280 lines
7.0 KiB
C++
280 lines
7.0 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2016 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) 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 program; if not, you may find one here:
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* https://www.gnu.org/licenses/gpl-3.0.html
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* or you may search the http://www.gnu.org website for the version 3 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "spice_value.h"
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#include <stdexcept>
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#include <cmath>
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#include <wx/textentry.h>
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#include <wx/numformatter.h>
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#include <confirm.h>
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#include <common.h>
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SPICE_VALUE::SPICE_VALUE( const wxString& aString )
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{
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char buf[8] = { 0, };
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if( aString.IsEmpty() )
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throw std::invalid_argument( "Spice value cannot be empty" );
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LOCALE_IO dummy; // All numeric values should be in "C" locale(decimal separator = .)
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if( sscanf( (const char*) aString.c_str(), "%lf%7s", &m_base, buf ) == 0 )
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throw std::invalid_argument( "Invalid Spice value string" );
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if( *buf == 0 )
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{
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m_prefix = PFX_NONE;
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m_spiceStr = false;
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Normalize();
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return;
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}
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m_spiceStr = true;
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for( char* bufPtr = buf; *bufPtr; ++bufPtr )
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*bufPtr = tolower( *bufPtr );
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if( !strcmp( buf, "meg" ) )
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{
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m_prefix = PFX_MEGA;
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}
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else
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{
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switch( buf[0] )
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{
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case 'f': m_prefix = PFX_FEMTO; break;
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case 'p': m_prefix = PFX_PICO; break;
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case 'n': m_prefix = PFX_NANO; break;
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case 'u': m_prefix = PFX_MICRO; break;
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case 'm': m_prefix = PFX_MILI; break;
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case 'k': m_prefix = PFX_KILO; break;
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case 'g': m_prefix = PFX_GIGA; break;
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case 't': m_prefix = PFX_TERA; break;
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default:
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throw std::invalid_argument( "Invalid unit prefix" );
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}
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}
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Normalize();
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}
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void SPICE_VALUE::Normalize()
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{
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while( std::fabs( m_base ) >= 1000.0 )
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{
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m_base *= 0.001;
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m_prefix = (UNIT_PREFIX)( m_prefix + 3 );
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}
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while( m_base != 0.0 && std::fabs( m_base ) < 1.000 )
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{
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m_base *= 1000.0;
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m_prefix = (UNIT_PREFIX)( m_prefix - 3 );
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}
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}
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double SPICE_VALUE::ToDouble() const
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{
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double res = m_base;
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if( m_prefix != PFX_NONE )
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res *= std::pow( 10, (int) m_prefix );
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return res;
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}
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wxString SPICE_VALUE::ToString() const
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{
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wxString res( wxString::Format( "%.3f", ToDouble() ) );
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stripZeros( res );
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return res;
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}
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wxString SPICE_VALUE::ToSpiceString() const
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{
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wxString res = wxString::FromCDouble( m_base );
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stripZeros( res );
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switch( m_prefix )
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{
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case PFX_FEMTO: res += "f"; break;
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case PFX_PICO: res += "p"; break;
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case PFX_NANO: res += "n"; break;
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case PFX_MICRO: res += "u"; break;
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case PFX_MILI: res += "m"; break;
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case PFX_NONE: break;
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case PFX_KILO: res += "k"; break;
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case PFX_MEGA: res += "Meg"; break;
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case PFX_GIGA: res += "G"; break;
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case PFX_TERA: res += "T"; break;
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}
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return res;
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}
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SPICE_VALUE SPICE_VALUE::operator+( const SPICE_VALUE& aOther ) const
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{
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int prefixDiff = m_prefix - aOther.m_prefix;
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SPICE_VALUE res;
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res.m_spiceStr = m_spiceStr || aOther.m_spiceStr;
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// Convert both numbers to a common prefix
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if( prefixDiff > 0 )
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{
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// Switch to the aOther prefix
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res.m_base = ( m_base * std::pow( 10, prefixDiff ) ) + aOther.m_base;
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res.m_prefix = aOther.m_prefix;
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}
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else if( prefixDiff < 0 )
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{
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// Use the current prefix
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res.m_base = m_base + ( aOther.m_base * std::pow( 10, -prefixDiff ) );
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res.m_prefix = m_prefix;
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}
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else
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{
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res.m_base = m_base + aOther.m_base;
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res.m_prefix = m_prefix; // == aOther.m_prefix
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}
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res.Normalize();
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return res;
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}
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SPICE_VALUE SPICE_VALUE::operator-( const SPICE_VALUE& aOther ) const
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{
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int prefixDiff = m_prefix - aOther.m_prefix;
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SPICE_VALUE res;
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res.m_spiceStr = m_spiceStr || aOther.m_spiceStr;
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// Convert both numbers to a common prefix
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if( prefixDiff > 0 )
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{
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// Switch to the aOther prefix
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res.m_base = m_base * std::pow( 10, prefixDiff ) - aOther.m_base;
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res.m_prefix = aOther.m_prefix;
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}
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else if( prefixDiff < 0 )
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{
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// Use the current prefix
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res.m_base = m_base - aOther.m_base * std::pow( 10, -prefixDiff );
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res.m_prefix = m_prefix;
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}
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else
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{
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res.m_base = m_base - aOther.m_base;
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res.m_prefix = m_prefix; // == aOther.m_prefix
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}
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res.Normalize();
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return res;
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}
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SPICE_VALUE SPICE_VALUE::operator*( const SPICE_VALUE& aOther ) const
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{
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SPICE_VALUE res( m_base * aOther.m_base, (UNIT_PREFIX)( m_prefix + aOther.m_prefix ) );
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res.m_spiceStr = m_spiceStr || aOther.m_spiceStr;
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res.Normalize();
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return res;
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}
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SPICE_VALUE SPICE_VALUE::operator/( const SPICE_VALUE& aOther ) const
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{
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SPICE_VALUE res( m_base / aOther.m_base, (UNIT_PREFIX)( m_prefix - aOther.m_prefix ) );
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res.m_spiceStr = m_spiceStr || aOther.m_spiceStr;
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res.Normalize();
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return res;
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}
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void SPICE_VALUE::stripZeros( wxString& aString )
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{
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if ( aString.Find( ',' ) >= 0 || aString.Find( '.' ) >= 0 )
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{
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while( aString.EndsWith( '0' ) )
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aString.RemoveLast();
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if( aString.EndsWith( '.' ) || aString.EndsWith( ',' ) )
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aString.RemoveLast();
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}
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}
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bool SPICE_VALIDATOR::Validate( wxWindow* aParent )
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{
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wxTextEntry* const text = GetTextEntry();
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if( !text )
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return false;
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if( text->IsEmpty() )
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{
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if( m_emptyAllowed )
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return true;
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DisplayError( aParent, wxString::Format( _( "Please, fill required fields" ) ) );
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return false;
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}
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wxString svalue = text->GetValue();
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// In countries where the decimal separator is not a point, if the user
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// has not used a point, replace the decimal separator by the point, as needed
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// by spice simulator which uses the "C" decimal separator
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svalue.Replace(",", "." );
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try
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{
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// If SPICE_VALUE can be constructed, then it is a valid Spice value
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SPICE_VALUE val( svalue );
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}
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catch( ... )
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{
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DisplayError( aParent,
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wxString::Format( _( "'%s' is not a valid Spice value" ), text->GetValue() ) );
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return false;
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}
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if( svalue != text->GetValue() )
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text->SetValue( svalue );
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return true;
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}
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