Remove Float trait.

src/ast.rs

@@ -1480,9 +1480,6 @@ impl fmt::Debug for FloatWrapper {
 impl fmt::Display for FloatWrapper {
     #[inline(always)]
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        #[cfg(feature = "no_std")]
-        use num_traits::Float;
-
         let abs = self.0.abs();
         if abs > 10000000000000.0 || abs < 0.0000000000001 {
             write!(f, "{:e}", self.0)

src/dynamic.rs

@@ -8,7 +8,7 @@ use crate::stdlib::{
     fmt,
     hash::{Hash, Hasher},
     ops::{Deref, DerefMut},
-    string::String,
+    string::{String, ToString},
 };
 use crate::{FnPtr, ImmutableString, INT};
 

src/fn_builtin.rs

@@ -11,10 +11,6 @@ use crate::FLOAT;
 #[cfg(feature = "decimal")]
 use rust_decimal::Decimal;
 
-#[cfg(feature = "no_std")]
-#[cfg(not(feature = "no_float"))]
-use num_traits::float::Float;
-
 /// Is the type a numeric type?
 #[inline(always)]
 fn is_numeric(type_id: TypeId) -> bool {

src/packages/arithmetic.rs

@@ -7,10 +7,6 @@ use crate::{def_package, EvalAltResult, Position, INT};
 #[cfg(not(feature = "no_float"))]
 use crate::FLOAT;
 
-#[cfg(feature = "no_std")]
-#[cfg(not(feature = "no_float"))]
-use num_traits::float::Float;
-
 #[inline(always)]
 pub fn make_err(msg: impl Into<String>) -> Box<EvalAltResult> {
     EvalAltResult::ErrorArithmetic(msg.into(), Position::NONE).into()

src/packages/math_basic.rs

@@ -9,10 +9,6 @@ use crate::FLOAT;
 #[cfg(not(feature = "no_float"))]
 use crate::result::EvalAltResult;
 
-#[cfg(feature = "no_std")]
-#[cfg(not(feature = "no_float"))]
-use num_traits::float::Float;
-
 #[cfg(not(feature = "no_float"))]
 use crate::stdlib::format;
 

src/packages/string_basic.rs

@@ -57,9 +57,6 @@ mod print_debug_functions {
     pub mod float_functions {
         #[rhai_fn(name = "print", name = "to_string")]
         pub fn print_f64(number: f64) -> ImmutableString {
-            #[cfg(feature = "no_std")]
-            use num_traits::Float;
-
             let abs = number.abs();
             if abs > 10000000000000.0 || abs < 0.0000000000001 {
                 format!("{:e}", number).into()
@@ -69,9 +66,6 @@ mod print_debug_functions {
         }
         #[rhai_fn(name = "print", name = "to_string")]
         pub fn print_f32(number: f32) -> ImmutableString {
-            #[cfg(feature = "no_std")]
-            use num_traits::Float;
-
             let abs = number.abs();
             if abs > 10000000000000.0 || abs < 0.0000000000001 {
                 format!("{:e}", number).into()