Skip to content

std: Remove {float,f64,f32}::from_str in favor of from_str #9275

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 1 addition & 2 deletions src/compiletest/compiletest.rs
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,6 @@ extern mod extra;

use std::os;
use std::rt;
use std::f64;

use extra::getopts;
use extra::getopts::groups::{optopt, optflag, reqopt};
Expand Down Expand Up @@ -131,7 +130,7 @@ pub fn parse_config(args: ~[~str]) -> config {
ratchet_noise_percent:
getopts::opt_maybe_str(matches,
"ratchet-noise-percent").map_move(|s|
f64::from_str(s).unwrap()),
from_str::<f64>(s).unwrap()),
runtool: getopts::opt_maybe_str(matches, "runtool"),
rustcflags: getopts::opt_maybe_str(matches, "rustcflags"),
jit: getopts::opt_present(matches, "jit"),
Expand Down
5 changes: 2 additions & 3 deletions src/librustc/middle/const_eval.rs
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,6 @@ use syntax::visit;
use syntax::visit::Visitor;
use syntax::ast::*;

use std::float;
use std::hashmap::{HashMap, HashSet};

//
Expand Down Expand Up @@ -476,9 +475,9 @@ pub fn lit_to_const(lit: &lit) -> const_val {
lit_int(n, _) => const_int(n),
lit_uint(n, _) => const_uint(n),
lit_int_unsuffixed(n) => const_int(n),
lit_float(n, _) => const_float(float::from_str(n).unwrap() as f64),
lit_float(n, _) => const_float(from_str::<float>(n).unwrap() as f64),
lit_float_unsuffixed(n) =>
const_float(float::from_str(n).unwrap() as f64),
const_float(from_str::<float>(n).unwrap() as f64),
lit_nil => const_int(0i64),
lit_bool(b) => const_bool(b)
}
Expand Down
112 changes: 52 additions & 60 deletions src/libstd/num/f32.rs
Original file line number Diff line number Diff line change
Expand Up @@ -822,39 +822,6 @@ impl num::ToStrRadix for f32 {
}
}

///
/// Convert a string in base 10 to a float.
/// Accepts a optional decimal exponent.
///
/// This function accepts strings such as
///
/// * '3.14'
/// * '+3.14', equivalent to '3.14'
/// * '-3.14'
/// * '2.5E10', or equivalently, '2.5e10'
/// * '2.5E-10'
/// * '.' (understood as 0)
/// * '5.'
/// * '.5', or, equivalently, '0.5'
/// * '+inf', 'inf', '-inf', 'NaN'
///
/// Leading and trailing whitespace represent an error.
///
/// # Arguments
///
/// * num - A string
///
/// # Return value
///
/// `none` if the string did not represent a valid number. Otherwise,
/// `Some(n)` where `n` is the floating-point number represented by `num`.
///
#[inline]
pub fn from_str(num: &str) -> Option<f32> {
strconv::from_str_common(num, 10u, true, true, true,
strconv::ExpDec, false, false)
}

///
/// Convert a string in base 16 to a float.
/// Accepts a optional binary exponent.
Expand Down Expand Up @@ -888,40 +855,65 @@ pub fn from_str_hex(num: &str) -> Option<f32> {
strconv::ExpBin, false, false)
}

///
/// Convert a string in an given base to a float.
///
/// Due to possible conflicts, this function does **not** accept
/// the special values `inf`, `-inf`, `+inf` and `NaN`, **nor**
/// does it recognize exponents of any kind.
///
/// Leading and trailing whitespace represent an error.
///
/// # Arguments
///
/// * num - A string
/// * radix - The base to use. Must lie in the range [2 .. 36]
///
/// # Return value
///
/// `none` if the string did not represent a valid number. Otherwise,
/// `Some(n)` where `n` is the floating-point number represented by `num`.
///
#[inline]
pub fn from_str_radix(num: &str, rdx: uint) -> Option<f32> {
strconv::from_str_common(num, rdx, true, true, false,
strconv::ExpNone, false, false)
}

impl FromStr for f32 {
///
/// Convert a string in base 10 to a float.
/// Accepts a optional decimal exponent.
///
/// This function accepts strings such as
///
/// * '3.14'
/// * '+3.14', equivalent to '3.14'
/// * '-3.14'
/// * '2.5E10', or equivalently, '2.5e10'
/// * '2.5E-10'
/// * '.' (understood as 0)
/// * '5.'
/// * '.5', or, equivalently, '0.5'
/// * '+inf', 'inf', '-inf', 'NaN'
///
/// Leading and trailing whitespace represent an error.
///
/// # Arguments
///
/// * num - A string
///
/// # Return value
///
/// `none` if the string did not represent a valid number. Otherwise,
/// `Some(n)` where `n` is the floating-point number represented by `num`.
///
#[inline]
fn from_str(val: &str) -> Option<f32> { from_str(val) }
fn from_str(val: &str) -> Option<f32> {
strconv::from_str_common(val, 10u, true, true, true,
strconv::ExpDec, false, false)
}
}

impl num::FromStrRadix for f32 {
///
/// Convert a string in an given base to a float.
///
/// Due to possible conflicts, this function does **not** accept
/// the special values `inf`, `-inf`, `+inf` and `NaN`, **nor**
/// does it recognize exponents of any kind.
///
/// Leading and trailing whitespace represent an error.
///
/// # Arguments
///
/// * num - A string
/// * radix - The base to use. Must lie in the range [2 .. 36]
///
/// # Return value
///
/// `none` if the string did not represent a valid number. Otherwise,
/// `Some(n)` where `n` is the floating-point number represented by `num`.
///
#[inline]
fn from_str_radix(val: &str, rdx: uint) -> Option<f32> {
from_str_radix(val, rdx)
strconv::from_str_common(val, rdx, true, true, false,
strconv::ExpNone, false, false)
}
}

Expand Down
112 changes: 52 additions & 60 deletions src/libstd/num/f64.rs
Original file line number Diff line number Diff line change
Expand Up @@ -869,39 +869,6 @@ impl num::ToStrRadix for f64 {
}
}

///
/// Convert a string in base 10 to a float.
/// Accepts a optional decimal exponent.
///
/// This function accepts strings such as
///
/// * '3.14'
/// * '+3.14', equivalent to '3.14'
/// * '-3.14'
/// * '2.5E10', or equivalently, '2.5e10'
/// * '2.5E-10'
/// * '.' (understood as 0)
/// * '5.'
/// * '.5', or, equivalently, '0.5'
/// * '+inf', 'inf', '-inf', 'NaN'
///
/// Leading and trailing whitespace represent an error.
///
/// # Arguments
///
/// * num - A string
///
/// # Return value
///
/// `none` if the string did not represent a valid number. Otherwise,
/// `Some(n)` where `n` is the floating-point number represented by `num`.
///
#[inline]
pub fn from_str(num: &str) -> Option<f64> {
strconv::from_str_common(num, 10u, true, true, true,
strconv::ExpDec, false, false)
}

///
/// Convert a string in base 16 to a float.
/// Accepts a optional binary exponent.
Expand Down Expand Up @@ -935,40 +902,65 @@ pub fn from_str_hex(num: &str) -> Option<f64> {
strconv::ExpBin, false, false)
}

///
/// Convert a string in an given base to a float.
///
/// Due to possible conflicts, this function does **not** accept
/// the special values `inf`, `-inf`, `+inf` and `NaN`, **nor**
/// does it recognize exponents of any kind.
///
/// Leading and trailing whitespace represent an error.
///
/// # Arguments
///
/// * num - A string
/// * radix - The base to use. Must lie in the range [2 .. 36]
///
/// # Return value
///
/// `none` if the string did not represent a valid number. Otherwise,
/// `Some(n)` where `n` is the floating-point number represented by `num`.
///
#[inline]
pub fn from_str_radix(num: &str, rdx: uint) -> Option<f64> {
strconv::from_str_common(num, rdx, true, true, false,
strconv::ExpNone, false, false)
}

impl FromStr for f64 {
///
/// Convert a string in base 10 to a float.
/// Accepts a optional decimal exponent.
///
/// This function accepts strings such as
///
/// * '3.14'
/// * '+3.14', equivalent to '3.14'
/// * '-3.14'
/// * '2.5E10', or equivalently, '2.5e10'
/// * '2.5E-10'
/// * '.' (understood as 0)
/// * '5.'
/// * '.5', or, equivalently, '0.5'
/// * '+inf', 'inf', '-inf', 'NaN'
///
/// Leading and trailing whitespace represent an error.
///
/// # Arguments
///
/// * num - A string
///
/// # Return value
///
/// `none` if the string did not represent a valid number. Otherwise,
/// `Some(n)` where `n` is the floating-point number represented by `num`.
///
#[inline]
fn from_str(val: &str) -> Option<f64> { from_str(val) }
fn from_str(val: &str) -> Option<f64> {
strconv::from_str_common(val, 10u, true, true, true,
strconv::ExpDec, false, false)
}
}

impl num::FromStrRadix for f64 {
///
/// Convert a string in an given base to a float.
///
/// Due to possible conflicts, this function does **not** accept
/// the special values `inf`, `-inf`, `+inf` and `NaN`, **nor**
/// does it recognize exponents of any kind.
///
/// Leading and trailing whitespace represent an error.
///
/// # Arguments
///
/// * num - A string
/// * radix - The base to use. Must lie in the range [2 .. 36]
///
/// # Return value
///
/// `none` if the string did not represent a valid number. Otherwise,
/// `Some(n)` where `n` is the floating-point number represented by `num`.
///
#[inline]
fn from_str_radix(val: &str, rdx: uint) -> Option<f64> {
from_str_radix(val, rdx)
strconv::from_str_common(val, rdx, true, true, false,
strconv::ExpNone, false, false)
}
}

Expand Down
Loading