Replaces the free-standing functions in f32, &c.

doc/rust.md

@@ -802,11 +802,11 @@ Use declarations support a number of convenient shortcuts:
 An example of `use` declarations:
 
 ~~~~
-use std::float::sin;
+use std::num::sin;
 use std::option::{Some, None};
 
 fn main() {
-    // Equivalent to 'info!(std::float::sin(1.0));'
+    // Equivalent to 'info!(std::num::sin(1.0));'
     info!(sin(1.0));
 
     // Equivalent to 'info!(~[std::option::Some(1.0), std::option::None]);'

doc/tutorial.md

@@ -503,12 +503,13 @@ types.
 
 ~~~~
 # use std::float;
+# use std::num::atan;
 fn angle(vector: (float, float)) -> float {
     let pi = float::consts::pi;
     match vector {
       (0f, y) if y < 0f => 1.5 * pi,
       (0f, y) => 0.5 * pi,
-      (x, y) => float::atan(y / x)
+      (x, y) => atan(y / x)
     }
 }
 ~~~~
@@ -1728,10 +1729,9 @@ To call such a method, just prefix it with the type name and a double colon:
 
 ~~~~
 # use std::float::consts::pi;
-# use std::float::sqrt;
 struct Circle { radius: float }
 impl Circle {
-    fn new(area: float) -> Circle { Circle { radius: sqrt(area / pi) } }
+    fn new(area: float) -> Circle { Circle { radius: (area / pi).sqrt() } }
 }
 let c = Circle::new(42.5);
 ~~~~
@@ -1997,16 +1997,15 @@ implementation to use.
 
 ~~~~
 # use std::float::consts::pi;
-# use std::float::sqrt;
 trait Shape { fn new(area: float) -> Self; }
 struct Circle { radius: float }
 struct Square { length: float }
 
 impl Shape for Circle {
-    fn new(area: float) -> Circle { Circle { radius: sqrt(area / pi) } }
+    fn new(area: float) -> Circle { Circle { radius: (area / pi).sqrt() } }
 }
 impl Shape for Square {
-    fn new(area: float) -> Square { Square { length: sqrt(area) } }
+    fn new(area: float) -> Square { Square { length: (area).sqrt() } }
 }
 
 let area = 42.5;
@@ -2154,14 +2153,13 @@ Now, we can implement `Circle` on a type only if we also implement `Shape`.
 
 ~~~~
 # use std::float::consts::pi;
-# use std::float::sqrt;
 # trait Shape { fn area(&self) -> float; }
 # trait Circle : Shape { fn radius(&self) -> float; }
 # struct Point { x: float, y: float }
 # fn square(x: float) -> float { x * x }
 struct CircleStruct { center: Point, radius: float }
 impl Circle for CircleStruct {
-    fn radius(&self) -> float { sqrt(self.area() / pi) }
+    fn radius(&self) -> float { (self.area() / pi).sqrt() }
 }
 impl Shape for CircleStruct {
     fn area(&self) -> float { pi * square(self.radius) }
@@ -2190,12 +2188,11 @@ Likewise, supertrait methods may also be called on trait objects.
 
 ~~~ {.xfail-test}
 # use std::float::consts::pi;
-# use std::float::sqrt;
 # trait Shape { fn area(&self) -> float; }
 # trait Circle : Shape { fn radius(&self) -> float; }
 # struct Point { x: float, y: float }
 # struct CircleStruct { center: Point, radius: float }
-# impl Circle for CircleStruct { fn radius(&self) -> float { sqrt(self.area() / pi) } }
+# impl Circle for CircleStruct { fn radius(&self) -> float { (self.area() / pi).sqrt() } }
 # impl Shape for CircleStruct { fn area(&self) -> float { pi * square(self.radius) } }
 
 let concrete = @CircleStruct{center:Point{x:3f,y:4f},radius:5f};

src/libextra/arena.rs

@@ -40,6 +40,7 @@ use list::{MutList, MutCons, MutNil};
 use std::at_vec;
 use std::cast::{transmute, transmute_mut, transmute_mut_region};
 use std::cast;
+use std::num;
 use std::ptr;
 use std::sys;
 use std::uint;
@@ -175,7 +176,7 @@ impl Arena {
     fn alloc_pod_grow(&mut self, n_bytes: uint, align: uint) -> *u8 {
         // Allocate a new chunk.
         let chunk_size = at_vec::capacity(self.pod_head.data);
-        let new_min_chunk_size = uint::max(n_bytes, chunk_size);
+        let new_min_chunk_size = num::max(n_bytes, chunk_size);
         self.chunks = @mut MutCons(copy self.pod_head, self.chunks);
         self.pod_head =
             chunk(uint::next_power_of_two(new_min_chunk_size + 1u), true);
@@ -217,7 +218,7 @@ impl Arena {
                          -> (*u8, *u8) {
         // Allocate a new chunk.
         let chunk_size = at_vec::capacity(self.head.data);
-        let new_min_chunk_size = uint::max(n_bytes, chunk_size);
+        let new_min_chunk_size = num::max(n_bytes, chunk_size);
         self.chunks = @mut MutCons(copy self.head, self.chunks);
         self.head =
             chunk(uint::next_power_of_two(new_min_chunk_size + 1u), false);

src/libextra/bitv.rs

@@ -12,6 +12,7 @@
 
 
 use std::cmp;
+use std::num;
 use std::ops;
 use std::uint;
 use std::vec;
@@ -726,7 +727,7 @@ impl Set<uint> for BitvSet {
         }
         let nbits = self.capacity();
         if value >= nbits {
-            let newsize = uint::max(value, nbits * 2) / uint::bits + 1;
+            let newsize = num::max(value, nbits * 2) / uint::bits + 1;
             assert!(newsize > self.bitv.storage.len());
             self.bitv.storage.grow(newsize, &0);
         }
@@ -825,7 +826,7 @@ impl BitvSet {
     /// and w1/w2 are the words coming from the two vectors self, other.
     fn each_common(&self, other: &BitvSet,
                    f: &fn(uint, uint, uint) -> bool) -> bool {
-        let min = uint::min(self.bitv.storage.len(),
+        let min = num::min(self.bitv.storage.len(),
                             other.bitv.storage.len());
         self.bitv.storage.slice(0, min).iter().enumerate().advance(|(i, &w)| {
             f(i * uint::bits, w, other.bitv.storage[i])
@@ -843,7 +844,7 @@ impl BitvSet {
                     f: &fn(bool, uint, uint) -> bool) -> bool {
         let len1 = self.bitv.storage.len();
         let len2 = other.bitv.storage.len();
-        let min = uint::min(len1, len2);
+        let min = num::min(len1, len2);
 
         /* only one of these loops will execute and that's the point */
         for self.bitv.storage.slice(min, len1).iter().enumerate().advance |(i, &w)| {

src/libextra/deque.rs

@@ -10,6 +10,7 @@
 
 //! A double-ended queue implemented as a circular buffer
 
+use std::num;
 use std::uint;
 use std::vec;
 use std::iterator::FromIterator;
@@ -51,7 +52,7 @@ impl<T> Deque<T> {
     /// Create an empty Deque with space for at least `n` elements.
     pub fn with_capacity(n: uint) -> Deque<T> {
         Deque{nelts: 0, lo: 0,
-              elts: vec::from_fn(uint::max(MINIMUM_CAPACITY, n), |_| None)}
+              elts: vec::from_fn(num::max(MINIMUM_CAPACITY, n), |_| None)}
     }
 
     /// Return a reference to the first element in the deque

src/libextra/net/tcp.rs

@@ -28,7 +28,7 @@ use std::comm::{stream, Port, SharedChan};
 use std::ptr;
 use std::result::{Result};
 use std::result;
-use std::uint;
+use std::num;
 use std::vec;
 
 pub mod rustrt {
@@ -880,7 +880,7 @@ impl io::Reader for TcpSocketBuf {
           let needed = len - count;
             if nbuffered > 0 {
                 unsafe {
-                    let ncopy = uint::min(nbuffered, needed);
+                    let ncopy = num::min(nbuffered, needed);
                     let dst = ptr::mut_offset(
                         vec::raw::to_mut_ptr(buf), count);
                     let src = ptr::offset(

src/libextra/num/bigint.rs

@@ -21,6 +21,7 @@ A BigInt is a combination of BigUint and Sign.
 
 use std::cmp::{Eq, Ord, TotalEq, TotalOrd, Ordering, Less, Equal, Greater};
 use std::int;
+use std::num;
 use std::num::{IntConvertible, Zero, One, ToStrRadix, FromStrRadix, Orderable};
 use std::str;
 use std::uint;
@@ -204,7 +205,7 @@ impl Unsigned for BigUint {}
 impl Add<BigUint, BigUint> for BigUint {
 
     fn add(&self, other: &BigUint) -> BigUint {
-        let new_len = uint::max(self.data.len(), other.data.len());
+        let new_len = num::max(self.data.len(), other.data.len());
 
         let mut carry = 0;
         let mut sum = do vec::from_fn(new_len) |i| {
@@ -224,7 +225,7 @@ impl Add<BigUint, BigUint> for BigUint {
 impl Sub<BigUint, BigUint> for BigUint {
 
     fn sub(&self, other: &BigUint) -> BigUint {
-        let new_len = uint::max(self.data.len(), other.data.len());
+        let new_len = num::max(self.data.len(), other.data.len());
 
         let mut borrow = 0;
         let diff = do vec::from_fn(new_len) |i| {
@@ -260,7 +261,7 @@ impl Mul<BigUint, BigUint> for BigUint {
         // = a1*b1 * base^2 +
         //   (a1*b1 + a0*b0 - (a1-b0)*(b1-a0)) * base +
         //   a0*b0
-        let half_len = uint::max(s_len, o_len) / 2;
+        let half_len = num::max(s_len, o_len) / 2;
         let (sHi, sLo) = cut_at(self,  half_len);
         let (oHi, oLo) = cut_at(other, half_len);
 
@@ -297,7 +298,7 @@ impl Mul<BigUint, BigUint> for BigUint {
 
 
         fn cut_at(a: &BigUint, n: uint) -> (BigUint, BigUint) {
-            let mid = uint::min(a.data.len(), n);
+            let mid = num::min(a.data.len(), n);
             return (BigUint::from_slice(a.data.slice(mid, a.data.len())),
                     BigUint::from_slice(a.data.slice(0, mid)));
         }
@@ -482,7 +483,7 @@ impl Integer for BigUint {
 impl IntConvertible for BigUint {
 
     fn to_int(&self) -> int {
-        uint::min(self.to_uint(), int::max_value as uint) as int
+        num::min(self.to_uint(), int::max_value as uint) as int
     }
 
 
@@ -580,7 +581,7 @@ impl BigUint {
         let mut n: BigUint      = Zero::zero();
         let mut power: BigUint  = One::one();
         loop {
-            let start = uint::max(end, unit_len) - unit_len;
+            let start = num::max(end, unit_len) - unit_len;
             match uint::parse_bytes(buf.slice(start, end), radix) {
                 // FIXME(#6102): Assignment operator for BigInt causes ICE
                 // Some(d) => n += BigUint::from_uint(d) * power,
@@ -1055,9 +1056,9 @@ impl IntConvertible for BigInt {
 
     fn to_int(&self) -> int {
         match self.sign {
-            Plus  => uint::min(self.to_uint(), int::max_value as uint) as int,
+            Plus  => num::min(self.to_uint(), int::max_value as uint) as int,
             Zero  => 0,
-            Minus => uint::min((-self).to_uint(),
+            Minus => num::min((-self).to_uint(),
                                (int::max_value as uint) + 1) as int
         }
     }

src/libextra/par.rs

@@ -10,9 +10,9 @@
 
 
 use std::cast;
+use std::num;
 use std::ptr;
 use std::sys;
-use std::uint;
 use std::vec;
 use future_spawn = future::spawn;
 
@@ -44,15 +44,15 @@ fn map_slices<A:Copy + Send,B:Copy + Send>(
         ~[f()(0u, xs)]
     }
     else {
-        let num_tasks = uint::min(MAX_TASKS, len / MIN_GRANULARITY);
+        let num_tasks = num::min(MAX_TASKS, len / MIN_GRANULARITY);
 
         let items_per_task = len / num_tasks;
 
         let mut futures = ~[];
         let mut base = 0u;
         info!("spawning tasks");
         while base < len {
-            let end = uint::min(len, base + items_per_task);
+            let end = num::min(len, base + items_per_task);
             do xs.as_imm_buf |p, _len| {
                 let f = f();
                 let base = base;

src/libextra/sort.rs

@@ -840,7 +840,7 @@ mod test_qsort {
 
         let expected = ~[1, 2, 3];
 
-        do quick_sort(names) |x, y| { int::le(*x, *y) };
+        do quick_sort(names) |x, y| { *x < *y };
 
         let immut_names = names;
 

src/libextra/stats.rs

@@ -12,7 +12,6 @@ use sort;
 use std::cmp;
 use std::io;
 use std::num;
-use std::f64;
 use std::vec;
 
 // NB: this can probably be rewritten in terms of num::Num
@@ -178,7 +177,7 @@ impl<'self> Stats for &'self [f64] {
     }
 
     fn std_dev(self) -> f64 {
-        f64::sqrt(self.var())
+        self.var().sqrt()
     }
 
     fn std_dev_pct(self) -> f64 {

src/libextra/time.rs

@@ -11,9 +11,9 @@
 #[allow(missing_doc)];
 
 
-use std::i32;
 use std::int;
 use std::io;
+use std::num;
 use std::str;
 
 static NSEC_PER_SEC: i32 = 1_000_000_000_i32;
@@ -249,7 +249,7 @@ impl Tm {
         } else {
             let s = self.strftime("%Y-%m-%dT%H:%M:%S");
             let sign = if self.tm_gmtoff > 0_i32 { '+' } else { '-' };
-            let mut m = i32::abs(self.tm_gmtoff) / 60_i32;
+            let mut m = num::abs(self.tm_gmtoff) / 60_i32;
             let h = m / 60_i32;
             m -= h * 60_i32;
             s + fmt!("%c%02d:%02d", sign, h as int, m as int)
@@ -832,7 +832,7 @@ priv fn do_strftime(format: &str, tm: &Tm) -> ~str {
           'Z' => copy tm.tm_zone,
           'z' => {
             let sign = if tm.tm_gmtoff > 0_i32 { '+' } else { '-' };
-            let mut m = i32::abs(tm.tm_gmtoff) / 60_i32;
+            let mut m = num::abs(tm.tm_gmtoff) / 60_i32;
             let h = m / 60_i32;
             m -= h * 60_i32;
             fmt!("%c%02d%02d", sign, h as int, m as int)

src/libextra/treemap.rs

@@ -13,7 +13,7 @@
 //! `TotalOrd`.
 
 
-use std::uint;
+use std::num;
 use std::util::{swap, replace};
 
 // This is implemented as an AA tree, which is a simplified variation of
@@ -63,7 +63,7 @@ fn lt<K: Ord + TotalOrd, V: Ord>(a: &TreeMap<K, V>,
     let mut y = b.iter();
 
     let (a_len, b_len) = (a.len(), b.len());
-    for uint::min(a_len, b_len).times {
+    for num::min(a_len, b_len).times {
         let (key_a, value_a) = x.next().unwrap();
         let (key_b, value_b) = y.next().unwrap();
         if *key_a < *key_b { return true; }

src/librustc/back/rpath.rs

@@ -14,6 +14,7 @@ use metadata::cstore;
 use metadata::filesearch;
 
 use std::hashmap::HashSet;
+use std::num;
 use std::os;
 use std::uint;
 use std::util;
@@ -141,7 +142,7 @@ pub fn get_relative_to(abs1: &Path, abs2: &Path) -> Path {
     assert!(len1 > 0);
     assert!(len2 > 0);
 
-    let max_common_path = uint::min(len1, len2) - 1;
+    let max_common_path = num::min(len1, len2) - 1;
     let mut start_idx = 0;
     while start_idx < max_common_path
         && split1[start_idx] == split2[start_idx] {