Function floor

crates/stdlib/src/math.rs:385–400

(x: PyObjectRef, vm: &VirtualMachine)

    #[pyfunction]
    fn floor(x: PyObjectRef, vm: &VirtualMachine) -> PyResult {
        // Only call __floor__ if the class defines it - if it exists but is not callable,
        // the error should be propagated (not fall back to float conversion)
        if x.class().has_attr(identifier!(vm, __floor__)) {
            return try_magic_method(identifier!(vm, __floor__), vm, &x);
        }
        // __floor__ not defined - fall back to float conversion
        if let Some(v) = x.try_float_opt(vm) {
            let v = try_f64_to_bigint(v?.to_f64().floor(), vm)?;
            return Ok(vm.ctx.new_int(v).into());
        }
        Err(vm.new_type_error(format!(
            "type '{}' doesn't define '__floor__' method",
            x.class().name(),
        )))
    }

    #[pyfunction]
    fn frexp(x: ArgIntoFloat) -> (f64, i32) {