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add basic arithmatic operations

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Signed-off-by: Ava Hahn <ava@aidanis.online>
This commit is contained in:
Ava Hahn 2023-03-06 19:05:34 -08:00
parent f8ab31e9aa
commit a429b546d0
Signed by untrusted user who does not match committer: affine
GPG key ID: 3A4645B8CF806069
5 changed files with 364 additions and 6 deletions
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104
src/segment.rs
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@ -16,7 +16,7 @@
*/
use std::fmt;
use std::marker::PhantomData;
use std::ops::Index;
use std::ops::{Add, Sub, Mul, Div, Index};
// Container
#[derive(Debug, Default)]
@ -268,6 +268,108 @@ impl PartialEq for Ctr {
}
}
impl Add<Ctr> for Ctr {
type Output = Ctr;
fn add(self, rh: Ctr) -> Ctr {
match self {
Ctr::Float(lhn) => match rh {
Ctr::Float(rhn) => Ctr::Float(lhn + rhn),
Ctr::Integer(rhn) => Ctr::Float(lhn + rhn as f64),
_ => unimplemented!("non-numeral on right hand side of add"),
},
Ctr::Integer(lhn) => match rh {
Ctr::Float(rhn) => Ctr::Float(lhn as f64 + rhn),
Ctr::Integer(rhn) => Ctr::Integer(lhn + rhn),
_ => unimplemented!("non-numeral on right hand side of add"),
},
Ctr::String(lhs) => match rh {
Ctr::String(rhs) => Ctr::String(lhs + &rhs),
_ => unimplemented!("add to string only implemented for other strings"),
},
_ => {
unimplemented!("datum does not support add")
}
}
}
}
impl Sub<Ctr> for Ctr {
type Output = Ctr;
fn sub(self, rh: Ctr) -> Ctr {
match self {
Ctr::Float(lhn) => match rh {
Ctr::Float(rhn) => Ctr::Float(lhn - rhn),
Ctr::Integer(rhn) => Ctr::Float(lhn - rhn as f64),
_ => unimplemented!("non-numeral on right hand side of sub"),
},
Ctr::Integer(lhn) => match rh {
Ctr::Float(rhn) => Ctr::Float(lhn as f64 - rhn),
Ctr::Integer(rhn) => Ctr::Integer(lhn - rhn),
_ => unimplemented!("non-numeral on right hand side of sub"),
},
_ => {
unimplemented!("datum does not support sub")
}
}
}
}
impl Mul<Ctr> for Ctr {
type Output = Ctr;
fn mul(self, rh: Ctr) -> Ctr {
match self {
Ctr::Float(lhn) => match rh {
Ctr::Float(rhn) => Ctr::Float(lhn * rhn),
Ctr::Integer(rhn) => Ctr::Float(lhn * rhn as f64),
_ => unimplemented!("non-numeral on right hand side of mul"),
},
Ctr::Integer(lhn) => match rh {
Ctr::Float(rhn) => Ctr::Float(lhn as f64 * rhn),
Ctr::Integer(rhn) => Ctr::Integer(lhn * rhn),
_ => unimplemented!("non-numeral on right hand side of mul"),
},
_ => {
unimplemented!("datum does not support mul")
}
}
}
}
impl Div<Ctr> for Ctr {
type Output = Ctr;
fn div(self, rh: Ctr) -> Ctr {
match self {
Ctr::Float(lhn) => match rh {
Ctr::Float(rhn) => Ctr::Float(lhn / rhn),
Ctr::Integer(rhn) => Ctr::Float(lhn / rhn as f64),
_ => unimplemented!("non-numeral on right hand side of div"),
},
Ctr::Integer(lhn) => match rh {
Ctr::Float(rhn) => Ctr::Float(lhn as f64 / rhn),
Ctr::Integer(rhn) => Ctr::Integer(lhn / rhn),
_ => unimplemented!("non-numeral on right hand side of div"),
},
_ => {
unimplemented!("datum does not support div")
}
}
}
}
impl fmt::Display for Seg {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", seg_to_string(self, true))