void unary_interval_updater::expand(theorem_node *n, property const &p)
{
int b = 3;
property res = p;
interval const &bnd = p.bnd();
interval &ih = n->hyp[0].bnd(), &ir = res.bnd();
interval hyp = ih;
while (b != 0) {
if (b & 1) {
number const &old = lower(ih);
number m = simplify(old, -1);
if (m != old) {
hyp = interval(m, upper(ih));
(*compute)(hyp, ir);
if (!(ir <= bnd)) { hyp = ih; b &= ~1; }
else ih = hyp;
} else b &= ~1;
}
if (b & 2) {
number const &old = upper(ih);
number m = simplify(old, 1);
if (m != old) {
hyp = interval(lower(ih), m);
(*compute)(hyp, ir);
if (!(ir <= bnd)) { hyp = ih; b &= ~2; }
else ih = hyp;
} else b &= ~2;
}
}
(*compute)(hyp, ir);
n->res = boundify(p, res);
}
void binary_interval_updater::expand(theorem_node *n, property const &p)
{
int b = 15;
property res = p;
interval const &bnd = p.bnd();
interval &i1 = n->hyp[0].bnd(), &i2 = n->hyp[1].bnd(), &ir = res.bnd();
interval hyps[] = { i1, i2 };
while (b != 0) {
if (b & 1) {
number const &old = lower(i1);
number m = simplify(old, -1);
if (m != old) {
hyps[0] = interval(m, upper(i1));
(*compute)(hyps, ir);
if (!(ir <= bnd)) { hyps[0] = i1; b &= ~1; }
else i1 = hyps[0];
} else b &= ~1;
}
if (b & 2) {
number const &old = upper(i1);
number m = simplify(old, 1);
if (m != old) {
hyps[0] = interval(lower(i1), m);
(*compute)(hyps, ir);
if (!(ir <= bnd)) { hyps[0] = i1; b &= ~2; }
else i1 = hyps[0];
} else b &= ~2;
}
if (b & 4) {
number const &old = lower(i2);
number m = simplify(old, -1);
if (m != old) {
hyps[1] = interval(m, upper(i2));
(*compute)(hyps, ir);
if (!(ir <= bnd)) { hyps[1] = i2; b &= ~4; }
else i2 = hyps[1];
} else b &= ~4;
}
if (b & 8) {
number const &old = upper(i2);
number m = simplify(old, 1);
if (m != old) {
hyps[1] = interval(lower(i2), m);
(*compute)(hyps, ir);
if (!(ir <= bnd)) { hyps[1] = i2; b &= ~8; }
else i2 = hyps[1];
} else b &= ~8;
}
}
(*compute)(hyps, ir);
n->res = boundify(p, res);
}
virtual void enlarge(property const &p) { res = boundify(p, res); }
void ConnectorLine::drawShape(QPainter &p) {
if (!m_bAnimateCurrent) {
QCanvasLine::drawShape(p);
return;
}
const int ss = 3; // segment spacing
const int sl = 13; // segment length (includes segment spacing)
int offset = int(dynamic_cast<ElectronicConnector *>(m_pConnector)->currentAnimationOffset() - m_pixelOffset);
offset = ((offset % sl) - sl) % sl;
int x1 = startPoint().x();
int y1 = startPoint().y();
int x2 = endPoint().x();
int y2 = endPoint().y();
QPen pen = p.pen();
// pen.setStyle( Qt::DashDotLine );
p.setPen(pen);
if (x1 == x2) {
int _x = int(x() + x1);
int y_end = int(y() + y2);
if (y1 > y2) {
// up connector line
for (int _y = int(y() + y1 - offset); _y >= y_end; _y -= sl) {
int y_1 = boundify(_y, int(y() + y1), y_end);
int y_2 = boundify(_y - (sl - ss), int(y() + y1), y_end);
p.drawLine(_x, y_1, _x, y_2);
}
} else {
// down connector line
for (int _y = int(y() + y1 + offset); _y <= y_end; _y += sl) {
int y_1 = boundify(_y, int(y() + y1), y_end);
int y_2 = boundify(_y + (sl - ss), int(y() + y1), y_end);
p.drawLine(_x, y_1, _x, y_2);
}
}
} else {
// y1 == y2
int _y = int(y() + y1);
int x_end = int(x() + x2);
if (x1 > x2) {
// left connector line
int x_start = int(x() + x1 - offset);
for (int _x = x_start; _x >= x_end; _x -= sl) {
int x_1 = boundify(_x, int(x() + x1), x_end);
int x_2 = boundify(_x - (sl - ss), int(x() + x1), x_end);
p.drawLine(x_1, _y, x_2, _y);
}
} else {
// right connector line
for (int _x = int(x() + x1 + offset); _x <= x_end; _x += sl) {
int x_1 = boundify(_x, int(x() + x1), x_end);
int x_2 = boundify(_x + (sl - ss), int(x() + x1), x_end);
p.drawLine(x_1, _y, x_2, _y);
}
}
}
}
