genericopenlibs/openenvcore/libc/src/strtof.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 04 Oct 2010 02:56:42 +0300
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// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Name         : strtof.cpp
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// Part of      : MRT
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// Implementation for wcpcpy API
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// Version      : 1.0
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//
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#include <e32math.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <math.h>
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extern "C" {
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EXPORT_C float strtof(const char* s, char** tail)
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{
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	double d ;
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	d = strtod(s, tail);
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	if ( d > KMaxTReal32 )
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	{
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		errno = ERANGE;
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		return -HUGE_VALF ;
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	}
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	if ( d < 0.0)
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	{
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		d *= -1;
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		if (d < KMinTReal32)
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		{
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			errno = ERANGE;
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			return HUGE_VALF ;
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		}
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		d *= -1;
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	}		
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		return d;
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}
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} //extern "C"