Function vec4_example

website/examples/Vec4.cpp:4–21

#include <cassert>

void
vec4_example ()
{
    Imath::V4f a (1.0f, 2.0f, 3.0f, 4.0f);
    Imath::V4f b; // b is uninitialized

    b.x = a[0];
    b.y = a[1];
    b.z = a[2];
    b.w = a[3];

    assert (a == b);

    assert (a.length () == sqrt (a ^ a));

    a.normalize ();
    assert (Imath::equalWithAbsError (a.length (), 1.0f, 1e-6f));
}