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Added functions Re(z) and Im(z)

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bakk 2021-05-25 22:12:26 +02:00
parent a42bb5d002
commit b6412aca1e
1 changed files with 10 additions and 0 deletions
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10
kalk/src/prelude/mod.rs
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@ -92,10 +92,12 @@ lazy_static! {
m.insert("exp", (UnaryFuncInfo(exp, Other), ""));
m.insert("floor", (UnaryFuncInfo(floor, Other), ""));
m.insert("frac", (UnaryFuncInfo(frac, Other), ""));
m.insert("Im", (UnaryFuncInfo(im, Other), ""));
m.insert("gamma", (UnaryFuncInfo(gamma, Other), ""));
m.insert("Γ", (UnaryFuncInfo(gamma, Other), ""));
m.insert("log", (UnaryFuncInfo(log, Other), ""));
m.insert("ln", (UnaryFuncInfo(ln, Other), ""));
m.insert("Re", (UnaryFuncInfo(re, Other), ""));
m.insert("round", (UnaryFuncInfo(round, Other), ""));
m.insert("sqrt", (UnaryFuncInfo(sqrt, Other), ""));
m.insert("√", (UnaryFuncInfo(sqrt, Other), ""));
@ -500,6 +502,10 @@ pub mod funcs {
KalkNum::new_with_imaginary(x.value.fract(), &x.unit, x.imaginary_value.fract())
}
pub fn im(x: KalkNum) -> KalkNum {
KalkNum::new_with_imaginary(x.value, "", KalkNum::default().value)
}
pub fn log(x: KalkNum) -> KalkNum {
if x.has_imaginary() || x.value < 0f64 {
// ln(z) / ln(10)
@ -532,6 +538,10 @@ pub mod funcs {
x.pow_without_unit(KalkNum::from(1f64).div_without_unit(n))
}
pub fn re(x: KalkNum) -> KalkNum {
KalkNum::new_with_imaginary(KalkNum::default().value, "", x.imaginary_value)
}
pub fn round(x: KalkNum) -> KalkNum {
KalkNum::new_with_imaginary(x.value.round(), &x.unit, x.imaginary_value.round())
}