StrafesNET/fixed_wide_vectors
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wip cordic

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Quaternions 2024-08-27 17:17:16 -07:00
parent e878644a48
commit bf55d52c1b
4 changed files with 94 additions and 0 deletions
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56
fixed_wide/Cargo.lock generated
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@ -2,17 +2,63 @@
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"cordic",
"fixed_wide_traits", "fixed_wide_traits",
"typenum", "typenum",
] ]
@ -21,6 +67,16 @@ dependencies = [
name = "fixed_wide_traits" name = "fixed_wide_traits"
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2
fixed_wide/Cargo.toml
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@ -6,8 +6,10 @@ edition = "2021"
[features] [features]
default=["fixed_wide_traits"] default=["fixed_wide_traits"]
fixed_wide_traits=["dep:fixed_wide_traits"] fixed_wide_traits=["dep:fixed_wide_traits"]
cordic=["dep:cordic"]
[dependencies] [dependencies]
bnum = "0.11.0" bnum = "0.11.0"
typenum = "1.17.0" typenum = "1.17.0"
fixed_wide_traits = { version = "0.1.0", path = "../fixed_wide_traits", optional = true } fixed_wide_traits = { version = "0.1.0", path = "../fixed_wide_traits", optional = true }
cordic = { version = "0.1.5", optional = true }

33
fixed_wide/src/cordic.rs Normal file
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@ -0,0 +1,33 @@
use bnum::BInt;
use typenum::Unsigned;
use crate::fixed::Fixed;
use std::marker::PhantomData;
impl<const CHUNKS:usize,Frac:Unsigned> cordic::CordicNumber for Fixed<CHUNKS,Frac>{
fn floor(self)->Self{
Self{
bits:self.bits.bitand(BInt::<CHUNKS>::ONE.shl(Frac::U32).sub(BInt::<CHUNKS>::ONE).not()),
frac:PhantomData,
}
}
fn zero()->Self{
Self::ZERO
}
fn one()->Self{
Self::ONE
}
fn from_u0f64(val:U0F64)->Self{
val
}
fn num_fract_bits()->u8{
Frac::U8
}
fn num_bits()->u8{
CHUNKS as u8*64
}
}

3
fixed_wide/src/lib.rs
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@ -9,3 +9,6 @@ pub mod typenum{
mod fixed_wide_traits; mod fixed_wide_traits;
#[cfg(feature="fixed_wide_traits")] #[cfg(feature="fixed_wide_traits")]
pub use ::fixed_wide_traits::wide; pub use ::fixed_wide_traits::wide;
#[cfg(feature="cordic")]
mod cordic;