Upgrade to rust-decimal 1.16 and add sin/cos/tan.

CHANGELOG.md

@@ -29,6 +29,7 @@ Enhancements
 * `Dynamic::as_string` and `Dynamic::as_immutable_string` are deprecated and replaced by `into_string` and `into_immutable_string` respectively.
 * Added a number of constants to `Dynamic`.
 * Added a number of constants and `fromXXX` constant methods to `Dynamic`.
+* Added `sin`, `cos` and `tan` for `Decimal` values.
 
 ### `Decimal` Values
 

Cargo.toml

@@ -92,7 +92,7 @@ default-features = false
 optional = true
 
 [dependencies.rust_decimal]
-version = "1.15"
+version = "1.16"
 default-features = false
 features = ["maths"]
 optional = true

src/packages/math_basic.rs

@@ -325,6 +325,15 @@ mod decimal_functions {
         }
     }
 
+    pub fn sin(x: Decimal) -> Decimal {
+        x.sin()
+    }
+    pub fn cos(x: Decimal) -> Decimal {
+        x.cos()
+    }
+    pub fn tan(x: Decimal) -> Decimal {
+        x.tan()
+    }
     #[rhai_fn(return_raw)]
     pub fn sqrt(x: Decimal) -> Result<Decimal, Box<EvalAltResult>> {
         x.sqrt()