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added --disable-fast-fp-converions configure option
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@ -1,3 +1,10 @@
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2007-07-25 Tomas Frydrych <tf@openedhand.com>
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* configure.ac:
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* clutter/clutter-fixed.c:
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Added --disable-fast-fp-conversion option.
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2007-07-25 Emmanuele Bassi <ebassi@openedhand.com>
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* clutter/clutter-label.[ch]: Ouch, clutter_label_get_alignment()
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@ -856,6 +856,9 @@ const double _magic = 68719476736.0*1.5;
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ClutterFixed
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_clutter_double_to_fixed (double val)
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{
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#ifdef CFX_NO_FAST_CONVERSIONS
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return (ClutterFixed)(val * (double)CFX_ONE);
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#else
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union
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{
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double d;
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@ -865,6 +868,7 @@ _clutter_double_to_fixed (double val)
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dbl.d = val;
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dbl.d = dbl.d + _magic;
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return dbl.i[0];
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#endif
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}
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/*
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@ -881,6 +885,9 @@ _clutter_double_to_fixed (double val)
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gint
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_clutter_double_to_int (double val)
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{
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#ifdef CFX_NO_FAST_CONVERSIONS
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return (gint)(val);
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#else
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union
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{
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double d;
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@ -890,11 +897,15 @@ _clutter_double_to_int (double val)
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dbl.d = val;
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dbl.d = dbl.d + _magic;
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return ((int)dbl.i[0]) >> 16;
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#endif
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}
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guint
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_clutter_double_to_uint (double val)
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{
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#ifdef CFX_NO_FAST_CONVERSIONS
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return (guint)(val);
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#else
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union
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{
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double d;
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@ -904,6 +915,7 @@ _clutter_double_to_uint (double val)
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dbl.d = val;
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dbl.d = dbl.d + _magic;
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return (dbl.i[0]) >> 16;
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#endif
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}
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#undef _CFX_MAN
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21
configure.ac
21
configure.ac
@ -299,6 +299,22 @@ fi
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AC_SUBST(CLUTTER_DEBUG_CFLAGS)
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dnl = Disable fast floating point conversions ==============================
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AC_ARG_ENABLE(fast-fp-conversions,
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AC_HELP_STRING([--disable-fast-fp-conversions=@<:@no/yes@:>@],
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[Turn off fast conversion from floating point to int. no: fast floating point conversion are enabled. yes: fast floating point conversions are disabled. @<:@default=no@:>@]),
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,
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enable_fast_fp_conversions=yes)
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if test "x$enable_fast_fp_conversions" = "xno"; then
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FIXED_POINT_CFLAGS="$FIXED_POINT_CFLAGS -DCFX_NO_FAST_CONVERSIONS"
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else
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FIXED_POINT_CFLAGS="$FIXED_POINT_CFLAGS -UCFX_NO_FAST_CONVERSIONS"
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fi
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AC_SUBST(FIXED_POINT_CFLAGS)
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dnl = GTK Doc check ========================================================
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GTK_DOC_CHECK([1.6])
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@ -328,7 +344,9 @@ dnl ========================================================================
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AC_SUBST(GCC_FLAGS)
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CLUTTER_CFLAGS="$SDL_CFLAGS $EGL_CFLAGS $GLX_CFLAGS $CLUTTER_DEPS_CFLAGS"
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CLUTTER_CFLAGS="$SDL_CFLAGS $EGL_CFLAGS $GLX_CFLAGS $CLUTTER_DEPS_CFLAGS \
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$FIXED_POINT_CFLAGS"
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CLUTTER_LIBS="$SDL_LIBS $EGL_LIBS $GLX_LIBS $CLUTTER_DEPS_LIBS"
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AC_SUBST(CLUTTER_CFLAGS)
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@ -368,6 +386,7 @@ echo ""
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echo " Flavour: ${clutterbackend}"
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echo " Target library: ${clutterbackendlib}"
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echo " Debug level: ${enable_debug}"
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echo " Fast FP conversions: ${enable_fast_fp_conversions}"
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echo " API Documentation: ${enable_gtk_doc}"
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echo " Manual Documentation: ${enable_manual}"
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echo " FPU: ${with_fpu}"
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