networkprotocolmodules/common/utils/src/netpmutils.cpp
branchGCC_SURGE
changeset 49 5f20f71a57a3
parent 41 ec40843d536a
parent 45 15a2125aa2f3
--- a/networkprotocolmodules/common/utils/src/netpmutils.cpp	Tue Jun 15 14:56:45 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,129 +0,0 @@
-// Copyright (c) 2008-2009 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:
-// System
-// 
-//
-
-/**
- @file
- @internalTechnology
- 
-*/
-
-#include <e32base.h>
-#include <e32math.h>
-
-// Component
-#include "netpmutils.h"
-
-/**
-Constants used in encoding of uncertainty data
-
-@see CSuplStart::Uncertainty()
-@see CSuplStart::UncertaintyAltitude()
-*/
-const TReal KLbsLogOnePointOne = 0.095310179804324860043952123280765;
-const TReal KLbsLogOnePointZeroTwoFive = 0.02469261259037150101430767543669;
-const TInt  KLbsMaxUncert = 127;
-
-/**
- * TODO: update asn1 code to use this version and delete the CSuplMessageBase version?
-Uncertainty()
-
-Converts a minumum accuracy value in meters to an uncertainty value K as 
-described in 3GPP 23.032 (Universal Geographical Area Description) section 6.2.
-
-r = C((1+x)^K - 1)
-
-where r = distance in meters
-      C = 10
-      x = 0.1
-      K = uncertainty value
-      
-hence K = ln(r/C + 1) / ln(1.1)
-
-@param aDistance - distance measurement in meters
-@return uncertainty value K
-*/
-EXPORT_C TInt NetPmUtils::Uncertainty(const TReal32& aDistance)
-	{
-	TReal uncert;
-	Math::Ln(uncert,  (aDistance/10) + 1 );
-	uncert /= KLbsLogOnePointOne;
-	if (uncert>KLbsMaxUncert)
-		{
-		uncert = KLbsMaxUncert;
-		}
-
-	// round to nearest whole number
-	TReal uncertRounded;
-	Math::Round(uncertRounded, uncert, 0);
-	
-	return (TInt)uncertRounded;
-	}
-
-
-/**
-UncertaintyAltitude()
-
-Converts a minumum accuracy value in meters to an uncertainty altitude value K as 
-described in 3GPP 23.032 (Universal Geographical Area Description) section 6.4.
-
-r = C((1+x)^K - 1)
-
-where r = distance in meters
-      C = 45
-      x = 0.1
-      K = uncertainty value
-      
-hence K = ln(r/C + 1) / ln(1.1)
-
-@param aDistance - altitude accuracy in meters
-@return uncertainty altitude value K
-*/
-EXPORT_C TInt NetPmUtils::UncertaintyAltitude(const TReal32& aDistance)
-	{
-	
-	TReal uncert;
-	Math::Ln(uncert,  (aDistance/45) + 1 );
-	uncert /= KLbsLogOnePointZeroTwoFive;
-	if (uncert>KLbsMaxUncert)
-		{
-		uncert = KLbsMaxUncert;
-		}
-	// round to nearest whole number
-	TReal uncertRounded;
-	Math::Round(uncertRounded, uncert, 0);
-	
-	return (TInt)uncertRounded;
-	}
-
-/**
-EncodeAltitude()
-
-Converts an value for altiutude to an 15 bit binary coded number N
-
-@param aAltitude - altitude in meters
-@return uncertainty altitude value K
-*/
-EXPORT_C TInt NetPmUtils::EncodeAltitude(const TReal32& aAltitude)
-	{
-	TInt altEncoded = (TInt)aAltitude;
-	if (altEncoded>KLbsMaxAltitude)
-		{
-		altEncoded = KLbsMaxAltitude;
-		}
-
-	return altEncoded;
-	}