diff options
Diffstat (limited to 'src/math/scalbnf.c')
| -rw-r--r-- | src/math/scalbnf.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/math/scalbnf.c b/src/math/scalbnf.c index e5c76db3..f94b5d59 100644 --- a/src/math/scalbnf.c +++ b/src/math/scalbnf.c @@ -2,8 +2,6 @@ float scalbnf(float x, int n) { - /* make sure result is stored as double on overflow or underflow */ - volatile float z; float scale; if (n > 127) { @@ -13,8 +11,8 @@ float scalbnf(float x, int n) x *= 0x1p127f; n -= 127; if (n > 127) { - z = x * 0x1p127f; - return z; + STRICT_ASSIGN(float, x, x * 0x1p127f); + return x; } } } else if (n < -126) { @@ -24,12 +22,12 @@ float scalbnf(float x, int n) x *= 0x1p-126f; n += 126; if (n < -126) { - z = x * 0x1p-126f; - return z; + STRICT_ASSIGN(float, x, x * 0x1p-126f); + return x; } } } SET_FLOAT_WORD(scale, (uint32_t)(0x7f+n)<<23); - z = x * scale; - return z; + STRICT_ASSIGN(float, x, x * scale); + return x; } |