diff options
Diffstat (limited to 'doc/tutorial-tasks.md')
| -rw-r--r-- | doc/tutorial-tasks.md | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/doc/tutorial-tasks.md b/doc/tutorial-tasks.md index 09d3469871f..dedbc8ae593 100644 --- a/doc/tutorial-tasks.md +++ b/doc/tutorial-tasks.md @@ -331,12 +331,12 @@ a single large vector of floats. Each task needs the full vector to perform its # use std::rand; use extra::arc::Arc; -fn pnorm(nums: &~[float], p: uint) -> float { - nums.iter().fold(0.0, |a,b| a+(*b).pow(&(p as float)) ).pow(&(1f / (p as float))) +fn pnorm(nums: &~[f64], p: uint) -> f64 { + nums.iter().fold(0.0, |a,b| a+(*b).pow(&(p as f64)) ).pow(&(1.0 / (p as f64))) } fn main() { - let numbers = vec::from_fn(1000000, |_| rand::random::<float>()); + let numbers = vec::from_fn(1000000, |_| rand::random::<f64>()); println!("Inf-norm = {}", *numbers.iter().max().unwrap()); let numbers_arc = Arc::new(numbers); @@ -346,7 +346,7 @@ fn main() { chan.send(numbers_arc.clone()); do spawn { - let local_arc : Arc<~[float]> = port.recv(); + let local_arc : Arc<~[f64]> = port.recv(); let task_numbers = local_arc.get(); println!("{}-norm = {}", num, pnorm(task_numbers, num)); } @@ -361,7 +361,7 @@ created by the line # use extra::arc::Arc; # use std::vec; # use std::rand; -# let numbers = vec::from_fn(1000000, |_| rand::random::<float>()); +# let numbers = vec::from_fn(1000000, |_| rand::random::<f64>()); let numbers_arc=Arc::new(numbers); ~~~ and a clone of it is sent to each task @@ -369,7 +369,7 @@ and a clone of it is sent to each task # use extra::arc::Arc; # use std::vec; # use std::rand; -# let numbers=vec::from_fn(1000000, |_| rand::random::<float>()); +# let numbers=vec::from_fn(1000000, |_| rand::random::<f64>()); # let numbers_arc = Arc::new(numbers); # let (port, chan) = stream(); chan.send(numbers_arc.clone()); @@ -381,11 +381,11 @@ Each task recovers the underlying data by # use extra::arc::Arc; # use std::vec; # use std::rand; -# let numbers=vec::from_fn(1000000, |_| rand::random::<float>()); +# let numbers=vec::from_fn(1000000, |_| rand::random::<f64>()); # let numbers_arc=Arc::new(numbers); # let (port, chan) = stream(); # chan.send(numbers_arc.clone()); -# let local_arc : Arc<~[float]> = port.recv(); +# let local_arc : Arc<~[f64]> = port.recv(); let task_numbers = local_arc.get(); ~~~ and can use it as if it were local. |
