rssn 0.2.9

A comprehensive scientific computing library for Rust, aiming for feature parity with NumPy and SymPy.
Documentation 
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//! Bincode-based FFI API for relativity functions.

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::relativity;

/// Calculates Lorentz factor using Bincode.
#[unsafe(no_mangle)]
pub extern "C" fn rssn_bincode_lorentz_factor(velocity_buf: BincodeBuffer) -> BincodeBuffer {
    let velocity: Option<Expr> = from_bincode_buffer(&velocity_buf);

    if let Some(v) = velocity {
        to_bincode_buffer(&relativity::lorentz_factor(&v))
    } else {
        BincodeBuffer::empty()
    }
}

/// Calculates mass-energy equivalence using Bincode.
#[unsafe(no_mangle)]
pub extern "C" fn rssn_bincode_mass_energy_equivalence(mass_buf: BincodeBuffer) -> BincodeBuffer {
    let mass: Option<Expr> = from_bincode_buffer(&mass_buf);

    if let Some(m) = mass {
        to_bincode_buffer(&relativity::mass_energy_equivalence(&m))
    } else {
        BincodeBuffer::empty()
    }
}

/// Calculates Schwarzschild radius using Bincode.
#[unsafe(no_mangle)]
pub extern "C" fn rssn_bincode_schwarzschild_radius(mass_buf: BincodeBuffer) -> BincodeBuffer {
    let mass: Option<Expr> = from_bincode_buffer(&mass_buf);

    if let Some(m) = mass {
        to_bincode_buffer(&relativity::schwarzschild_radius(&m))
    } else {
        BincodeBuffer::empty()
    }
}