2014-04-25 14:58:14 +02:00
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/***************************************************************************************************
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**
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2015-02-27 11:21:09 +01:00
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** Copyright (C) 2013 Ingo Berg
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2014-04-25 14:58:14 +02:00
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**
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** Permission is hereby granted, free of charge, to any person obtaining a copy of this
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** software and associated documentation files (the "Software"), to deal in the Software
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** without restriction, including without limitation the rights to use, copy, modify,
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** merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is furnished to do so, subject to the following conditions:
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**
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** The above copyright notice and this permission notice shall be included in all copies or
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** substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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** NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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******************************************************************************************************/
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#include "qmuparser.h"
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2014-06-08 20:10:57 +02:00
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2015-10-12 14:25:44 +02:00
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#include <QCoreApplication>
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2017-11-13 09:53:27 +01:00
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#include <QLineF>
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2016-08-08 13:44:49 +02:00
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#include <QtGlobal>
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#include <sstream>
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#include <string>
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2020-11-20 12:18:38 +01:00
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#include <QtDebug>
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2022-08-17 09:01:51 +02:00
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#include <QtMath>
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2016-08-08 13:44:49 +02:00
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#include "qmuparsererror.h"
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2017-11-13 11:59:25 +01:00
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#include "../vmisc/defglobal.h"
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2022-08-17 09:01:51 +02:00
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#include "qmudef.h"
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2014-04-25 14:58:14 +02:00
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2014-04-30 07:32:29 +02:00
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/**
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* @file
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* @brief Implementation of the standard floating point QmuParser.
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*/
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2014-04-25 14:58:14 +02:00
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2017-11-13 09:53:27 +01:00
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namespace
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{
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief CSR calcs special modeling case.
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2017-11-13 10:50:09 +01:00
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* According to case we cut a piece with @p length, split up on distance @p split and rotate splited piece on
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* angle that will create arc with length @p arcLength.
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2017-11-13 09:53:27 +01:00
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* @param length length of cut line
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* @param split distance between two pieces
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* @param arcLength length of arc that create two pieces after rotation
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* @return an angle the second piece should be rotated
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*/
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qreal CSR(qreal length, qreal split, qreal arcLength)
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{
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length = qAbs(length);
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arcLength = qAbs(arcLength);
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if (qFuzzyIsNull(length) || qFuzzyIsNull(split) || qFuzzyIsNull(arcLength))
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{
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return 0;
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}
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const qreal sign = std::copysign(1.0, split);
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const QLineF line(QPointF(0, 0), QPointF(0, length));
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QLineF tmp = line;
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tmp.setAngle(tmp.angle()+90.0*sign);
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tmp.setLength(split);
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QPointF p1 = tmp.p2();
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tmp = QLineF(QPointF(0, length), QPointF(0, 0));
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tmp.setAngle(tmp.angle()-90.0*sign);
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tmp.setLength(split);
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QPointF p2 = tmp.p2();
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const QLineF line2(p1, p2);
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qreal angle = 180;
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qreal arcL = INT_MAX;
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do
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{
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if (arcL > arcLength)
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{
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angle = angle - angle/2.0;
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}
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else if (arcL < arcLength)
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{
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angle = angle + angle/2.0;
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}
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else
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{
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return angle;
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}
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2017-11-21 10:03:37 +01:00
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if (angle < 0.00001 || angle >= 360)
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2017-11-13 09:53:27 +01:00
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{
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return 0;
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}
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tmp = line2;
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tmp.setAngle(tmp.angle()+angle*sign);
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QPointF crosPoint;
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2020-01-06 17:34:35 +01:00
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#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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const auto type = line.intersects(tmp, &crosPoint);
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#else
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2017-11-13 09:53:27 +01:00
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const auto type = line.intersect(tmp, &crosPoint);
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2020-01-06 17:34:35 +01:00
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#endif
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2017-11-13 09:53:27 +01:00
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if (type == QLineF::NoIntersection)
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{
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return 0;
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}
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QLineF radius(crosPoint, tmp.p2());
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const qreal arcAngle = sign > 0 ? line.angleTo(radius): radius.angleTo(line);
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arcL = (M_PI*radius.length())/180.0 * arcAngle;
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}
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2018-09-27 13:52:21 +02:00
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while(qAbs(arcL - arcLength) > (0.5/*mm*/ / 25.4) * PrintDPI);
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2017-11-13 09:53:27 +01:00
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return angle;
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}
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}
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2014-04-30 07:32:29 +02:00
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/**
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* @brief Namespace for mathematical applications.
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*/
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2014-04-25 14:58:14 +02:00
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namespace qmu
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{
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2015-05-14 18:19:23 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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2014-04-30 07:32:29 +02:00
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// Trigonometric function
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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qreal QmuParser::DegreeToRadian(qreal deg)
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{
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2017-02-27 22:03:07 +01:00
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return qDegreesToRadians(deg);
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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qreal QmuParser::RadianToDegree(qreal rad)
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{
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2017-02-27 22:03:07 +01:00
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return qRadiansToDegrees(rad);
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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2014-04-30 07:32:29 +02:00
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qreal QmuParser::Sinh(qreal v)
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{
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2014-05-01 13:33:40 +02:00
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return sinh(v);
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2014-04-30 07:32:29 +02:00
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}
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2015-05-14 18:19:23 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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2014-04-30 07:32:29 +02:00
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qreal QmuParser::ASinh(qreal v)
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{
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2014-05-01 13:33:40 +02:00
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return log(v + qSqrt(v * v + 1));
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2014-04-30 07:32:29 +02:00
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}
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2015-05-14 18:19:23 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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2017-04-14 17:42:49 +02:00
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qreal QmuParser::Cosh(qreal v)
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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{
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2017-04-14 17:42:49 +02:00
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return cosh(v);
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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2017-04-14 17:42:49 +02:00
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qreal QmuParser::ACosh(qreal v)
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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{
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2017-04-14 17:42:49 +02:00
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return log(v + qSqrt(v * v - 1));
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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2017-04-14 17:42:49 +02:00
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qreal QmuParser::Tanh(qreal v)
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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{
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2017-04-14 17:42:49 +02:00
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return tanh(v);
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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2017-04-14 17:42:49 +02:00
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qreal QmuParser::ATanh(qreal v)
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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{
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2017-04-14 17:42:49 +02:00
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return (0.5 * log((1 + v) / (1 - v)));
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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qreal QmuParser::SinD(qreal v)
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{
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2017-04-14 17:42:49 +02:00
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return qSin(qDegreesToRadians(v));
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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qreal QmuParser::ASinD(qreal v)
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{
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2019-09-09 17:47:16 +02:00
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return qRadiansToDegrees(qAsin(v));
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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qreal QmuParser::CosD(qreal v)
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{
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2017-04-14 17:42:49 +02:00
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return qCos(qDegreesToRadians(v));
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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qreal QmuParser::ACosD(qreal v)
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{
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2019-09-09 17:47:16 +02:00
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return qRadiansToDegrees(qAcos(v));
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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qreal QmuParser::TanD(qreal v)
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{
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2017-04-14 17:42:49 +02:00
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return qTan(qDegreesToRadians(v));
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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//---------------------------------------------------------------------------------------------------------------------
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qreal QmuParser::ATanD(qreal v)
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{
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2019-09-09 17:47:16 +02:00
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return qRadiansToDegrees(qAtan(v));
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qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
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}
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2014-05-01 13:33:40 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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2014-04-30 07:32:29 +02:00
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// Logarithm functions
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2015-05-14 18:19:23 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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2014-04-30 07:32:29 +02:00
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// Logarithm base 2
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qreal QmuParser::Log2(qreal v)
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{
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#ifdef MUP_MATH_EXCEPTIONS
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2014-05-01 13:33:40 +02:00
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if (v<=0)
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{
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throw QmuParserError(ecDOMAIN_ERROR, "Log2");
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}
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2014-04-30 07:32:29 +02:00
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#endif
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2014-05-01 13:33:40 +02:00
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return log(v)/log(2.0);
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2014-04-30 07:32:29 +02:00
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}
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2015-05-14 18:19:23 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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2014-04-30 07:32:29 +02:00
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// Logarithm base 10
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qreal QmuParser::Log10(qreal v)
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{
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#ifdef MUP_MATH_EXCEPTIONS
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2014-05-01 13:33:40 +02:00
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if (v<=0)
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{
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throw QmuParserError(ecDOMAIN_ERROR, "Log10");
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}
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2014-04-30 07:32:29 +02:00
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#endif
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2014-05-01 13:33:40 +02:00
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return log10(v);
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2014-04-30 07:32:29 +02:00
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}
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2014-05-01 13:33:40 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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2014-04-30 07:32:29 +02:00
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// misc
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qreal QmuParser::Abs(qreal v)
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{
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2014-05-01 13:33:40 +02:00
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return qAbs(v);
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2014-04-30 07:32:29 +02:00
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}
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2015-05-14 18:19:23 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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2014-04-30 07:32:29 +02:00
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qreal QmuParser::Rint(qreal v)
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{
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2014-05-01 13:33:40 +02:00
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return qFloor(v + 0.5);
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2014-04-30 07:32:29 +02:00
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}
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2017-09-29 16:47:11 +02:00
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//---------------------------------------------------------------------------------------------------------------------
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qreal QmuParser::R2CM(qreal v)
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{
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return Rint(v*10.0)/10.0;
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}
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|
|
2017-11-13 09:53:27 +01:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
qreal QmuParser::CSRCm(qreal length, qreal split, qreal arcLength)
|
|
|
|
{
|
2018-09-27 13:52:21 +02:00
|
|
|
length = ((length * 10.0) / 25.4) * PrintDPI;
|
|
|
|
split = ((split * 10.0) / 25.4) * PrintDPI;
|
|
|
|
arcLength = ((arcLength * 10.0) / 25.4) * PrintDPI;
|
2017-11-13 09:53:27 +01:00
|
|
|
|
|
|
|
return CSR(length, split, arcLength);
|
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
qreal QmuParser::CSRInch(qreal length, qreal split, qreal arcLength)
|
|
|
|
{
|
2018-09-27 13:52:21 +02:00
|
|
|
length = length * PrintDPI;
|
|
|
|
split = split * PrintDPI;
|
|
|
|
arcLength = arcLength * PrintDPI;
|
2017-11-13 09:53:27 +01:00
|
|
|
|
|
|
|
return CSR(length, split, arcLength);
|
|
|
|
}
|
|
|
|
|
2015-05-14 18:19:23 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
qreal QmuParser::Sign(qreal v)
|
|
|
|
{
|
2014-05-01 13:33:40 +02:00
|
|
|
return ((v<0) ? -1 : (v>0) ? 1 : 0);
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
|
|
|
|
2015-05-14 18:19:23 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
|
|
qreal QmuParser::FMod(qreal number, qreal denom)
|
|
|
|
{
|
|
|
|
return fmod(number, denom);
|
|
|
|
}
|
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Callback for adding multiple values.
|
|
|
|
* @param [in] a_afArg Vector with the function arguments
|
|
|
|
* @param [in] a_iArgc The size of a_afArg
|
|
|
|
*/
|
2023-02-09 16:23:11 +01:00
|
|
|
qreal QmuParser::Sum(const qreal *a_afArg, qmusizetype a_iArgc)
|
2014-04-30 07:32:29 +02:00
|
|
|
{
|
2015-10-12 13:52:48 +02:00
|
|
|
if (a_iArgc == 0)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
2015-10-12 14:25:44 +02:00
|
|
|
throw QmuParserError(QCoreApplication::translate("QmuParser", "too few arguments for function sum.",
|
|
|
|
"parser error message"));
|
2014-05-01 13:33:40 +02:00
|
|
|
}
|
|
|
|
qreal fRes=0;
|
|
|
|
for (int i=0; i<a_iArgc; ++i)
|
|
|
|
{
|
|
|
|
fRes += a_afArg[i];
|
|
|
|
}
|
|
|
|
return fRes;
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Callback for averaging multiple values.
|
|
|
|
* @param [in] a_afArg Vector with the function arguments
|
|
|
|
* @param [in] a_iArgc The size of a_afArg
|
|
|
|
*/
|
2023-02-09 16:23:11 +01:00
|
|
|
qreal QmuParser::Avg(const qreal *a_afArg, qmusizetype a_iArgc)
|
2014-04-30 07:32:29 +02:00
|
|
|
{
|
2015-10-12 13:52:48 +02:00
|
|
|
if (a_iArgc == 0)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
2015-10-12 14:25:44 +02:00
|
|
|
throw QmuParserError(QCoreApplication::translate("QmuParser", "too few arguments for function sum.",
|
|
|
|
"parser error message"));
|
2014-05-01 13:33:40 +02:00
|
|
|
}
|
|
|
|
qreal fRes=0;
|
|
|
|
for (int i=0; i<a_iArgc; ++i)
|
|
|
|
{
|
|
|
|
fRes += a_afArg[i];
|
|
|
|
}
|
|
|
|
return fRes/static_cast<qreal>(a_iArgc);
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Callback for determining the minimum value out of a vector.
|
|
|
|
* @param [in] a_afArg Vector with the function arguments
|
|
|
|
* @param [in] a_iArgc The size of a_afArg
|
|
|
|
*/
|
2023-02-09 16:23:11 +01:00
|
|
|
qreal QmuParser::Min(const qreal *a_afArg, qmusizetype a_iArgc)
|
2014-04-26 09:23:50 +02:00
|
|
|
{
|
2015-10-12 13:52:48 +02:00
|
|
|
if (a_iArgc == 0)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
2015-10-12 14:25:44 +02:00
|
|
|
throw QmuParserError(QCoreApplication::translate("QmuParser", "too few arguments for function min.",
|
|
|
|
"parser error message"));
|
2014-05-01 13:33:40 +02:00
|
|
|
}
|
|
|
|
qreal fRes=a_afArg[0];
|
|
|
|
for (int i=0; i<a_iArgc; ++i)
|
|
|
|
{
|
|
|
|
fRes = qMin(fRes, a_afArg[i]);
|
|
|
|
}
|
|
|
|
return fRes;
|
2014-04-26 09:23:50 +02:00
|
|
|
}
|
2014-04-25 14:58:14 +02:00
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Callback for determining the maximum value out of a vector.
|
|
|
|
* @param [in] a_afArg Vector with the function arguments
|
|
|
|
* @param [in] a_iArgc The size of a_afArg
|
|
|
|
*/
|
2023-02-09 16:23:11 +01:00
|
|
|
qreal QmuParser::Max(const qreal *a_afArg, qmusizetype a_iArgc)
|
2014-04-26 09:23:50 +02:00
|
|
|
{
|
2015-10-12 13:52:48 +02:00
|
|
|
if (a_iArgc == 0)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
2015-10-12 14:25:44 +02:00
|
|
|
throw QmuParserError(QCoreApplication::translate("QmuParser", "too few arguments for function min.",
|
|
|
|
"parser error message"));
|
2014-05-01 13:33:40 +02:00
|
|
|
}
|
|
|
|
qreal fRes=a_afArg[0];
|
|
|
|
for (int i=0; i<a_iArgc; ++i)
|
|
|
|
{
|
|
|
|
fRes = qMax(fRes, a_afArg[i]);
|
|
|
|
}
|
|
|
|
return fRes;
|
2014-04-26 09:23:50 +02:00
|
|
|
}
|
2014-04-25 14:58:14 +02:00
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Default value recognition callback.
|
|
|
|
* @param [in] a_szExpr Pointer to the expression
|
|
|
|
* @param [in, out] a_iPos Pointer to an index storing the current position within the expression
|
|
|
|
* @param [out] a_fVal Pointer where the value should be stored in case one is found.
|
|
|
|
* @return 1 if a value was found 0 otherwise.
|
|
|
|
*/
|
2023-02-09 16:23:11 +01:00
|
|
|
int QmuParser::IsVal(const QString &a_szExpr, qmusizetype *a_iPos, qreal *a_fVal, const QLocale &locale, bool cNumbers,
|
2019-10-30 10:34:01 +01:00
|
|
|
const QChar &decimal, const QChar &thousand)
|
2014-04-30 07:32:29 +02:00
|
|
|
{
|
2014-05-01 13:33:40 +02:00
|
|
|
qreal fVal(0);
|
|
|
|
|
2023-02-09 16:23:11 +01:00
|
|
|
qmusizetype pos = ReadVal(a_szExpr, fVal, locale != QLocale::c() && cNumbers ? QLocale::c() : locale, decimal,
|
|
|
|
thousand);
|
2014-05-01 13:33:40 +02:00
|
|
|
|
2017-01-03 10:14:32 +01:00
|
|
|
if (pos == -1)
|
2014-05-01 13:33:40 +02:00
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2017-01-03 10:14:32 +01:00
|
|
|
*a_iPos += pos;
|
2014-05-01 13:33:40 +02:00
|
|
|
*a_fVal = fVal;
|
|
|
|
return 1;
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
2014-04-25 14:58:14 +02:00
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Constructor.
|
|
|
|
*
|
|
|
|
* Call QmuParserBase class constructor and trigger Function, Operator and Constant initialization.
|
|
|
|
*/
|
|
|
|
QmuParser::QmuParser():QmuParserBase()
|
|
|
|
{
|
2014-05-01 13:33:40 +02:00
|
|
|
AddValIdent(IsVal);
|
2014-04-30 07:32:29 +02:00
|
|
|
|
2020-11-20 12:18:38 +01:00
|
|
|
Init();
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Define the character sets.
|
|
|
|
* @sa DefineNameChars, DefineOprtChars, DefineInfixOprtChars
|
|
|
|
*
|
|
|
|
* This function is used for initializing the default character sets that define
|
|
|
|
* the characters to be useable in function and variable names and operators.
|
|
|
|
*/
|
|
|
|
void QmuParser::InitCharSets()
|
|
|
|
{
|
2014-05-30 10:32:40 +02:00
|
|
|
DefineNameChars( QStringLiteral("0123456789_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") );
|
|
|
|
DefineOprtChars( QStringLiteral("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ+-*^/?<>=#!$%&|~'_{}") );
|
|
|
|
DefineInfixOprtChars( QStringLiteral("/+-*^?<>=#!$%&|~'_") );
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Initialize the default functions.
|
|
|
|
*/
|
2014-04-26 09:23:50 +02:00
|
|
|
void QmuParser::InitFun()
|
|
|
|
{
|
qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
|
|
|
// trigonometric helper functions
|
2018-04-22 17:32:55 +02:00
|
|
|
DefineFun(QStringLiteral("degTorad"), DegreeToRadian);
|
|
|
|
DefineFun(QStringLiteral("radTodeg"), RadianToDegree);
|
qmuparser: added triangular functions that work with degree
new functions are: degTorad, radTodeg, , sinD, cosD, tanD, asinD, acosD , atanD, sinhD, coshD , tanhD, asinhD, acoshD, atanhD
--HG--
branch : feature
2017-02-27 20:42:35 +01:00
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
// trigonometric functions
|
2018-04-22 17:32:55 +02:00
|
|
|
DefineFun(QStringLiteral("sin"), qSin);
|
|
|
|
DefineFun(QStringLiteral("cos"), qCos);
|
|
|
|
DefineFun(QStringLiteral("tan"), qTan);
|
|
|
|
DefineFun(QStringLiteral("sinD"), SinD);
|
|
|
|
DefineFun(QStringLiteral("cosD"), CosD);
|
|
|
|
DefineFun(QStringLiteral("tanD"), TanD);
|
2014-05-01 13:33:40 +02:00
|
|
|
// arcus functions
|
2018-04-22 17:32:55 +02:00
|
|
|
DefineFun(QStringLiteral("asin"), qAsin);
|
|
|
|
DefineFun(QStringLiteral("acos"), qAcos);
|
|
|
|
DefineFun(QStringLiteral("atan"), qAtan);
|
|
|
|
DefineFun(QStringLiteral("atan2"), qAtan2);
|
|
|
|
DefineFun(QStringLiteral("asinD"), ASinD);
|
|
|
|
DefineFun(QStringLiteral("acosD"), ACosD);
|
|
|
|
DefineFun(QStringLiteral("atanD"), ATanD);
|
2014-05-01 13:33:40 +02:00
|
|
|
// hyperbolic functions
|
2018-04-22 17:32:55 +02:00
|
|
|
DefineFun(QStringLiteral("sinh"), Sinh);
|
|
|
|
DefineFun(QStringLiteral("cosh"), Cosh);
|
|
|
|
DefineFun(QStringLiteral("tanh"), Tanh);
|
2014-05-01 13:33:40 +02:00
|
|
|
// arcus hyperbolic functions
|
2018-04-22 17:32:55 +02:00
|
|
|
DefineFun(QStringLiteral("asinh"), ASinh);
|
|
|
|
DefineFun(QStringLiteral("acosh"), ACosh);
|
|
|
|
DefineFun(QStringLiteral("atanh"), ATanh);
|
2014-05-01 13:33:40 +02:00
|
|
|
// Logarithm functions
|
2018-04-22 17:32:55 +02:00
|
|
|
DefineFun(QStringLiteral("log2"), Log2);
|
|
|
|
DefineFun(QStringLiteral("log10"), Log10);
|
|
|
|
DefineFun(QStringLiteral("log"), Log10);
|
|
|
|
DefineFun(QStringLiteral("ln"), qLn);
|
2014-05-01 13:33:40 +02:00
|
|
|
// misc
|
2018-04-22 17:32:55 +02:00
|
|
|
DefineFun(QStringLiteral("exp"), qExp);
|
|
|
|
DefineFun(QStringLiteral("sqrt"), qSqrt);
|
|
|
|
DefineFun(QStringLiteral("sign"), Sign);
|
|
|
|
DefineFun(QStringLiteral("rint"), Rint);
|
|
|
|
DefineFun(QStringLiteral("r2cm"), R2CM);
|
|
|
|
DefineFun(QStringLiteral("csrCm"), CSRCm);
|
|
|
|
DefineFun(QStringLiteral("csrInch"), CSRInch);
|
|
|
|
DefineFun(QStringLiteral("abs"), Abs);
|
|
|
|
DefineFun(QStringLiteral("fmod"), FMod);
|
2014-05-01 13:33:40 +02:00
|
|
|
// Functions with variable number of arguments
|
2018-04-22 17:32:55 +02:00
|
|
|
DefineFun(QStringLiteral("sum"), Sum);
|
|
|
|
DefineFun(QStringLiteral("avg"), Avg);
|
|
|
|
DefineFun(QStringLiteral("min"), Min);
|
|
|
|
DefineFun(QStringLiteral("max"), Max);
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Initialize constants.
|
|
|
|
*
|
|
|
|
* By default the QmuParser recognizes two constants. Pi ("pi") and the eulerian
|
|
|
|
* number ("_e").
|
|
|
|
*/
|
|
|
|
void QmuParser::InitConst()
|
|
|
|
{
|
2019-10-30 10:34:01 +01:00
|
|
|
DefineConst(QStringLiteral("_pi"), static_cast<qreal>(M_PI));
|
|
|
|
DefineConst(QStringLiteral("_e"), static_cast<qreal>(M_E));
|
2014-04-26 09:23:50 +02:00
|
|
|
}
|
2014-04-25 14:58:14 +02:00
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
|
|
|
|
* @brief Initialize operators.
|
|
|
|
*
|
|
|
|
* By default only the unary minus operator is added.
|
|
|
|
*/
|
|
|
|
void QmuParser::InitOprt()
|
|
|
|
{
|
2017-01-03 10:14:32 +01:00
|
|
|
DefineInfixOprt(m_locale.negativeSign(), UnaryMinus);
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2023-02-09 16:23:11 +01:00
|
|
|
void QmuParser::OnDetectVar(const QString &pExpr, qmusizetype &nStart, qmusizetype &nEnd)
|
2014-04-30 07:32:29 +02:00
|
|
|
{
|
2016-12-20 20:19:21 +01:00
|
|
|
Q_UNUSED(pExpr)
|
|
|
|
Q_UNUSED(nStart)
|
|
|
|
Q_UNUSED(nEnd)
|
2014-05-01 13:33:40 +02:00
|
|
|
// this is just sample code to illustrate modifying variable names on the fly.
|
|
|
|
// I'm not sure anyone really needs such a feature...
|
|
|
|
/*
|
|
|
|
|
|
|
|
|
|
|
|
string sVar(pExpr->begin()+nStart, pExpr->begin()+nEnd);
|
|
|
|
string sRepl = std::string("_") + sVar + "_";
|
|
|
|
|
|
|
|
int nOrigVarEnd = nEnd;
|
|
|
|
cout << "variable detected!\n";
|
|
|
|
cout << " Expr: " << *pExpr << "\n";
|
|
|
|
cout << " Start: " << nStart << "\n";
|
|
|
|
cout << " End: " << nEnd << "\n";
|
|
|
|
cout << " Var: \"" << sVar << "\"\n";
|
|
|
|
cout << " Repl: \"" << sRepl << "\"\n";
|
|
|
|
nEnd = nStart + sRepl.length();
|
|
|
|
cout << " End: " << nEnd << "\n";
|
|
|
|
pExpr->replace(pExpr->begin()+nStart, pExpr->begin()+nOrigVarEnd, sRepl);
|
|
|
|
cout << " New expr: " << *pExpr << "\n";
|
|
|
|
*/
|
2014-04-30 07:32:29 +02:00
|
|
|
}
|
|
|
|
|
2014-05-01 13:33:40 +02:00
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
2014-04-30 07:32:29 +02:00
|
|
|
/**
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* @brief Numerically differentiate with regard to a variable.
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* @param [in] a_Var Pointer to the differentiation variable.
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* @param [in] a_fPos Position at which the differentiation should take place.
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* @param [in] a_fEpsilon Epsilon used for the numerical differentiation.
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*
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* Numerical differentiation uses a 5 point operator yielding a 4th order
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* formula. The default value for epsilon is 0.00074 which is
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* numeric_limits<double>::epsilon() ^ (1/5) as suggested in the muQmuParser
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* forum:
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*
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* http://sourceforge.net/forum/forum.php?thread_id=1994611&forum_id=462843
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*/
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2014-05-02 10:09:10 +02:00
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// cppcheck-suppress unusedFunction
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2014-04-30 07:32:29 +02:00
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qreal QmuParser::Diff(qreal *a_Var, qreal a_fPos, qreal a_fEpsilon) const
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{
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2014-05-01 13:33:40 +02:00
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qreal fRes(0),
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fBuf(*a_Var),
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f[4] = {0, 0, 0, 0},
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fEpsilon(a_fEpsilon);
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// Backwards compatible calculation of epsilon inc case the user doesnt provide
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// his own epsilon
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2016-03-23 15:09:30 +01:00
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if (qFuzzyIsNull(fEpsilon))
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2014-05-01 13:33:40 +02:00
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{
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2016-03-23 15:09:30 +01:00
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fEpsilon = qFuzzyIsNull(a_fPos) ? static_cast<qreal>(1e-10) : static_cast<qreal>(1e-7) * a_fPos;
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2014-05-01 13:33:40 +02:00
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}
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*a_Var = a_fPos+2 * fEpsilon; f[0] = Eval();
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*a_Var = a_fPos+1 * fEpsilon; f[1] = Eval();
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*a_Var = a_fPos-1 * fEpsilon; f[2] = Eval();
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*a_Var = a_fPos-2 * fEpsilon; f[3] = Eval();
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*a_Var = fBuf; // restore variable
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fRes = (-f[0] + 8*f[1] - 8*f[2] + f[3]) / (12*fEpsilon);
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return fRes;
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2014-04-30 07:32:29 +02:00
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}
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2014-04-25 14:58:14 +02:00
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} // namespace qmu
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