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Bitshift operations, closes #80

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PaddiM8 2022-01-01 00:58:20 +01:00
parent 1bdecd3921
commit 7892eee23e
3 changed files with 66 additions and 0 deletions
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5
kalk/src/prelude/mod.rs
View File

@ -91,10 +91,15 @@ lazy_static! {
m.insert("sqrt", (UnaryFuncInfo(sqrt, Other), ""));
m.insert("√", (UnaryFuncInfo(sqrt, Other), ""));
m.insert("trunc", (UnaryFuncInfo(trunc, Other), ""));
m.insert("bitcmp", (UnaryFuncInfo(bitcmp, Other), ""));
m
};
pub static ref BINARY_FUNCS: HashMap<&'static str, (BinaryFuncInfo, &'static str)> = {
let mut m = HashMap::new();
m.insert("bitand", (BinaryFuncInfo(bitand, Other), ""));
m.insert("bitor", (BinaryFuncInfo(bitor, Other), ""));
m.insert("bitxor", (BinaryFuncInfo(bitxor, Other), ""));
m.insert("bitshift", (BinaryFuncInfo(bitshift, Other), ""));
m.insert("max", (BinaryFuncInfo(max, Other), ""));
m.insert("min", (BinaryFuncInfo(min, Other), ""));
m.insert("hypot", (BinaryFuncInfo(hypot, Other), ""));

26
kalk/src/prelude/regular.rs
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@ -50,6 +50,32 @@ pub(crate) mod funcs {
2f64.sqrt() * pi.sqrt() * t.powf(x - 0.5f64) * (-t).exp() * a
}
pub fn bitcmp(x: KalkNum, y: KalkNum) -> KalkNum {
KalkNum::from(!x.value.round() as i32)
}
pub fn bitand(x: KalkNum, y: KalkNum) -> KalkNum {
KalkNum::from(x.value.round() as i32 & y.value.round() as i32)
}
pub fn bitor(x: KalkNum, y: KalkNum) -> KalkNum {
KalkNum::from(x.value.round() as i32 | y.value.round() as i32)
}
pub fn bitxor(x: KalkNum, y: KalkNum) -> KalkNum {
KalkNum::from(x.value.round() as i32 ^ y.value.round() as i32)
}
pub fn bitshift(x: KalkNum, y: KalkNum) -> KalkNum {
let x = x.value.round() as i32;
let y = y.value.round() as i32;
if y < 0 {
KalkNum::from((x >> y.abs()))
} else {
KalkNum::from((x << y))
}
}
pub fn hypot(x: KalkNum, y: KalkNum) -> KalkNum {
if x.has_imaginary() || y.has_imaginary() {
let abs_x = abs(x);

35
kalk/src/prelude/with_rug.rs
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@ -18,6 +18,41 @@ pub(crate) mod funcs {
KalkNum::new(x.value.gamma(), &x.unit)
}
pub fn bitcmp(x: KalkNum) -> KalkNum {
KalkNum::from(!x.value.to_i32_saturating().unwrap_or(i32::MAX))
}
pub fn bitand(x: KalkNum, y: KalkNum) -> KalkNum {
KalkNum::from(
x.value.to_i32_saturating().unwrap_or(i32::MAX)
& y.value.to_i32_saturating().unwrap_or(i32::MAX),
)
}
pub fn bitor(x: KalkNum, y: KalkNum) -> KalkNum {
KalkNum::from(
x.value.to_i32_saturating().unwrap_or(i32::MAX)
| y.value.to_i32_saturating().unwrap_or(i32::MAX),
)
}
pub fn bitxor(x: KalkNum, y: KalkNum) -> KalkNum {
KalkNum::from(
x.value.to_i32_saturating().unwrap_or(i32::MAX)
^ y.value.to_i32_saturating().unwrap_or(i32::MAX),
)
}
pub fn bitshift(x: KalkNum, y: KalkNum) -> KalkNum {
let x = x.value.to_i32_saturating().unwrap_or(i32::MAX) as i32;
let y = y.value.to_i32_saturating().unwrap_or(i32::MAX) as i32;
if y < 0 {
KalkNum::from(x >> y.abs())
} else {
KalkNum::from(x << y)
}
}
pub fn hypot(x: KalkNum, y: KalkNum) -> KalkNum {
if x.has_imaginary() || y.has_imaginary() {
let abs_x = abs(x);