libcruft-util/test/point.cpp

59 lines
1.3 KiB
C++

#include "point.hpp"
#include "debug.hpp"
#include "types.hpp"
using namespace util;
int
main (int, char**) {
// Redim to lower dimension
{
const point3f p(0.f, 1.f, 2.f);
const point2f q = p.redim<2> ();
CHECK_EQ (q.data[0], p.data[0]);
CHECK_EQ (q.data[1], p.data[1]);
}
// Redim to higher dimension without fill
{
const point2f p(0.f, 1.f);
const point3f q = p.redim<3> ();
CHECK_EQ (p.data[0], q.data[0]);
CHECK_EQ (p.data[1], q.data[1]);
}
// Redim to higher dimension with fill
{
static const point4f FILL (1.f, 2.f, 3.f, 4.f);
const point2f p (0.1f, 1.f);
const point4f q = p.template redim<4> (FILL);
CHECK_EQ (q.data[0], p.data[0]);
CHECK_EQ (q.data[1], p.data[1]);
CHECK_EQ (q.data[2], FILL.data[2]);
CHECK_EQ (q.data[3], FILL.data[3]);
}
// Simple linking check for coord type casting. Relies on truncation.
{
const point2f pf (0.5f, 0.2f);
const point2u pu (0, 0);
CHECK_EQ (pf.template cast<point2u::value_type> (), pu);
}
{
const point2f p (3, 4);
const point4f q = p.homog<4> ();
CHECK_EQ (q.x, 3);
CHECK_EQ (q.y, 4);
CHECK_EQ (q.z, 0);
CHECK_EQ (q.w, 1);
}
}