++ b/src/math/scalbnl.c @@ -17,7 +17,7 @@ long double scalbnl(long double x, int n) x *= 0x1p16383L; n -= 16383; if (n > 16383) - return x * 0x1p16383L; + n = 16383; } } else if (n < -16382) { x *= 0x1p-16382L; @@ -26,7 +26,7 @@ long double scalbnl(long double x, int n) x *= 0x1p-16382L; n += 16382; if (n < -16382) - return x * 0x1p-16382L; + n = -16382; } } scale.e = 1.0; |