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added speed of light global

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This commit is contained in:
Valerie Wolfe 2024-02-28 20:59:52 -05:00
parent f7d6ee9d7e
commit 6b36e8340d
3 changed files with 4 additions and 2 deletions
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1
src/global.rs
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@ -1,6 +1,7 @@
pub const EULER: f64 = 2.718281828459045; pub const EULER: f64 = 2.718281828459045;
pub const GOLDEN_RATIO: f64 = 1.618033988749895; pub const GOLDEN_RATIO: f64 = 1.618033988749895;
pub const LIGHT_SPEED: f64 = 299792458f64;
pub const PI: f64 = 3.141592653589793; pub const PI: f64 = 3.141592653589793;
pub const ROOT_TWO: f64 = 1.414213562373095; pub const ROOT_TWO: f64 = 1.414213562373095;

4
src/helper.rs
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@ -15,7 +15,7 @@ pub fn fix(arg: &Value) -> EvalResult {
let count = args.len(); let count = args.len();
if count != 2 { if count != 2 {
return Err(EvalexprError::WrongFunctionArgumentAmount { expected: 2, actual: count }); return Err(EvalexprError::WrongFunctionArgumentAmount { expected: 2..=2, actual: count });
} }
let float = args[0].as_float()?; let float = args[0].as_float()?;
@ -63,7 +63,7 @@ pub fn logarithm(arg: &Value) -> EvalResult {
output = value.log(base).into(); output = value.log(base).into();
}, },
_ => { _ => {
return Err(EvalexprError::WrongFunctionArgumentAmount { expected: 2, actual: count }); return Err(EvalexprError::WrongFunctionArgumentAmount { expected: 2..=2, actual: count });
} }
} }
return Ok(output); return Ok(output);

1
src/main.rs
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@ -31,6 +31,7 @@ fn main() {
// build eval context // build eval context
let mut context = context_map! { let mut context = context_map! {
// globals // globals
"c" => global::LIGHT_SPEED,
"e" => global::EULER, "e" => global::EULER,
"phi" => global::GOLDEN_RATIO, "phi" => global::GOLDEN_RATIO,
"pi" => global::PI, "pi" => global::PI,