30 lines
831 B
Rust
30 lines
831 B
Rust
use std::any::Any;
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use std::any::TypeId;
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use std::fmt::Debug;
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/// The basic scalar type for all structures of `nalgebra`.
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///
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/// This does not make any assumption on the algebraic properties of `Self`.
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pub trait Scalar: Clone + PartialEq + Debug + Any {
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#[inline]
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/// Tests if `Self` the same as the type `T`
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///
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/// Typically used to test of `Self` is a f32 or a f64 with `N::is::<f32>()`.
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fn is<T: Scalar>() -> bool {
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TypeId::of::<Self>() == TypeId::of::<T>()
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}
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#[inline(always)]
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/// Performance hack: Clone doesn't get inlined for Copy types in debug mode, so make it inline anyway.
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fn inlined_clone(&self) -> Self {
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self.clone()
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}
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}
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impl<T: Copy + PartialEq + Debug + Any> Scalar for T {
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#[inline(always)]
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fn inlined_clone(&self) -> T {
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*self
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}
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}
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