Remove lots of numeric traits from the preludes

Num, NumCast, Unsigned, Float, Primitive and Int have been removed.

src/test/bench/noise.rs

@@ -13,6 +13,7 @@
 // ignore-lexer-test FIXME #15679
 
 use std::f32::consts::PI;
+use std::num::{Float, FloatMath};
 use std::rand::{Rng, StdRng};
 
 struct Vec2 {

src/test/bench/shootout-fasta.rs

@@ -43,6 +43,7 @@
 use std::io;
 use std::io::{BufferedWriter, File};
 use std::cmp::min;
+use std::num::Float;
 use std::os;
 
 const LINE_LENGTH: uint = 60;

src/test/bench/shootout-k-nucleotide-pipes.rs

@@ -19,6 +19,7 @@ extern crate collections;
 
 use std::collections::HashMap;
 use std::mem::replace;
+use std::num::Float;
 use std::option;
 use std::os;
 use std::string::String;

src/test/bench/shootout-nbody.rs

@@ -38,6 +38,8 @@
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 // OF THE POSSIBILITY OF SUCH DAMAGE.
 
+use std::num::Float;
+
 const PI: f64 = 3.141592653589793;
 const SOLAR_MASS: f64 = 4.0 * PI * PI;
 const YEAR: f64 = 365.24;

src/test/bench/shootout-spectralnorm.rs

@@ -45,6 +45,7 @@
 
 use std::iter::AdditiveIterator;
 use std::mem;
+use std::num::Float;
 use std::os;
 use std::raw::Repr;
 use std::simd::f64x2;

src/test/bench/sudoku.rs

@@ -15,6 +15,7 @@
 use std::io;
 use std::io::stdio::StdReader;
 use std::io::BufferedReader;
+use std::num::Int;
 use std::os;
 
 // Computes a single solution to a given 9x9 sudoku

src/test/run-pass/generic-extern-mangle.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::num::Int;
+
 extern "C" fn foo<T: Int>(a: T, b: T) -> T { a + b }
 
 fn main() {

src/test/run-pass/issue-11736.rs

@@ -11,6 +11,7 @@
 extern crate collections;
 
 use std::collections::Bitv;
+use std::num::Float;
 
 fn main() {
     // Generate sieve of Eratosthenes for n up to 1e6

src/test/run-pass/trait-inheritance-num2.rs

@@ -12,6 +12,7 @@
 // A more complex example of numeric extensions
 
 use std::cmp::{PartialEq, PartialOrd};
+use std::num::NumCast;
 
 pub trait TypeExt {}
 

src/test/run-pass/trait-inheritance-num3.rs

@@ -11,11 +11,11 @@
 use std::cmp::{PartialEq, PartialOrd};
 use std::num::NumCast;
 
-pub trait NumExt: PartialEq + PartialOrd + Num + NumCast {}
+pub trait NumExt: PartialEq + PartialOrd + NumCast {}
 
 impl NumExt for f32 {}
 
-fn num_eq_one<T:NumExt>(n: T) {
+fn num_eq_one<T: NumExt>(n: T) {
     println!("{}", n == NumCast::from(1i).unwrap())
 }