Added nounit and tobase functions

src/evaluate/function.rs

@@ -11,6 +11,13 @@ pub fn eval_function(f: &Function, args: &VecDeque<Token>) -> Result<Token, Eval
 	let a = &args[0];
 	let Token::Quantity(q) = a else {panic!()};
 
+
+	match f {
+		Function::NoUnit => { return Ok(Token::Quantity(q.without_unit())); }
+		Function::ToBase => { return Ok(Token::Quantity(q.convert_to_base())); }
+		_ => {}
+	}
+
 	if !q.unitless() {
 		return Err(EvalError::IncompatibleUnit);
 	}
@@ -89,5 +96,8 @@ pub fn eval_function(f: &Function, args: &VecDeque<Token>) -> Result<Token, Eval
 			);
 		},
 
+		Function::ToBase
+		| Function::NoUnit
+		=> panic!()
 	}
 }

src/parser/token/function.rs

@@ -28,10 +28,14 @@ pub enum Function {
 	Csch,
 	Sech,
 	Coth,
+
+	NoUnit,
+	ToBase
 }
 
-impl Function {
+
-	pub fn to_string(&self) -> String {
+impl ToString for Function {
+	fn to_string(&self) -> String {
 		match self {
 			Function::Abs => { String::from("abs") },
 			Function::Floor => { String::from("floor") },
@@ -57,6 +61,45 @@ impl Function {
 			Function::Csch => { String::from("csch") },
 			Function::Sech => { String::from("sech") },
 			Function::Coth => { String::from("coth") },
+			Function::NoUnit => { String::from("nounit") },
+			Function::ToBase => { String::from("tobase") },
+		}
+	}
+
+}
+
+impl Function {
+	#[inline(always)]
+	pub fn from_string(s: &str) -> Option<Function> {
+		match s {
+			"abs"     => {Some(Function::Abs)},
+			"floor"   => {Some(Function::Floor)},
+			"ceil"    => {Some(Function::Ceil)},
+			"round"   => {Some(Function::Round)},
+			"ln"      => {Some(Function::NaturalLog)},
+			"log"     => {Some(Function::TenLog)},
+			"sin"     => {Some(Function::Sin)},
+			"cos"     => {Some(Function::Cos)},
+			"tan"     => {Some(Function::Tan)},
+			"asin"    => {Some(Function::Asin)},
+			"acos"    => {Some(Function::Acos)},
+			"atan"    => {Some(Function::Atan)},
+			"csc"     => {Some(Function::Csc)},
+			"secant"  => {Some(Function::Sec)},
+			"cot"     => {Some(Function::Cot)},
+			"sinh"    => {Some(Function::Sinh)},
+			"cosh"    => {Some(Function::Cosh)},
+			"tanh"    => {Some(Function::Tanh)},
+			"asinh"   => {Some(Function::Asinh)},
+			"acosh"   => {Some(Function::Acosh)},
+			"atanh"   => {Some(Function::Atanh)},
+			"csch"    => {Some(Function::Csch)},
+			"sech"    => {Some(Function::Sech)},
+			"coth"    => {Some(Function::Coth)},
+
+			"nounit" => {Some(Function::NoUnit)},
+			"tobase" => {Some(Function::ToBase)}
+			_ => None
 		}
 	}
 }

src/parser/token/operator.rs

@@ -61,7 +61,13 @@ impl Operator {
 
 	#[inline(always)]
 	pub fn from_string(s: &str) -> Option<Operator> {
-		match s {
+
+		let f = Function::from_string(s);
+		if let Some(f) = f {
+			return Some(Operator::Function(f));
+		}
+
+		return match s {
 			"+"      => {Some( Operator::Add )},
 			"-"      => {Some( Operator::Subtract )},
 			"neg"    => {Some( Operator::Negative )},
@@ -76,32 +82,8 @@ impl Operator {
 			"!"      => {Some( Operator::Factorial )},
 			"sqrt"|"rt"|"√" => {Some( Operator::Sqrt )},
 
-			"abs"     => {Some( Operator::Function(Function::Abs) )},
-			"floor"   => {Some( Operator::Function(Function::Floor) )},
-			"ceil"    => {Some( Operator::Function(Function::Ceil) )},
-			"round"   => {Some( Operator::Function(Function::Round) )},
-			"ln"      => {Some( Operator::Function(Function::NaturalLog) )},
-			"log"     => {Some( Operator::Function(Function::TenLog) )},
-			"sin"     => {Some( Operator::Function(Function::Sin) )},
-			"cos"     => {Some( Operator::Function(Function::Cos) )},
-			"tan"     => {Some( Operator::Function(Function::Tan) )},
-			"asin"    => {Some( Operator::Function(Function::Asin) )},
-			"acos"    => {Some( Operator::Function(Function::Acos) )},
-			"atan"    => {Some( Operator::Function(Function::Atan) )},
-			"csc"     => {Some( Operator::Function(Function::Csc) )},
-			"secant"  => {Some( Operator::Function(Function::Sec) )},
-			"cot"     => {Some( Operator::Function(Function::Cot) )},
-			"sinh"    => {Some( Operator::Function(Function::Sinh) )},
-			"cosh"    => {Some( Operator::Function(Function::Cosh) )},
-			"tanh"    => {Some( Operator::Function(Function::Tanh) )},
-			"asinh"   => {Some( Operator::Function(Function::Asinh) )},
-			"acosh"   => {Some( Operator::Function(Function::Acosh) )},
-			"atanh"   => {Some( Operator::Function(Function::Atanh) )},
-			"csch"    => {Some( Operator::Function(Function::Csch) )},
-			"sech"    => {Some( Operator::Function(Function::Sech) )},
-			"coth"    => {Some( Operator::Function(Function::Coth) )},
 			_ => None
-		}
+		};
 	}
 
 	#[inline(always)]

src/quantity/quantity.rs

@@ -99,16 +99,19 @@ impl Quantity {
 
 	pub fn insert_unit(&mut self, ui: FreeUnit, pi: Scalar) { self.unit.insert(ui, pi) }
 	pub fn set_unit(&mut self, u: Unit) { self.unit = u; }
+	pub fn without_unit(&self) -> Quantity { Quantity::from_scalar(self.scalar.clone()) }
 
-
+	pub fn convert_to(&self, other: Quantity) -> Option<Quantity> {
-	pub fn convert_to(self, other: Quantity) -> Option<Quantity> {
 		if !self.unit.compatible_with(&other.unit) { return None; }
 
+		let n = self.clone();
 		let fa = self.unit.to_base_factor();
 		let fb = other.unit.to_base_factor();
 
-		return Some(self.mul_no_convert(fa).div_no_convert(fb))
+		return Some(n.mul_no_convert(fa).div_no_convert(fb))
 	}
+
+	pub fn convert_to_base(&self) -> Quantity { self.convert_to(self.unit.to_base()).unwrap() }
 }
 
 

src/quantity/unit/freeunit.rs

@@ -51,7 +51,7 @@ impl FreeUnit {
 	}
 
 	// Get this unit in terms of base units
-	pub fn get_base(&self) -> Quantity {
+	pub fn to_base(&self) -> Quantity {
 		let q = self.whole.base_factor();
 		let mut q = q.unwrap_or(Quantity::new_rational_from_string("1").unwrap());
 

src/quantity/unit/unit.rs

@@ -123,7 +123,7 @@ impl Unit {
 			flag = false;
 			for (uo, po) in other.get_val() {
 				if {
-					us.get_base().unit.compatible_with(&uo.get_base().unit)
+					us.to_base().unit.compatible_with(&uo.to_base().unit)
 				} {
 					factor.insert_unit(us.clone(), po.clone());
 					flag = true;
@@ -141,7 +141,7 @@ impl Unit {
 			flag = false;
 			for (us, _) in self.get_val() {
 				if {
-					us.get_base().unit.compatible_with(&uo.get_base().unit)
+					us.to_base().unit.compatible_with(&uo.to_base().unit)
 				} {
 					factor.insert_unit(us.clone(), po.clone());
 					flag = true;
@@ -186,11 +186,21 @@ impl Unit {
 
 		return q;
 	}
+
+	pub fn to_base(&self) -> Quantity {
+		let mut q = Quantity::new_rational(1f64).unwrap();
+
+		for (u, p) in self.get_val().iter() {
+			let b = u.to_base();
+			q.mul_assign_no_convert(b.pow(Quantity::from_scalar(p.clone())));
+		}
+
+		return q;
+	}
 }
 
 impl Unit {
 	pub fn from_string(s: &str) -> Option<Quantity> {
-
 		let b = freeunit_from_string(s);
 		if b.is_none() { return None; }
 		let b = Unit::from_free(b.unwrap());