81c9b0506c
* contrib/*
* Deleted 'www.' from harbour-project.org website name.
(www.harbour-project.org -> harbour-project.org)
152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* CT3 Number and bit manipulation functions: - FTOC()
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* - CTOF()
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*
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* Copyright 2002 Walter Negro - FOEESITRA" <waltern@foeesitra.org.ar>
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* www - http://harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "ct.h"
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/* $DOC$
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* $FUNCNAME$
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* FTOC()
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* $CATEGORY$
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* CT3 number and bit manipulation functions
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* $ONELINER$
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* $SYNTAX$
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* FTOC( <nFloatingPointNumber> ) --> cFloatingPointNumber
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*
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* $ARGUMENTS$
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* <nFloatingPointNumber> Designate any Harbour number.
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*
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* $RETURNS$
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* FTOC() return a string with the size of DOUBLE.
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* ATTENTION: different implementations or platforms of Harbour, they
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* could produce different format in the string returned by FTOC().
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*
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* $DESCRIPTION$
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* Harbour internal numbers in Floating Point are stored in data type
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* DOUBLE. FTOC() returns these bits as an string. In this way,
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* numbers con be saved more compactly.
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*
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* TODO: add documentation
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* $EXAMPLES$
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* $TESTS$
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* $STATUS$
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* Started
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* $COMPLIANCE$
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* $PLATFORMS$
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* All
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* $FILES$
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* Source is ftoc.c, library is libct.
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* $SEEALSO$
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* CTOF(), XTOC()
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* $END$
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*/
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HB_FUNC( FTOC )
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{
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char buf[ sizeof( double ) ];
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double d = hb_parnd( 1 );
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HB_PUT_LE_DOUBLE( buf, d );
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hb_retclen( buf, sizeof( buf ) );
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}
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/* $DOC$
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* $FUNCNAME$
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* CTOF()
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* $CATEGORY$
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* CT3 number and bit manipulation functions
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* $ONELINER$
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* $SYNTAX$
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* CTOF( <cFloatingPointNumber> ) --> nFloatingPointNumber
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*
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* $ARGUMENTS$
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* <cFloatingPointNumber> Designate a string that contains a Harbour
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* number in flotaing point format.
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* ATTENTION: different implementations or platforms of Harbour, they
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* could produce different format in the string returned by FTOC().
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*
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* $RETURNS$
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* CTOF() return the floating point number that corresponds to the
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* string passed.
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*
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* $DESCRIPTION$
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* Character strings created with FTOC() or XTOC() are convert into
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* Harbour floating point number
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*
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* TODO: add documentation
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* $EXAMPLES$
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* $TESTS$
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* $STATUS$
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* Started
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* $COMPLIANCE$
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* $PLATFORMS$
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* All
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* $FILES$
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* Source is ftoc.c, library is libct.
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* $SEEALSO$
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* FTOC(), XTOC()
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* $END$
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*/
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HB_FUNC( CTOF )
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{
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if( hb_parclen( 1 ) >= sizeof( double ) )
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{
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const char * buf = hb_parc( 1 );
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hb_retnd( HB_GET_LE_DOUBLE( buf ) );
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}
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else
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hb_retnd( 0.0 );
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}
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