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added --disable-fast-fp-converions configure option

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This commit is contained in:
Tomas Frydrych
2007-07-25 18:17:13 +00:00
parent a57acd0275
commit 2c97bdf456
3 changed files with 42 additions and 4 deletions
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18
clutter/clutter-fixed.c
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@ -856,6 +856,9 @@ const double _magic = 68719476736.0*1.5;
ClutterFixed
_clutter_double_to_fixed (double val)
{
#ifdef CFX_NO_FAST_CONVERSIONS
return (ClutterFixed)(val * (double)CFX_ONE);
#else
union
{
double d;
@ -864,7 +867,8 @@ _clutter_double_to_fixed (double val)
dbl.d = val;
dbl.d = dbl.d + _magic;
return dbl.i[0];
return dbl.i[0];
#endif
}
/*
@ -881,6 +885,9 @@ _clutter_double_to_fixed (double val)
gint
_clutter_double_to_int (double val)
{
#ifdef CFX_NO_FAST_CONVERSIONS
return (gint)(val);
#else
union
{
double d;
@ -889,12 +896,16 @@ _clutter_double_to_int (double val)
dbl.d = val;
dbl.d = dbl.d + _magic;
return ((int)dbl.i[0]) >> 16;
return ((int)dbl.i[0]) >> 16;
#endif
}
guint
_clutter_double_to_uint (double val)
{
#ifdef CFX_NO_FAST_CONVERSIONS
return (guint)(val);
#else
union
{
double d;
@ -903,7 +914,8 @@ _clutter_double_to_uint (double val)
dbl.d = val;
dbl.d = dbl.d + _magic;
return (dbl.i[0]) >> 16;
return (dbl.i[0]) >> 16;
#endif
}
#undef _CFX_MAN