pub unsafe extern "C" fn manifold_scale(
mem: *mut c_void,
m: *mut ManifoldManifold,
x: f64,
y: f64,
z: f64,
) -> *mut ManifoldManifold
pub unsafe extern "C" fn manifold_scale(
mem: *mut c_void,
m: *mut ManifoldManifold,
x: f64,
y: f64,
z: f64,
) -> *mut ManifoldManifold