nalgebra/src/core/scalar.rs
2017-08-15 19:07:18 +02:00

18 lines
560 B
Rust

use std::any::TypeId;
use std::fmt::Debug;
use std::any::Any;
/// The basic scalar type for all structures of `nalgebra`.
///
/// This does not make any assumption on the algebraic properties of `Self`.
pub trait Scalar: Copy + PartialEq + Debug + Any {
#[inline]
/// Tests if `Self` the the same as the type `T`
///
/// Typically used to test of `Self` is a f32 or a f64 with `N::is::<f32>()`.
fn is<T: Scalar>() -> bool {
TypeId::of::<Self>() == TypeId::of::<T>()
}
}
impl<T: Copy + PartialEq + Debug + Any> Scalar for T { }