diff options
Diffstat (limited to 'src/math/modff.c')
-rw-r--r-- | src/math/modff.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/src/math/modff.c b/src/math/modff.c index 90caf316..639514ef 100644 --- a/src/math/modff.c +++ b/src/math/modff.c @@ -2,36 +2,33 @@ float modff(float x, float *iptr) { - union {float x; uint32_t n;} u = {x}; + union {float f; uint32_t i;} u = {x}; uint32_t mask; - int e; - - e = (int)(u.n>>23 & 0xff) - 0x7f; + int e = (int)(u.i>>23 & 0xff) - 0x7f; /* no fractional part */ if (e >= 23) { *iptr = x; - if (e == 0x80 && u.n<<9 != 0) { /* nan */ + if (e == 0x80 && u.i<<9 != 0) { /* nan */ return x; } - u.n &= 0x80000000; - return u.x; + u.i &= 0x80000000; + return u.f; } /* no integral part */ if (e < 0) { - u.n &= 0x80000000; - *iptr = u.x; + u.i &= 0x80000000; + *iptr = u.f; return x; } mask = 0x007fffff>>e; - if ((u.n & mask) == 0) { + if ((u.i & mask) == 0) { *iptr = x; - u.n &= 0x80000000; - return u.x; + u.i &= 0x80000000; + return u.f; } - u.n &= ~mask; - *iptr = u.x; - STRICT_ASSIGN(float, x, x - *iptr); - return x; + u.i &= ~mask; + *iptr = u.f; + return x - u.f; } |