DRI trunk-20040721 importDRI-trunk-20040721import-1.1.3

1 files changed, 0 insertions, 114 deletions

diff --git a/src/atiutil.c b/src/atiutil.c
deleted file mode 100644
index e7bb412..0000000
--- a/src/atiutil.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atiutil.c,v 1.8 2003/01/01 19:16:34 tsi Exp $ */
-/*
- * Copyright 1997 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of Marc Aurele La France not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  Marc Aurele La France makes no representations
- * about the suitability of this software for any purpose.  It is provided
- * "as-is" without express or implied warranty.
- *
- * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO
- * EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "atiutil.h"
-
-/*
- * ATIReduceRatio --
- *
- * Reduce a fraction by factoring out the largest common divider of the
- * fraction's numerator and denominator.
- */
-void
-ATIReduceRatio
-(
-    int *Numerator,
-    int *Denominator
-)
-{
-    int Multiplier, Divider, Remainder;
-
-    Multiplier = *Numerator;
-    Divider = *Denominator;
-
-    while ((Remainder = Multiplier % Divider))
-    {
-        Multiplier = Divider;
-        Divider = Remainder;
-    }
-
-    *Numerator /= Divider;
-    *Denominator /= Divider;
-}
-
-/*
- * ATIDivide --
- *
- * Using integer arithmetic and avoiding overflows, this function finds the
- * rounded integer that best approximates
- *
- *         Numerator      Shift
- *        ----------- * 2
- *        Denominator
- *
- * using the specified rounding (floor (<0), nearest (=0) or ceiling (>0)).
- */
-int
-ATIDivide
-(
-    int       Numerator,
-    int       Denominator,
-    int       Shift,
-    const int RoundingKind
-)
-{
-    int Rounding = 0;                           /* Default to floor */
-
-#define MaxInt ((int)((unsigned int)(-1) >> 2))
-
-    ATIReduceRatio(&Numerator, &Denominator);
-
-    /* Deal with left shifts but try to keep the denominator even */
-    if (Denominator & 1)
-    {
-        if (Denominator <= MaxInt)
-        {
-            Denominator <<= 1;
-            Shift++;
-        }
-    }
-    else while ((Shift > 0) && !(Denominator & 3))
-    {
-        Denominator >>= 1;
-        Shift--;
-    }
-
-    /* Deal with right shifts */
-    while (Shift < 0)
-    {
-        if ((Numerator & 1) && (Denominator <= MaxInt))
-            Denominator <<= 1;
-        else
-            Numerator >>= 1;
-
-        Shift++;
-    }
-
-    if (!RoundingKind)                          /* Nearest */
-        Rounding = Denominator >> 1;
-    else if (RoundingKind > 0)                  /* Ceiling */
-        Rounding = Denominator - 1;
-
-    return ((Numerator / Denominator) << Shift) +
-            ((((Numerator % Denominator) << Shift) + Rounding) / Denominator);
-}