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Poor man's merge

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This commit is contained in:
Grant Sanderson
2018-03-05 20:25:01 -08:00
parent 53521a623f
commit aba43479f0
3 changed files with 44 additions and 19 deletions
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22
topics/number_line.py
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@ -222,6 +222,28 @@ class Axes(VGroup):
return graph
def input_to_graph_point(self, x, graph):
if hasattr(graph, "underlying_function"):
return self.coords_to_point(x, graph.underlying_function(x))
else:
#binary search
lh, rh = 0, 1
while abs(lh - rh) > 0.001:
mh = np.mean([lh, rh])
hands = [lh, mh, rh]
points = map(graph.point_from_proportion, hands)
lx, mx, rx = map(self.x_axis.point_to_number, points)
if lx <= x and rx >= x:
if mx > x:
rh = mh
else:
lh = mh
elif lx <= x and rx <= x:
return points[2]
elif lx >= x and rx >= x:
return points[0]
elif lx > x and rx < x:
lh, rh = rh, lh
return points[1]
return self.coords_to_point(x, graph.underlying_function(x))
class ThreeDAxes(Axes):