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Remove commented out code.

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This commit is contained in:
Alexei Podtelezhnikov 2014-09-30 22:53:38 -04:00
parent 7f49111f81
commit f78ca0dbb9
1 changed files with 0 additions and 121 deletions
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121
src/base/ftcalc.c
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@ -604,127 +604,6 @@
}
#if 0
/* documentation is in ftcalc.h */
FT_EXPORT_DEF( void )
FT_MulTo64( FT_Int32 x,
FT_Int32 y,
FT_Int64 *z )
{
FT_Int32 s;
s = x; x = FT_ABS( x );
s ^= y; y = FT_ABS( y );
ft_multo64( x, y, z );
if ( s < 0 )
{
z->lo = (FT_UInt32)-(FT_Int32)z->lo;
z->hi = ~z->hi + !( z->lo );
}
}
/* apparently, the second version of this code is not compiled correctly */
/* on Mac machines with the MPW C compiler.. tsk, tsk, tsk... */
#if 1
FT_EXPORT_DEF( FT_Int32 )
FT_Div64by32( FT_Int64* x,
FT_Int32 y )
{
FT_Int32 s;
FT_UInt32 q, r, i, lo;
s = x->hi;
if ( s < 0 )
{
x->lo = (FT_UInt32)-(FT_Int32)x->lo;
x->hi = ~x->hi + !x->lo;
}
s ^= y; y = FT_ABS( y );
/* Shortcut */
if ( x->hi == 0 )
{
if ( y > 0 )
q = x->lo / y;
else
q = 0x7FFFFFFFL;
return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q );
}
r = x->hi;
lo = x->lo;
if ( r >= (FT_UInt32)y ) /* we know y is to be treated as unsigned here */
return ( s < 0 ? 0x80000001UL : 0x7FFFFFFFUL );
/* Return Max/Min Int32 if division overflow. */
/* This includes division by zero! */
q = 0;
for ( i = 0; i < 32; i++ )
{
r <<= 1;
q <<= 1;
r |= lo >> 31;
if ( r >= (FT_UInt32)y )
{
r -= y;
q |= 1;
}
lo <<= 1;
}
return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q );
}
#else /* 0 */
FT_EXPORT_DEF( FT_Int32 )
FT_Div64by32( FT_Int64* x,
FT_Int32 y )
{
FT_Int32 s;
FT_UInt32 q;
s = x->hi;
if ( s < 0 )
{
x->lo = (FT_UInt32)-(FT_Int32)x->lo;
x->hi = ~x->hi + !x->lo;
}
s ^= y; y = FT_ABS( y );
/* Shortcut */
if ( x->hi == 0 )
{
if ( y > 0 )
q = ( x->lo + ( y >> 1 ) ) / y;
else
q = 0x7FFFFFFFL;
return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q );
}
q = ft_div64by32( x->hi, x->lo, y );
return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q );
}
#endif /* 0 */
#endif /* 0 */
#endif /* FT_LONG64 */