forked from M-Labs/nalgebra
65 lines
1.5 KiB
Rust
65 lines
1.5 KiB
Rust
use crate::aliases::TVec;
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use na::RealField;
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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<T: RealField, const D: usize>(v: &TVec<T, D>) -> TVec<T, 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<T: RealField, const D: usize>(v: &TVec<T, D>) -> TVec<T, 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<T: RealField, const D: usize>(v: &TVec<T, D>) -> TVec<T, D> {
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v.map(|x| T::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<T: RealField, const D: usize>(v: &TVec<T, D>) -> TVec<T, 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<T: RealField, const D: usize>(v: &TVec<T, D>) -> TVec<T, 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<T: RealField, const D: usize>(base: &TVec<T, D>, exponent: &TVec<T, D>) -> TVec<T, 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<T: RealField, const D: usize>(v: &TVec<T, D>) -> TVec<T, D> {
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v.map(|x| x.sqrt())
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}
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