407 lines
10 KiB
C++
407 lines
10 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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* Copyright (C) 2016-2023 KiCad Developers, see AUTHORS.txt for contributors.
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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 <math/util.h>
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#include <core/kicad_algo.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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#include <locale_io.h>
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void SPICE_VALUE_FORMAT::FromString( const wxString& aString )
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{
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long val;
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aString.Left( 1 ).ToLong( &val );
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Precision = (int) val;
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Range = aString.Right( aString.Length() - 1 );
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}
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wxString SPICE_VALUE_FORMAT::ToString() const
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{
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return wxString::Format( wxS( "%d%s" ), alg::clamp( 0, Precision, 9 ), Range );
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}
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void SPICE_VALUE_FORMAT::UpdateUnits( const wxString& aUnits )
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{
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if( Range.GetChar( 0 ) == '~' )
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Range = Range.Left( 1 ) + aUnits;
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else if( SPICE_VALUE::ParseSIPrefix( Range.GetChar( 0 ) ) != SPICE_VALUE::PFX_NONE )
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Range = Range.Left( 1 ) + aUnits;
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else
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Range = aUnits;
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}
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SPICE_VALUE::SPICE_VALUE( const wxString& aString ) :
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m_base( 0.0 ),
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m_prefix( PFX_NONE ),
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m_spiceStr( false )
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{
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if( aString.IsEmpty() )
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return;
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char units[8] = { 0, };
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LOCALE_IO dummy; // Numeric values must be in "C" locale ('.' decimal separator)
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sscanf( (const char*) aString.c_str(), "%lf%7s", &m_base, units );
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if( *units == 0 )
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{
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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 = units; *bufPtr; ++bufPtr )
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*bufPtr = tolower( *bufPtr );
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if( strcmp( units, "meg" ) == 0 )
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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( units[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: m_prefix = PFX_NONE; break;
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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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if( m_prefix == PFX_TERA ) // this is the biggest unit available
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break;
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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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if( m_prefix == PFX_FEMTO ) // this is the smallest unit available
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break;
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}
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}
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wxString spice_prefix( SPICE_VALUE::UNIT_PREFIX aPrefix )
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{
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switch( aPrefix )
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{
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case SPICE_VALUE::PFX_FEMTO: return wxT( "f" );
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case SPICE_VALUE::PFX_PICO: return wxT( "p" );
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case SPICE_VALUE::PFX_NANO: return wxT( "n" );
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case SPICE_VALUE::PFX_MICRO: return wxT( "u" );
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case SPICE_VALUE::PFX_MILI: return wxT( "m" );
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case SPICE_VALUE::PFX_NONE: return wxEmptyString;
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case SPICE_VALUE::PFX_KILO: return wxT( "k" );
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case SPICE_VALUE::PFX_MEGA: return wxT( "Meg" );
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case SPICE_VALUE::PFX_GIGA: return wxT( "G" );
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case SPICE_VALUE::PFX_TERA: return wxT( "T" );
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}
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return wxEmptyString;
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}
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wxString si_prefix( SPICE_VALUE::UNIT_PREFIX aPrefix )
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{
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switch( aPrefix )
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{
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case SPICE_VALUE::PFX_FEMTO: return wxT( "f" );
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case SPICE_VALUE::PFX_PICO: return wxT( "p" );
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case SPICE_VALUE::PFX_NANO: return wxT( "n" );
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case SPICE_VALUE::PFX_MICRO: return wxT( "u" );
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case SPICE_VALUE::PFX_MILI: return wxT( "m" );
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case SPICE_VALUE::PFX_NONE: return wxEmptyString;
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case SPICE_VALUE::PFX_KILO: return wxT( "K" );
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case SPICE_VALUE::PFX_MEGA: return wxT( "M" );
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case SPICE_VALUE::PFX_GIGA: return wxT( "G" );
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case SPICE_VALUE::PFX_TERA: return wxT( "T" );
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}
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return wxEmptyString;
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}
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SPICE_VALUE::UNIT_PREFIX SPICE_VALUE::ParseSIPrefix( wxChar c )
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{
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switch( c )
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{
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case 'f': return SPICE_VALUE::PFX_FEMTO;
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case 'p': return SPICE_VALUE::PFX_PICO;
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case 'n': return SPICE_VALUE::PFX_NANO;
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case 'u': return SPICE_VALUE::PFX_MICRO;
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case 'm': return SPICE_VALUE::PFX_MILI;
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case 'K': return SPICE_VALUE::PFX_KILO;
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case 'M': return SPICE_VALUE::PFX_MEGA;
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case 'G': return SPICE_VALUE::PFX_GIGA;
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case 'T': return SPICE_VALUE::PFX_TERA;
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default: return SPICE_VALUE::PFX_NONE;
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}
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}
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double SPICE_VALUE::ToNormalizedDouble( wxString* aPrefix )
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{
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Normalize();
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*aPrefix = spice_prefix( m_prefix );
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return m_base;
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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::ToString( const SPICE_VALUE_FORMAT& aFormat )
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{
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wxString range( aFormat.Range );
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if( range.StartsWith( wxS( "~" ) ) )
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{
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Normalize();
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range = si_prefix( m_prefix ) + range.Right( range.Length() - 1 );
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}
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else
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{
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SPICE_VALUE::UNIT_PREFIX rangePrefix = ParseSIPrefix( range[0] );
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m_base = m_base * std::pow( 10, m_prefix - rangePrefix );
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m_prefix = rangePrefix;
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}
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double mantissa = m_base;
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int scale = 0;
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while( std::fabs( mantissa ) >= 10.0 )
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{
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mantissa *= 0.1;
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scale += 1;
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}
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while( mantissa != 0.0 && std::fabs( mantissa ) < 1.0 )
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{
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mantissa *= 10;
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scale -= 1;
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}
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mantissa = KiROUND( mantissa * std::pow( 10, aFormat.Precision - 1 ) );
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mantissa *= std::pow( 10, scale - aFormat.Precision + 1 );
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wxString res = wxString::FromCDouble( mantissa, std::max( 0, aFormat.Precision - scale - 1 ) );
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return res + range;
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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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res += spice_prefix( m_prefix );
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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, wxString::Format( _( "'%s' is not a valid Spice value." ),
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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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