rssn 0.2.9

A comprehensive scientific computing library for Rust, aiming for feature parity with NumPy and SymPy.
Documentation
use crate::ffi_apis::common::BincodeBuffer;
use crate::ffi_apis::common::from_bincode_buffer;
use crate::ffi_apis::common::to_bincode_buffer;
use crate::symbolic::core::Expr;
use crate::symbolic::integration::integrate_rational_function_expr;
use crate::symbolic::integration::risch_norman_integrate;

/// Integrates an expression using the Risch-Norman algorithm (Bincode)
#[unsafe(no_mangle)]
pub extern "C" fn rssn_bincode_risch_norman_integrate(
    expr_buf: BincodeBuffer,
    x_buf: BincodeBuffer,
) -> BincodeBuffer {
    let expr: Option<Expr> = from_bincode_buffer(&expr_buf);

    let x: Option<String> = from_bincode_buffer(&x_buf);

    match (expr, x) {
        | (Some(e), Some(var)) => {
            let result = risch_norman_integrate(&e, &var);

            to_bincode_buffer(&result)
        },
        | _ => BincodeBuffer::empty(),
    }
}

/// Integrates a rational function (Bincode)
#[unsafe(no_mangle)]
pub extern "C" fn rssn_bincode_integrate_rational_function(
    expr_buf: BincodeBuffer,
    x_buf: BincodeBuffer,
) -> BincodeBuffer {
    let expr: Option<Expr> = from_bincode_buffer(&expr_buf);

    let x: Option<String> = from_bincode_buffer(&x_buf);

    match (expr, x) {
        | (Some(e), Some(var)) => {
            match integrate_rational_function_expr(&e, &var) {
                | Ok(result) => to_bincode_buffer(&result),
                | Err(_) => BincodeBuffer::empty(),
            }
        },
        | _ => BincodeBuffer::empty(),
    }
}