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#include <Imath/ImathLine.h>
#include <cassert>
void
line3_example()
{
Imath::V3f a (0.0f, 0.0f, 0.0f);
Imath::V3f b (1.0f, 1.0f, 1.0f);
Imath::Line3f line (a, b);
assert (line.pos == a);
assert (line.dir == (b-a).normalized());
Imath::V3f c (0.5f, 0.5f, 0.5f);
float f = line.distanceTo (c);
assert (Imath::equalWithAbsError (f, 0.0f, 0.0001f));
Imath::V3f p = line (0.5f); // midpoint, i.e. 0.5 units from a along (b-a)
assert (p.equalWithAbsError (Imath::V3f (0.288675f, 0.288675f, 0.288675f), 0.0001f));
}
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