Use RealField

Author: termoshtt

src/util.rs

@@ -1,7 +1,6 @@
 //! misc utilities
 
 use ndarray::*;
-use num_traits::Float;
 use std::ops::Div;
 
 use super::types::*;
@@ -16,7 +15,7 @@ pub enum NormalizeAxis {
 pub fn normalize<A, S, T>(mut m: ArrayBase<S, Ix2>, axis: NormalizeAxis) -> (ArrayBase<S, Ix2>, Vec<T>)
     where A: Field + Absolute<Output = T> + Div<T, Output = A>,
           S: DataMut<Elem = A>,
-          T: Field + Float
+          T: RealField
 {
     let mut ms = Vec::new();
     for mut v in m.axis_iter_mut(Axis(axis as usize)) {

src/vector.rs

@@ -1,8 +1,6 @@
 //! Define trait for vectors
 
 use ndarray::*;
-use num_traits::Float;
-
 use super::types::*;
 
 /// Define norm as a metric linear space (not as a matrix)
@@ -24,7 +22,7 @@ pub trait Norm {
 
 impl<A, S, D, T> Norm for ArrayBase<S, D>
     where A: Field + Absolute<Output = T>,
-          T: Field + Float,
+          T: RealField,
           S: Data<Elem = A>,
           D: Dimension
 {