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C++ Fraction函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中Fraction函数的典型用法代码示例。如果您正苦于以下问题:C++ Fraction函数的具体用法?C++ Fraction怎么用?C++ Fraction使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了Fraction函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: Q_ASSERT

Fraction XmlReader::readFraction()
      {
      Q_ASSERT(tokenType() == QXmlStreamReader::StartElement);
      int z = attribute("z", "0").toInt();
      int n = attribute("n", "1").toInt();
      const QString& s(readElementText());
      if (!s.isEmpty()) {
            int i = s.indexOf('/');
            if (i == -1)
                  qFatal("illegal fraction <%s>", qPrintable(s));
            else {
                  z = s.left(i).toInt();
                  n = s.mid(i+1).toInt();
                  }
            }
      return Fraction(z, n);
      }
开发者ID:Angeldude,项目名称:MuseScore,代码行数:17,代码来源:xml.cpp


示例2: Fraction

Polynom& Polynom::operator -= (const Polynom& _another) {
	Polynom result;
	result.a.resize(max(pow(), _another.pow()) + 1, Fraction(0, 1)); //0 instead of Fraction(0,1) gives really strange results

	for(int i = 0; i <= pow(); i++) {
		result.a[i] += a[i];
	}
	for(int i = 0; i <= _another.pow(); i++) {
		result.a[i] -= _another.a[i];
	}

	a = result.a;

	simplify();

	return *this;
}
开发者ID:HPotter,项目名称:ProgrammingLessons,代码行数:17,代码来源:polynom.cpp


示例3: toDurationList

std::vector<TDuration> toDurationList(Fraction l, bool useDots, int maxDots, bool printRestRemains)
      {
      std::vector<TDuration> dList;
      dList.reserve(8);

      if (useDots) {
            for (TDuration d = TDuration(TDuration::DurationType::V_LONG); d.isValid() && (l.numerator() != 0);) {
                  int dots = maxDots;
                  for ( ; dots > 0; --dots) {
                        d.setDots(dots);
                        Fraction ff = l - d.fraction();
                        if (ff.numerator() >= 0) {
                              dList.push_back(d);
                              l -= d.fraction();
                              break;
                              }
                        }
                  if (dots > 0)
                        continue;
                  d.setDots(0);
                  Fraction ff = l - d.fraction();
                  if (ff.numerator() < 0)
                        d = d.shift(1);
                  else {
                        dList.push_back(d);
                        l -= d.fraction();
                        }
                  }
            }
      else {
            for (TDuration d = TDuration(TDuration::DurationType::V_LONG); d.isValid() && (l.numerator() != 0);) {
                  Fraction ff(l - d.fraction());
                  if (ff.numerator() < 0) {
                        d = d.shift(1);
                        continue;
                        }
                  l -= d.fraction();
                  dList.push_back(d);
                  }
            }
      if (printRestRemains && l != Fraction())
            qDebug("toDurationList:: rest remains %d/%d", l.numerator(), l.denominator());

      return dList;
      }
开发者ID:NupurMalpani,项目名称:MuseScore,代码行数:45,代码来源:durationtype.cpp


示例4: toDurationList

QList<TDuration> toDurationList(Fraction l, bool useDottedValues)
      {
      QList<TDuration> dList;
      if (useDottedValues) {
            for (TDuration d = TDuration(TDuration::V_LONG); d.isValid() && (l.numerator() != 0);) {
                  d.setDots(2);
                  Fraction ff(l - d.fraction());
                  if (ff.numerator() >= 0) {
                        dList.append(d);
                        l -= d.fraction();
                        continue;
                        }
                  d.setDots(1);
                  ff = l - d.fraction();
                  if (ff.numerator() >= 0) {
                        dList.append(d);
                        l -= d.fraction();
                        continue;
                        }
                  d.setDots(0);
                  ff = l - d.fraction();
                  if (ff.numerator() < 0) {
                        d = d.shift(1);
                        }
                  else {
                        l -= d.fraction();
                        dList.append(d);
                        }
                  }
            }
      else {
            for (TDuration d = TDuration(TDuration::V_LONG); d.isValid() && (l.numerator() != 0);) {
                  Fraction ff(l - d.fraction());
                  if (ff.numerator() < 0) {
                        d = d.shift(1);
                        continue;
                        }
                  l -= d.fraction();
                  dList.append(d);
                  }
            }
      if (l != Fraction())
            qDebug("toDurationList:: rest remains %d/%d", l.numerator(), l.denominator());
      return dList;
      }
开发者ID:aeliot,项目名称:MuseScore,代码行数:45,代码来源:durationtype.cpp


示例5: TimeSig

void TimeDialog::addClicked()
      {
      TimeSig* ts = new TimeSig(gscore);
      ts->setSig(Fraction(zNominal->value(), denominator()));
      ts->setGroups(groups->groups());

      // check for special text
      if ((QString("%1").arg(zNominal->value()) != zText->text())
         || (QString("%1").arg(denominator()) != nText->text())) {
            ts->setNumeratorString(zText->text());
            ts->setDenominatorString(nText->text());
            }
      // extend palette:
      sp->append(ts, "");
      _dirty = true;
      sp->updateGeometry();
      _timePalette->adjustSize();
      }
开发者ID:CafeCat,项目名称:MuseScore,代码行数:18,代码来源:timedialog.cpp


示例6: gst_qt_quick2_video_sink_set_property

static void
gst_qt_quick2_video_sink_set_property (GObject *object,
                                       guint property_id,
                                       const GValue *value,
                                       GParamSpec *pspec)
{
    GstQtQuick2VideoSink *self = GST_QT_QUICK2_VIDEO_SINK (object);

    switch (property_id) {
    case PROP_PIXEL_ASPECT_RATIO:
      {
        GValue tmp;
        std::memset(&tmp, 0, sizeof(GValue));
        g_value_init(&tmp, GST_TYPE_FRACTION);
        if (g_value_transform(value, &tmp)) {
            int n = gst_value_get_fraction_numerator(&tmp);
            int d = gst_value_get_fraction_denominator(&tmp);
            self->priv->delegate->setPixelAspectRatio(Fraction(n, d));
        } else {
            GST_WARNING_OBJECT(object, "Could not transform string to aspect ratio");
        }
        g_value_unset(&tmp);
        break;
      }
    case PROP_FORCE_ASPECT_RATIO:
        self->priv->delegate->setForceAspectRatio(g_value_get_boolean(value));
        break;
    case PROP_CONTRAST:
        self->priv->delegate->setContrast(g_value_get_int(value));
        break;
    case PROP_BRIGHTNESS:
        self->priv->delegate->setBrightness(g_value_get_int(value));
        break;
    case PROP_HUE:
        self->priv->delegate->setHue(g_value_get_int(value));
        break;
    case PROP_SATURATION:
        self->priv->delegate->setSaturation(g_value_get_int(value));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
        break;
    }
}
开发者ID:dejunk,项目名称:gstreamer,代码行数:44,代码来源:gstqtquick2videosink.cpp


示例7: toDurationList

QList<TDuration> toDurationList(Fraction l, bool useDots, int maxDots)
      {
      QList<TDuration> dList;
      if (useDots) {
            for (TDuration d = TDuration(TDuration::V_LONG); d.isValid() && (l.numerator() != 0);) {
                  int dots = maxDots;
                  for ( ; dots > 0; --dots) {
                        d.setDots(dots);
                        Fraction ff = l - d.fraction();
                        if (ff.numerator() >= 0) {
                              dList.append(d);
                              l -= d.fraction();
                              break;
                              }
                        }
                  if (dots > 0)
                        continue;
                  d.setDots(0);
                  Fraction ff = l - d.fraction();
                  if (ff.numerator() < 0) {
                        d = d.shift(1);
                        }
                  else {
                        dList.append(d);
                        l -= d.fraction();
                        }
                  }
            }
      else {
            for (TDuration d = TDuration(TDuration::V_LONG); d.isValid() && (l.numerator() != 0);) {
                  Fraction ff(l - d.fraction());
                  if (ff.numerator() < 0) {
                        d = d.shift(1);
                        continue;
                        }
                  l -= d.fraction();
                  dList.append(d);
                  }
            }
      if (l != Fraction())
            qDebug("toDurationList:: rest remains %d/%d", l.numerator(), l.denominator());
      return dList;
      }
开发者ID:33akash,项目名称:MuseScore,代码行数:43,代码来源:durationtype.cpp


示例8: main

int main()
{
    while (true) {
        scanf("%d", &n);
        if (n == 0) break;

        Fraction f(1, n);
        Fraction s(1, n);

        for (int i = 2, d = n - 1; i <= n; ++i, --d) {
            f = s * Fraction(1, d);
            s = s + f;
        }

        printf("%d/%d\n", f.p, f.q);
    }

    return 0;
}
开发者ID:pin3da,项目名称:pc-code,代码行数:19,代码来源:airplane.cpp


示例9: SYSTEMTIME

CNtpTime::operator SYSTEMTIME() const
{
//	Currently this function only operates correctly in
//	the 1900- 2036 primary epoch defined by NTP
	SYSTEMTIME st;
	DWORD s	= Seconds();
	st.wSecond	= (WORD)( s % 60 );
	s	/= 60;
	st.wMinute	= (WORD)( s % 60 );
	s	/= 60;
	st.wHour	= (WORD)( s % 24 );
	s	/= 24;
	long JD	= s + JAN_1ST_1900;
	st.wDayOfWeek	= (WORD)( ( JD + 1 ) % 7 );
	GetGregorianDate( JD, st.wYear, st.wMonth, st.wDay );
	st.wMilliseconds	= NtpFractionToMs( Fraction() );

	return st;
}
开发者ID:KerwinMa,项目名称:AerothFlyffSource,代码行数:19,代码来源:Sntp.cpp


示例10: Fraction

void kcs::Row::doReverseEliminate(Row & two){
    int second=0;
    Fraction** twoNums =two.getNumbers();
     for(int i=0;i<length;i++){
        if(!twoNums[i]->isEqual(0)){

            second=i;
            break;
        }
    }

    Fraction theMain = Fraction(numbers[second]->getNumerator(),numbers[second]->getDnumerator());

    for(int i=second;i<length;i++){
        Fraction tmp =(twoNums[i]->doMultiply(theMain));
        numbers[i] ->doMinus(  tmp   );
    }


}
开发者ID:JackSie,项目名称:SomeHomeworkCode-sophomore,代码行数:20,代码来源:Row.cpp


示例11: switch

void FractionCalculator::compute(void)
{
	switch(this->operation)
	{
		case '+':
			this->result = this->f1 + this->f2;
			break;
		case '-':
			this->result = this->f1 - this->f2;
			break;
		case '*':
			this->result = this->f1 * this->f2;
			break;
		case '/':
			this->result = this->f1 / this->f2;
			break;
		default:
			this->result = Fraction();	// set to a Fraction(0) if invalid operation
	}
	return;
}
开发者ID:pyridoxus,项目名称:csc125Project3,代码行数:21,代码来源:FractionCalculator.cpp


示例12: writeProperty

void TimeSig::write(XmlWriter& xml) const
      {
      xml.stag("TimeSig");
      writeProperty(xml, P_ID::TIMESIG_TYPE);
      Element::writeProperties(xml);

      xml.tag("sigN",  _sig.numerator());
      xml.tag("sigD",  _sig.denominator());
      if (stretch() != Fraction(1,1)) {
            xml.tag("stretchN", stretch().numerator());
            xml.tag("stretchD", stretch().denominator());
            }
      writeProperty(xml, P_ID::NUMERATOR_STRING);
      writeProperty(xml, P_ID::DENOMINATOR_STRING);
      if (!_groups.empty())
            _groups.write(xml);
      writeProperty(xml, P_ID::SHOW_COURTESY);
      writeProperty(xml, P_ID::SCALE);

      xml.etag();
      }
开发者ID:akdor1154,项目名称:MuseScore,代码行数:21,代码来源:timesig.cpp


示例13: switch

SymId Rest::getSymbol(TDuration::DurationType type, int line, int lines, int* yoffset)
      {
      *yoffset = 2;
      switch(type) {
            case TDuration::DurationType::V_LONG:
                  return SymId::restLonga;
            case TDuration::DurationType::V_BREVE:
                  return SymId::restDoubleWhole;
            case TDuration::DurationType::V_MEASURE:
                  if (duration() >= Fraction(2, 1))
                        return SymId::restDoubleWhole;
                  // fall trough
            case TDuration::DurationType::V_WHOLE:
                  *yoffset = 1;
                  return (line <= -2 || line >= (lines - 1)) ? SymId::restWholeLegerLine : SymId::restWhole;
            case TDuration::DurationType::V_HALF:
                  return (line <= -3 || line >= (lines - 2)) ? SymId::restHalfLegerLine : SymId::restHalf;
            case TDuration::DurationType::V_QUARTER:
                  return SymId::restQuarter;
            case TDuration::DurationType::V_EIGHT:
                  return SymId::rest8th;
            case TDuration::DurationType::V_16TH:
                  return SymId::rest16th;
            case TDuration::DurationType::V_32ND:
                  return SymId::rest32nd;
            case TDuration::DurationType::V_64TH:
                  return SymId::rest64th;
            case TDuration::DurationType::V_128TH:
                  return SymId::rest128th;
            case TDuration::DurationType::V_256TH:
                  return SymId::rest256th;
            case TDuration::DurationType::V_512TH:
                  return SymId::rest512th;
            case TDuration::DurationType::V_1024TH:
                  return SymId::rest1024th;
            default:
                  qDebug("unknown rest type %d", type);
                  return SymId::restQuarter;
            }
      }
开发者ID:Igevorse,项目名称:MuseScore,代码行数:40,代码来源:rest.cpp


示例14: applySwing

void SwingDetector::applySwing()
      {
      if (elements.size() != 2 && elements.size() != 3)
            return;

      Tuplet *tuplet = nullptr;
      for (ChordRest *el: elements) {
            el->setDurationType(TDuration::DurationType::V_EIGHTH);
            el->setTicks(Fraction(1, 8));
            el->setDots(0);
            if (el->tuplet()) {
                  if (!tuplet)
                        tuplet = el->tuplet();
                  tuplet->remove(el);
                  el->setTuplet(nullptr);
                  }
            }

      const ChordRest *first = elements.front();
      const int startTick = first->segment()->tick().ticks();
      ChordRest *last = elements.back();
      last->segment()->remove(last);
      Segment *s = last->measure()->getSegment(SegmentType::ChordRest, Fraction::fromTicks(startTick + MScore::division / 2));
      s->add(last);

      if (elements.size() == 3) {
                  // remove central rest
            ChordRest *cr = elements[1];
            cr->score()->removeElement(cr);
            delete cr;
            }

      if (tuplet) {
                  // delete tuplet
            delete tuplet;
            tuplet = nullptr;
            }
      if (!swingApplied)
            swingApplied = true;
      }
开发者ID:Jojo-Schmitz,项目名称:MuseScore,代码行数:40,代码来源:importmidi_swing.cpp


示例15: switch

int Rest::getSymbol(TDuration::DurationType type, int line, int lines, int* yoffset)
      {
      *yoffset = 2;
      switch(type) {
            case TDuration::V_LONG:
                  return longarestSym;
            case TDuration::V_BREVE:
                  return breverestSym;
            case TDuration::V_MEASURE:
                  if (duration() >= Fraction(2, 1))
                        return breverestSym;
                  // fall trough
            case TDuration::V_WHOLE:
                  *yoffset = 1;
                  return (line <= -2 || line >= (lines - 1)) ? outsidewholerestSym : wholerestSym;
            case TDuration::V_HALF:
                  return (line <= -3 || line >= (lines - 2)) ? outsidehalfrestSym : halfrestSym;
            case TDuration::V_QUARTER:
                  return rest4Sym;
            case TDuration::V_EIGHT:
                  return rest8Sym;
            case TDuration::V_16TH:
                  return rest16Sym;
            case TDuration::V_32ND:
                  return rest32Sym;
            case TDuration::V_64TH:
                  return rest64Sym;
            case TDuration::V_128TH:
                  return rest128Sym;
            case TDuration::V_256TH:
                  qDebug("Rest: no symbol for 1/256");
                  return rest128Sym;
            default:
                  qDebug("unknown rest type %d", type);
                  return rest4Sym;
            }
      }
开发者ID:ccorbell,项目名称:MuseScore,代码行数:37,代码来源:rest.cpp


示例16: min

Fraction SPTGSolver::nextEventPoint(){
	cout << "====NextEventPoint===" << endl;
	Fraction min(ifnty);

	for (unsigned int state = 1; state < size; ++state){
		//     First we have to check if an epsilon can be found using the lambda transition
		Fraction tempMin(ifnty);
		if((*vals)[state][0] != lambdas[state][0] && lambdas[state][1] != (*vals)[state][1]){
			tempMin = ((*vals)[state][0] - lambdas[state][0])/(lambdas[state][1] - (*vals)[state][1]);
			if(tempMin < 0)
				tempMin = ifnty;
			if( time - tempMin < min)
				min = tempMin;
		}

		for (unsigned int nextState = 0; nextState < size; ++nextState){
			//       Then we need to check if there is another epsilon that can be found using the other transitions
			tempMin = Fraction(ifnty);
			if(sptg->getTransition(state, nextState) != -1 && ((*vals)[state][0] != (*vals)[nextState][0] + sptg->getTransition(state, nextState)) &&
					((*vals)[nextState][1] != (*vals)[state][1]))
			{

				tempMin = ((*vals)[state][0] - ((*vals)[nextState][0]+sptg->getTransition(state, nextState)))/((*vals)[nextState][1] - (*vals)[state][1]);

				if(tempMin < 0)
					tempMin = ifnty;

				if(tempMin < min)
					min = tempMin;
			}

		}

	}
	return min;
}
开发者ID:bryongloden,项目名称:PTGs,代码行数:36,代码来源:SPTGSolver.cpp


示例17: qDebug

void MsScWriter::doTriplet(Chord* cr, StartStop triplet)
      {
      qDebug() << "MsScWriter::doTriplet(" << triplet << ")"
      ;

      if (triplet == ST_START) {
            tuplet = new Tuplet(score);
            tuplet->setTrack(0);
            tuplet->setRatio(Fraction(3, 2));
            tuplet->setTick(tick);
            currentMeasure->add(tuplet);
            }
      else if (triplet == ST_STOP) {
            if (tuplet) {
                  cr->setTuplet(tuplet);
                  tuplet->add(cr);
                  tuplet = 0;
                  }
            else
                  qDebug("BWW::import: triplet stop without triplet start\n");
            }
      else if (triplet == ST_CONTINUE) {
            if (!tuplet)
                  qDebug("BWW::import: triplet continue without triplet start\n");
            }
      else if (triplet == ST_NONE) {
            if (tuplet)
                  qDebug("BWW::import: triplet none inside triplet\n");
            }
      else
            qDebug("unknown triplet type %d\n", triplet);
      if (tuplet) {
            cr->setTuplet(tuplet);
            tuplet->add(cr);
            }
      }
开发者ID:kcleung,项目名称:MuseScore,代码行数:36,代码来源:importbww.cpp


示例18: tr

Palette* MuseScore::newTimePalette()
      {
      struct TS {
            int numerator;
            int denominator;
            TimeSigType type;
            QString name;
            };

      TS tsList[] = {
            { 2,  4, TimeSigType::NORMAL, "2/4" },
            { 3,  4, TimeSigType::NORMAL, "3/4" },
            { 4,  4, TimeSigType::NORMAL, "4/4" },
            { 5,  4, TimeSigType::NORMAL, "5/4" },
            { 6,  4, TimeSigType::NORMAL, "6/4" },
            { 3,  8, TimeSigType::NORMAL, "3/8" },
            { 6,  8, TimeSigType::NORMAL, "6/8" },
            { 9,  8, TimeSigType::NORMAL, "9/8" },
            { 12, 8, TimeSigType::NORMAL, "12/8" },
            { 4,  4, TimeSigType::FOUR_FOUR,  tr("4/4 common time") },
            { 2,  2, TimeSigType::ALLA_BREVE, tr("2/2 alla breve") }
            };

      Palette* sp = new Palette;
      sp->setName(QT_TRANSLATE_NOOP("Palette", "Time Signatures"));
      sp->setMag(.8);
      sp->setGrid(42, 38);

      for (unsigned i = 0; i < sizeof(tsList)/sizeof(*tsList); ++i) {
            TimeSig* ts;
            ts = new TimeSig(gscore);
            ts->setSig(Fraction(tsList[i].numerator, tsList[i].denominator), tsList[i].type);
            sp->append(ts, tsList[i].name);
            }
      return sp;
      }
开发者ID:jasonmarkbeaton,项目名称:MuseScore,代码行数:36,代码来源:menus.cpp


示例19: init

void SPTGSolver::init(){

	//   Initialization of all vectors and variables used by the solver
	size = sptg->getSize();
	if(size != 0){
		vals = new vector<vector<Fraction> >();
		vals->push_back(vector<Fraction>());
		(*vals)[0].push_back(Fraction(0));
		(*vals)[0].push_back(Fraction(0));

		strategies = new list<Strategy> ();
		(*strategies).push_front(Strategy(size, time, false));
		(*strategies).front().insert(0,0,0);

		pathsLengths = new vector<unsigned int>();
		pathsLengths->push_back(0);

		lambdas.push_back(vector<Fraction>());
		lambdas[0].push_back(Fraction(0));
		lambdas[0].push_back(Fraction(0));

		valueFcts = new vector<list<Point> >();
		valueFcts->push_back(list<Point>());

		// Fill the initial valors, strategies and the ensemble of states
		for (unsigned int i = 1; i < size; ++i){
			vals->push_back(vector<Fraction>());
			(*vals)[i].push_back(Fraction(ifnty));
			(*vals)[i].push_back(Fraction(0));

			strategies->front().insert(i, -1, 0);
			pathsLengths->push_back(0);

			lambdas.push_back(vector<Fraction>());
			lambdas[i].push_back(0);
			lambdas[i].push_back(0);

			valueFcts->push_back(list<Point>());
		}
	}
}
开发者ID:bryongloden,项目名称:PTGs,代码行数:41,代码来源:SPTGSolver.cpp


示例20: Fraction

Fraction Fraction:: operator * (const Fraction& other)
{
    return Fraction(n*other.n, d*other.d);
}
开发者ID:EvgenyErmolovich,项目名称:Fraction,代码行数:4,代码来源:Fraction.cpp



注:本文中的Fraction函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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C++ FrameRect函数代码示例发布时间:2022-05-30
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