nautilus_model/ffi/types/price.rs
1// -------------------------------------------------------------------------------------------------
2// Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
3// https://nautechsystems.io
4//
5// Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6// You may not use this file except in compliance with the License.
7// You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16use crate::types::price::{Price, PriceRaw};
17
18/// Creates a new [`Price`] instance for FFI.
19///
20/// # Panics
21///
22/// Panics if a correctness check fails. See [`Price::new`] for more details.
23#[unsafe(no_mangle)]
24#[cfg_attr(feature = "high-precision", allow(improper_ctypes_definitions))]
25pub extern "C" fn price_new(value: f64, precision: u8) -> Price {
26 Price::new(value, precision)
27}
28
29#[unsafe(no_mangle)]
30#[cfg_attr(feature = "high-precision", allow(improper_ctypes_definitions))]
31pub extern "C" fn price_from_raw(raw: PriceRaw, precision: u8) -> Price {
32 Price::from_raw(raw, precision)
33}
34
35#[unsafe(no_mangle)]
36pub extern "C" fn price_as_f64(price: &Price) -> f64 {
37 price.as_f64()
38}