inline string ToString(int n)
{
Ratio *r = Ratio::FromValue(Value, n);
string s = r->ToString();
delete r;
return s;
}
int main(int argc, char **argv) {
MessageQueue mq;
Slow s;
Fast f;
Ratio r;
cout << "Add Publishers " << endl;
mq.add_publisher(&s);
mq.add_publisher(&f);
cout << "Add Subscribers" << endl;
mq.add_subscriber((r.get_blackboard()));
cout << "Subscibing.." << endl;
mq.subscribe("global",r.get_blackboard(),2);
cout << "start threads" << endl;
mq.start();
s.start();
f.start();
r.start();
cout << "Wait for joing" << endl;
s.join();
f.join();
r.join();
mq.join();
cout << "Exiting.. " << endl;
return 0;
return 0;
}
inline double Calculate(double value, int n)
{
double p1 = LowerBound->ToDouble(n);
double p2 = UpperBound->ToDouble(n);
double x = p1 + value * (p2 - p1);
return IsDiscrete ? int(x+.5) : x;
}
int main () {
Ratio x (22, 7);
cout << "x= ";
x.print();
cout << "x= " << x.convert() << endl;
x.invert();
cout << "x/1= ";
x.print();
cout << endl;
}
static inline void analyze(Ratio const& r,
int& in_segment_count,
int& on_end_count,
int& outside_segment_count)
{
if (r.on_end())
{
on_end_count++;
}
else if (r.in_segment())
{
in_segment_count++;
}
else
{
outside_segment_count++;
}
}
static inline int arrival_value(Ratio const& r_from, Ratio const& r_to)
{
// a1--------->a2
// b1----->b2
// a departs: -1
// a1--------->a2
// b1----->b2
// a arrives: 1
// a1--------->a2
// b1----->b2
// both arrive there -> r-to = 1/1, or 0/1 (on_segment)
// First check the TO (for arrival), then FROM (for departure)
return r_to.in_segment() ? 1
: r_to.on_segment() ? 0
: r_from.on_segment() ? -1
: -1
;
}
static inline bool apply(Ratio const& lhs, Ratio const& rhs)
{
BOOST_ASSERT(lhs.denominator() != 0);
BOOST_ASSERT(rhs.denominator() != 0);
return lhs.numerator() * rhs.denominator()
< rhs.numerator() * lhs.denominator();
}
static inline bool apply(Ratio const& lhs, Ratio const& rhs)
{
BOOST_ASSERT(lhs.denominator() != 0);
BOOST_ASSERT(rhs.denominator() != 0);
return geometry::math::equals
(
lhs.numerator() * rhs.denominator(),
rhs.numerator() * lhs.denominator()
);
}
int main(){
Ratio x;
x.assign(22,7);
cout << "x = ";
x.print();
cout << " = " << x.convert() << endl;
x.invert();
cout << "1/x = "; x.print();
cout << endl;
}
void ScrollWindow::go(const Ratio location) {
const int line = (location * _numLines).toInt();
if (line < 0 || line > _numLines) {
error("Index is Out of Range in ScrollWindow");
}
_firstVisibleChar = _startsOfLines[line];
update(true);
// HACK:
// It usually isn't possible to set _topVisibleLine >= _numLines, and so
// update() doesn't. However, in this case we should set _topVisibleLine
// past the end. This is clearly visible in Phantasmagoria when dragging
// the slider in the About dialog to the very end. The slider ends up lower
// than where it can be moved by scrolling down with the arrows.
if (location.isOne()) {
_topVisibleLine = _numLines;
}
}
void FractionBaseWidget::paintRatio(QPainter & paint, Ratio tmp_ratio, int & x_pos, int & y_pos, QFontMetrics & fm, bool show_mixed, bool addMargin, bool show_center)
{
QPen pen = paint.pen(); // get the pen
int fontHeight = fm.lineSpacing(); // get the font height
int int_numerator, int_denominator, int_mixed;
QString str_numerator, str_denominator;
QString str_mixed;
int fontWidth; // to store the width of the last thing painted
int tmp_int;
// check if we have to show the ratio as mixed number
// 11 1
// if yes, -- becomes 2 -
// 5 5
int_numerator = tmp_ratio.numerator();
int_denominator = tmp_ratio.denominator();
if (show_mixed == true && qAbs(int_numerator) >= qAbs(int_denominator)) {
// calculate the mixed number
int_mixed = int (int_numerator / int_denominator);
// the negative sign is in front of the mixed number
int_numerator = qAbs(int_numerator);
int_denominator = qAbs(int_denominator);
// we have to reduce the numerator by the mixed number * denominator
int_numerator = int_numerator % int_denominator;
// now we can convert the numbers into strings for painting
str_mixed.setNum(int_mixed);
str_numerator.setNum(int_numerator);
str_denominator.setNum(int_denominator);
// paint the front part of the mixed number
paintMiddle(paint, str_mixed, x_pos, y_pos, fm, m_colorNumber);
} else {
// don't show the ratio as mixed number
str_numerator.setNum(int_numerator);
str_denominator.setNum(int_denominator);
} // if (show_mixed == true && qAbs(int_numerator) > qAbs(int_denominator))
// get the text width of the current ratio
fontWidth = fm.width(str_numerator);
tmp_int = fm.width(str_denominator);
if (tmp_int > fontWidth)
fontWidth = tmp_int;
// show numerator and denominator in m_colorNumber
pen.setColor(m_colorNumber);
paint.setPen(pen);
// make sure we don't display something like: 0
// 7 -
// 3
if (!(show_mixed == true && int_numerator == 0)) {
if (show_center == true)
x_pos = 80 - fontWidth / 2;
if (!(int_denominator == 1 && show_mixed == false)) {
// paint the numerator
paint.drawText(x_pos, y_pos, fontWidth, fontHeight, Qt::AlignCenter, str_numerator);
// paint the fraction line between numerator and denominator
paint.fillRect(x_pos, y_pos + fontHeight + 4, fontWidth, 2, m_colorLine);
// paint the denominator
paint.drawText(x_pos, y_pos + fontHeight + 10, fontWidth, fontHeight, Qt::AlignCenter, str_denominator);
} else {
// paint the numerator and move the y position down to align with the + signal
paint.drawText(x_pos, y_pos + fontHeight - fontHeight / 2, fontWidth,
fontHeight, Qt::AlignCenter, str_numerator);
}
// move the x position to the right by adding the width used for painting
// the ratio and a margin
x_pos += fontWidth;
if (addMargin == true)
x_pos += _MARGIN_X;
}
return;
}
RatioPosition::RatioPosition(const Ratio &y, const Ratio &x, int) :
_y(y.longVal(), 0), _x(x.longVal(), 0)
{
}
static inline bool apply(Ratio const& lhs, Ratio const& rhs)
{
return boost::rational<Type>(lhs.numerator(), lhs.denominator())
== boost::rational<Type>(rhs.numerator(), rhs.denominator());
}
