Function testArithmetic

src/ImathTest/testArithmetic.cpp:17–69

using namespace std;

void
testArithmetic ()
{
    cout << "basic arithmetic operations:\n";

    float f1 (1);
    float f2 (2);
    half  h1 (3);
    half  h2 (4);

    cout << "f1 = " << f1
         << ", "
            "f2 = "
         << f2
         << ", "
            "h1 = "
         << h1
         << ", "
            "h2 = "
         << h2 << endl;

    h1 = f1 + f2;
    assert (h1 == 3);

    cout << "h1 = f1 + f2: " << h1 << endl;

    h2 += f1;
    assert (h2 == 5);

    cout << "h2 += f1: " << h2 << endl;

    h2 = h1 + h2;
    assert (h2 == 8);

    cout << "h2 = h1 + h2: " << h2 << endl;

    h2 += h1;
    assert (h2 == 11);

    cout << "h2 += h1: " << h2 << endl;

    h1 = h2;
    assert (h1 == 11);

    cout << "h1 = h2: " << h1 << endl;

    h2 = -h1;
    assert (h2 == -11);

    cout << "h2 = -h1: " << h2 << endl;

    cout << "ok\n\n" << flush;
}