--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/src/huifixmath.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,99 @@
+/*
+* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   ?Description
+*
+*/
+
+
+
+#include <e32cmn.h>
+#include "uiacceltk/huifixmath.h"
+
+
+static const TInt KFixPi_2 = 0x1921F;
+static const TInt KSinMagic = 0x78000;
+
+#define FIX_PT_BITS 16
+#define SWAP(x, y) {(x)^=(y);(y)^=(x);(x)^=(y);}
+
+
+EXPORT_C TInt HuiFixMath::FixSin(TInt aRadians)
+	{
+    if (aRadians < (-KFixPi*2) || aRadians > (KFixPi*2))
+        {
+        aRadians%=KFixPi*2;
+        }
+    
+    if (aRadians < -KFixPi_2)
+        {
+        aRadians+=2*KFixPi;
+        }
+
+    // PI/2 - PI
+    if (aRadians > KFixPi_2 && aRadians < KFixPi)
+        {
+        aRadians = KFixPi-aRadians;
+        }
+    // PI-PI*3/4
+    else if (aRadians >=KFixPi && aRadians < (KFixPi+KFixPi_2))    
+        {
+        aRadians = -(aRadians-KFixPi);
+        }
+    // PI3*/4-2PI
+    else if (aRadians >=(KFixPi+KFixPi_2) && aRadians <=2*KFixPi)
+        {
+        aRadians-=KFixPi*2;
+        }
+    else
+        {
+        // for PC lint
+        }
+
+    TInt64 value = aRadians;
+    value = (value*value*value);
+    value = (value / KSinMagic)>>FIX_PT_BITS;
+    return FixMul(aRadians-value,0xF2E0);
+	}
+
+EXPORT_C TInt HuiFixMath::FixCos(TInt aRadians)
+	{
+	return FixSin(KFixPi_2-aRadians);
+	}
+	
+EXPORT_C TUint HuiFixMath::FixHypot(TInt aVal1,TInt aVal2)
+    {
+    TUint64 r;    
+    TUint p = Abs(aVal1);
+    TUint q = Abs(aVal2);
+    if (q == 0)
+        {
+        return p;
+        }
+    if (p<q)
+        {
+        SWAP(p,q)
+        }
+    for (;;)
+        {
+        r = ((TUint64(q))<<FIX_PT_BITS)/p;
+        r = (r*r) >> FIX_PT_BITS;
+        if (r == 0)
+            {
+            return p;
+            }
+        r = (r<<FIX_PT_BITS)/(0x40000+r);
+        p = p + 2*TUint(((r*p)>>FIX_PT_BITS));
+        q = (TUint((q*r))) >> FIX_PT_BITS;
+        }
+    }