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Add usage recommendation to old float constants

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This commit is contained in:
Linus Färnstrand 2020-02-08 12:15:22 +01:00
parent 83191c2da6
commit b2dc618769
2 changed files with 28 additions and 0 deletions
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14
src/libcore/num/f32.rs
View file

@ -17,17 +17,21 @@ use crate::mem;
use crate::num::FpCategory;
/// The radix or base of the internal representation of `f32`.
/// Use [`f32::RADIX`](../../std/primitive.f32.html#associatedconstant.RADIX) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const RADIX: u32 = f32::RADIX;
/// Number of significant digits in base 2.
/// Use [`f32::MANTISSA_DIGITS`](../../std/primitive.f32.html#associatedconstant.MANTISSA_DIGITS) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MANTISSA_DIGITS: u32 = f32::MANTISSA_DIGITS;
/// Approximate number of significant digits in base 10.
/// Use [`f32::DIGITS`](../../std/primitive.f32.html#associatedconstant.DIGITS) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const DIGITS: u32 = f32::DIGITS;
/// [Machine epsilon] value for `f32`.
/// Use [`f32::EPSILON`](../../std/primitive.f32.html#associatedconstant.EPSILON) instead.
///
/// This is the difference between `1.0` and the next larger representable number.
///
@ -36,36 +40,46 @@ pub const DIGITS: u32 = f32::DIGITS;
pub const EPSILON: f32 = f32::EPSILON;
/// Smallest finite `f32` value.
/// Use [`f32::MIN`](../../std/primitive.f32.html#associatedconstant.MIN) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MIN: f32 = f32::MIN;
/// Smallest positive normal `f32` value.
/// Use [`f32::MIN_POSITIVE`](../../std/primitive.f32.html#associatedconstant.MIN_POSITIVE) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MIN_POSITIVE: f32 = f32::MIN_POSITIVE;
/// Largest finite `f32` value.
/// Use [`f32::MAX`](../../std/primitive.f32.html#associatedconstant.MAX) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MAX: f32 = f32::MAX;
/// One greater than the minimum possible normal power of 2 exponent.
/// Use [`f32::MIN_EXP`](../../std/primitive.f32.html#associatedconstant.MIN_EXP) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MIN_EXP: i32 = f32::MIN_EXP;
/// Maximum possible power of 2 exponent.
/// Use [`f32::MAX_EXP`](../../std/primitive.f32.html#associatedconstant.MAX_EXP) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MAX_EXP: i32 = f32::MAX_EXP;
/// Minimum possible normal power of 10 exponent.
/// Use [`f32::MIN_10_EXP`](../../std/primitive.f32.html#associatedconstant.MIN_10_EXP) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MIN_10_EXP: i32 = f32::MIN_10_EXP;
/// Maximum possible power of 10 exponent.
/// Use [`f32::MAX_10_EXP`](../../std/primitive.f32.html#associatedconstant.MAX_10_EXP) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MAX_10_EXP: i32 = f32::MAX_10_EXP;
/// Not a Number (NaN).
/// Use [`f32::NAN`](../../std/primitive.f32.html#associatedconstant.NAN) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const NAN: f32 = f32::NAN;
/// Infinity (∞).
/// Use [`f32::INFINITY`](../../std/primitive.f32.html#associatedconstant.INFINITY) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const INFINITY: f32 = f32::INFINITY;
/// Negative infinity (−∞).
/// Use [`f32::NEG_INFINITY`](../../std/primitive.f32.html#associatedconstant.NEG_INFINITY) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const NEG_INFINITY: f32 = f32::NEG_INFINITY;

14
src/libcore/num/f64.rs
View file

@ -17,17 +17,21 @@ use crate::mem;
use crate::num::FpCategory;
/// The radix or base of the internal representation of `f64`.
/// Use [`f64::RADIX`](../../std/primitive.f64.html#associatedconstant.RADIX) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const RADIX: u32 = f64::RADIX;
/// Number of significant digits in base 2.
/// Use [`f64::MANTISSA_DIGITS`](../../std/primitive.f64.html#associatedconstant.MANTISSA_DIGITS) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MANTISSA_DIGITS: u32 = f64::MANTISSA_DIGITS;
/// Approximate number of significant digits in base 10.
/// Use [`f64::DIGITS`](../../std/primitive.f64.html#associatedconstant.DIGITS) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const DIGITS: u32 = f64::DIGITS;
/// [Machine epsilon] value for `f64`.
/// Use [`f64::EPSILON`](../../std/primitive.f64.html#associatedconstant.EPSILON) instead.
///
/// This is the difference between `1.0` and the next larger representable number.
///
@ -36,36 +40,46 @@ pub const DIGITS: u32 = f64::DIGITS;
pub const EPSILON: f64 = f64::EPSILON;
/// Smallest finite `f64` value.
/// Use [`f64::MIN`](../../std/primitive.f64.html#associatedconstant.MIN) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MIN: f64 = f64::MIN;
/// Smallest positive normal `f64` value.
/// Use [`f64::MIN_POSITIVE`](../../std/primitive.f64.html#associatedconstant.MIN_POSITIVE) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MIN_POSITIVE: f64 = f64::MIN_POSITIVE;
/// Largest finite `f64` value.
/// Use [`f64::MAX`](../../std/primitive.f64.html#associatedconstant.MAX) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MAX: f64 = f64::MAX;
/// One greater than the minimum possible normal power of 2 exponent.
/// Use [`f64::MIN_EXP`](../../std/primitive.f64.html#associatedconstant.MIN_EXP) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MIN_EXP: i32 = f64::MIN_EXP;
/// Maximum possible power of 2 exponent.
/// Use [`f64::MAX_EXP`](../../std/primitive.f64.html#associatedconstant.MAX_EXP) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MAX_EXP: i32 = f64::MAX_EXP;
/// Minimum possible normal power of 10 exponent.
/// Use [`f64::MIN_10_EXP`](../../std/primitive.f64.html#associatedconstant.MIN_10_EXP) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MIN_10_EXP: i32 = f64::MIN_10_EXP;
/// Maximum possible power of 10 exponent.
/// Use [`f64::MAX_10_EXP`](../../std/primitive.f64.html#associatedconstant.MAX_10_EXP) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const MAX_10_EXP: i32 = f64::MAX_10_EXP;
/// Not a Number (NaN).
/// Use [`f64::NAN`](../../std/primitive.f64.html#associatedconstant.NAN) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const NAN: f64 = f64::NAN;
/// Infinity (∞).
/// Use [`f64::INFINITY`](../../std/primitive.f64.html#associatedconstant.INFINITY) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const INFINITY: f64 = f64::INFINITY;
/// Negative infinity (−∞).
/// Use [`f64::NEG_INFINITY`](../../std/primitive.f64.html#associatedconstant.NEG_INFINITY) instead.
#[stable(feature = "rust1", since = "1.0.0")]
pub const NEG_INFINITY: f64 = f64::NEG_INFINITY;