ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

d3dx9_36: Replace powf(2, unsigned int) with (1u << unsigned int). 

Signed-off-by: Stefan Dösinger <stefan@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Stefan Dösinger 2015-11-22 01:00:57 +01:00 committed by Alexandre Julliard
parent 66f4015781
commit 1e78257109
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
dlls/d3dx9_36/math.c
View File

@ -2138,21 +2138,21 @@ unsigned short float_32_to_16(const float in)
if (isnan(in)) return (sign ? 0xffff : 0x7fff); if (isnan(in)) return (sign ? 0xffff : 0x7fff);
if (in == 0.0f) return (sign ? 0x8000 : 0x0000); if (in == 0.0f) return (sign ? 0x8000 : 0x0000);
if (tmp < powf(2, 10)) if (tmp < (float)(1u << 10))
{ {
do do
{ {
tmp *= 2.0f; tmp *= 2.0f;
exp--; exp--;
} while (tmp < powf(2, 10)); } while (tmp < (float)(1u << 10));
} }
else if (tmp >= powf(2, 11)) else if (tmp >= (float)(1u << 11))
{ {
do do
{ {
tmp /= 2.0f; tmp /= 2.0f;
exp++; exp++;
} while (tmp >= powf(2, 11)); } while (tmp >= (float)(1u << 11));
} }
exp += 10; /* Normalize the mantissa */ exp += 10; /* Normalize the mantissa */
@ -2190,7 +2190,7 @@ unsigned short float_32_to_16(const float in)
exp = origexp; exp = origexp;
/* the 13 extra bits from single precision are used for rounding */ /* the 13 extra bits from single precision are used for rounding */
mantissa = (unsigned int)(tmp * powf(2, 13)); mantissa = (unsigned int)(tmp * (1u << 13));
mantissa >>= 1 - exp; /* denormalize */ mantissa >>= 1 - exp; /* denormalize */
mantissa -= ~(mantissa >> 13) & 1; /* round half to even */ mantissa -= ~(mantissa >> 13) & 1; /* round half to even */