forked from M-Labs/nalgebra
73 lines
1.7 KiB
Rust
73 lines
1.7 KiB
Rust
use aliases::TVec;
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use na::{DefaultAllocator, Real};
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use traits::{Alloc, Dimension};
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/// Component-wise exponential.
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///
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/// # See also:
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///
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/// * [`exp2`](fn.exp2.html)
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pub fn exp<N: Real, D: Dimension>(v: &TVec<N, D>) -> TVec<N, D>
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where DefaultAllocator: Alloc<N, D> {
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v.map(|x| x.exp())
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}
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/// Component-wise base-2 exponential.
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///
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/// # See also:
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///
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/// * [`exp`](fn.exp.html)
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pub fn exp2<N: Real, D: Dimension>(v: &TVec<N, D>) -> TVec<N, D>
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where DefaultAllocator: Alloc<N, D> {
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v.map(|x| x.exp2())
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}
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/// Compute the inverse of the square root of each component of `v`.
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///
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/// # See also:
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///
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/// * [`sqrt`](fn.sqrt.html)
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pub fn inversesqrt<N: Real, D: Dimension>(v: &TVec<N, D>) -> TVec<N, D>
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where DefaultAllocator: Alloc<N, D> {
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v.map(|x| N::one() / x.sqrt())
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}
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/// Component-wise logarithm.
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///
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/// # See also:
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///
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/// * [`log2`](fn.log2.html)
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pub fn log<N: Real, D: Dimension>(v: &TVec<N, D>) -> TVec<N, D>
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where DefaultAllocator: Alloc<N, D> {
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v.map(|x| x.ln())
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}
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/// Component-wise base-2 logarithm.
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///
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/// # See also:
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///
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/// * [`log`](fn.log.html)
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pub fn log2<N: Real, D: Dimension>(v: &TVec<N, D>) -> TVec<N, D>
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where DefaultAllocator: Alloc<N, D> {
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v.map(|x| x.log2())
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}
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/// Component-wise power.
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pub fn pow<N: Real, D: Dimension>(base: &TVec<N, D>, exponent: &TVec<N, D>) -> TVec<N, D>
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where DefaultAllocator: Alloc<N, D> {
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base.zip_map(exponent, |b, e| b.powf(e))
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}
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/// Component-wise square root.
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///
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/// # See also:
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///
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/// * [`exp`](fn.exp.html)
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/// * [`exp2`](fn.exp2.html)
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/// * [`inversesqrt`](fn.inversesqrt.html)
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/// * [`pow`](fn.pow.html)
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pub fn sqrt<N: Real, D: Dimension>(v: &TVec<N, D>) -> TVec<N, D>
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where DefaultAllocator: Alloc<N, D> {
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v.map(|x| x.sqrt())
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}
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