dawn-cmake/test/tint/builtins/modf/vector/runtime.wgsl

@compute @workgroup_size(1)
fn main() {
    let in = vec2(1.23, 3.45);
    let res = modf(in);
    let fract : vec2<f32> = res.fract;
    let whole : vec2<f32> = res.whole;
}