test_f2d()

static void test_f2d ( void  )

static

Definition at line 667 of file cu_libgeom.c.

References next_float_down(), and next_float_up().

Referenced by libgeom_suite_setup().

{
        double d = 1000000.123456789123456789;
        float f;
        double e;

        f = next_float_down(d);
        d = next_float_down(f);
        CU_ASSERT_DOUBLE_EQUAL(f,d, 0.0000001);

        e = (double)f;
        CU_ASSERT_DOUBLE_EQUAL(f,e, 0.0000001);

        f = next_float_down(d);
        d = next_float_down(f);
        CU_ASSERT_DOUBLE_EQUAL(f,d, 0.0000001);

        f = next_float_up(d);
        d = next_float_up(f);
        CU_ASSERT_DOUBLE_EQUAL(f,d, 0.0000001);

        f = next_float_up(d);
        d = next_float_up(f);
        CU_ASSERT_DOUBLE_EQUAL(f,d, 0.0000001);

        d = DBL_MAX;
        f = next_float_up(d);
        d = next_float_up(f);
        CU_ASSERT_DOUBLE_EQUAL(f, d, 0.0000001);

        d = DBL_MAX;
        f = next_float_down(d);
        d = next_float_down(f);
        CU_ASSERT_DOUBLE_EQUAL(f, d, 0.0000001);

        d = -DBL_MAX;
        f = next_float_up(d);
        d = next_float_up(f);
        CU_ASSERT_DOUBLE_EQUAL(f, d, 0.0000001);

        d = -DBL_MAX;
        f = next_float_down(d);
        d = next_float_down(f);
        CU_ASSERT_DOUBLE_EQUAL(f, d, 0.0000001);
}

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