Function test_float16_vectors

tests/src/engine/test_float.cpp:94–127

}

bool test_float16_vectors()
{
    // This test just checks if packing and shuffling works correctly,
    // it doesn't need to cover various possible values.

    float2 f32_2(1.f, -2.f); // negative [1] to test the upper (sign) bit in the int32 packed version
    float16_t2 f16_2 = Float32ToFloat16x2(f32_2);
    float2 f32_2_out = Float16ToFloat32x2(f16_2);

    bool pass = true;
    for (int i = 0; i < 2; ++i)
    {
        if (f32_2_out[i] != f32_2[i])
        {
            fprintf(stderr, "FLOAT16x2 [%d] mismatch: expected %f, got %f\n", i, f32_2[i], f32_2_out[i]);
            pass = false;
        }
    }

    float4 f32_4(1.f, -2.f, 3.f, -4.f); // negative [3] to test the upper (sign) bit in the int64 packed version
    float16_t4 f16_4 = Float32ToFloat16x4(f32_4);
    float4 f32_4_out = Float16ToFloat32x4(f16_4);

    for (int i = 0; i < 4; ++i)
    {
        if (f32_4_out[i] != f32_4[i])
        {
            fprintf(stderr, "FLOAT16x4 [%d] mismatch: expected %f, got %f\n", i, f32_4[i], f32_4_out[i]);
            pass = false;
        }
    }

    return pass;
}

bool test_float16()
{