Version 1.0.0 (2020-06-04)
==========================
* The crate now requires rustc version 1.44.0 or later.
* The following methods are now `const` functions:
* [`from_be_bytes`][f-fbb-1-0], [`from_le_bytes`][f-flb-1-0],
[`from_ne_bytes`][f-fnb-1-0]
* [`to_be_bytes`][f-tbb-1-0], [`to_le_bytes`][f-tlb-1-0],
[`to_ne_bytes`][f-tnb-1-0]
* All deprecated items were removed.
[f-fbb-1-0]: https://docs.rs/fixed/~1.0/fixed/struct.FixedI32.html#method.from_be_bytes
[f-flb-1-0]: https://docs.rs/fixed/~1.0/fixed/struct.FixedI32.html#method.from_le_bytes
[f-fnb-1-0]: https://docs.rs/fixed/~1.0/fixed/struct.FixedI32.html#method.from_ne_bytes
[f-tbb-1-0]: https://docs.rs/fixed/~1.0/fixed/struct.FixedI32.html#method.to_be_bytes
[f-tlb-1-0]: https://docs.rs/fixed/~1.0/fixed/struct.FixedI32.html#method.to_le_bytes
[f-tnb-1-0]: https://docs.rs/fixed/~1.0/fixed/struct.FixedI32.html#method.to_ne_bytes
Version 0.5.7 (2020-05-11)
==========================
* The `LosslessTryFrom` and `LosslessTryInto` traits were added.
* The following methods were added to all fixed-point types, to the
`Fixed` trait, and to the `Wrapping` wrapper:
* `leading_ones`, `trailing_ones`
* The following method was added to unsigned fixed-point types and
to the `FixedUnsigned` trait:
* `wrapping_next_power_of_two`
* The `PHI` and `FRAC_1_PHI` constants were added to the `consts`
module and as associated constants for fixed-point types.
Version 0.5.6 (2020-05-01)
==========================
* The following methods were added to signed fixed-point types and to
the `FixedSigned` trait:
* `checked_signum`, `saturating_signum`, `wrapping_signum`,
`overflowing_signum`
* The `LossyFrom` and `LossyInto` traits were added to the prelude.
* Casts deprecated in version 0.3.1 of the *az* crate were marked as
deprecated.
Version 0.5.5 (2020-04-16)
==========================
* Bug fix: an incorrect result could be given when comparing a
signed fixed-point number of type `FixedI` to a number that would
overflow by exactly one bit when converting to `FixedI`.
* The following associated constants were added to all fixed-point
types, to the `Fixed` trait, and to the `Wrapping` wrapper:
* `MIN`, `MAX`
* The following associated constants were added to the `Fixed` trait
and to the `Wrapping` wrapper:
* `INT_NBITS`, `FRAC_NBITS`
* The following methods were added to all fixed-point types and to
the `Fixed` trait:
* `int_log2`, `int_log10`
* `checked_int_log2`, `checked_int_log10`
* The following methods were added to the `Wrapping` wrapper:
* `int_log2`, `int_log10`
* The constants in the `consts` module were also added as associated
constants to fixed-point types that can represent them.
* The following methods were deprecated:
* `min_value`, `max_value`
* `int_nbits`, `frac_nbits`
Version 0.5.4 (2020-02-21)
==========================
* Bug fix: `rem_euclid_int` and its checked versions were handling
overflow incorrectly.
Version 0.5.3 (2020-02-13)
==========================
* Bug fix: `round_to_zero` was returning incorrect results for
negative whole number operands.
* Bug fix: all remainder operations with a fixed-point LHS and an
integer RHS were giving an incorrect answer
(https://gitlab.com/tspiteri/fixed/issues/13).
* Bug fix: Euclidean division operations by integers were giving an
incorrect answer.
* `Rem` and `RemAssign` were implemented for fixed-point numbers.
* The following methods were added to all fixed-point types and to
the `Fixed` trait:
* `checked_rem`
* `div_euclid`, `rem_euclid`
* `checked_div_euclid`, `checked_rem_euclid`
* `saturating_div_euclid`
* `wrapping_div_euclid`
* `overflowing_div_euclid`
* The following methods were added to the `Wrapping` wrapper:
* `div_euclid`, `rem_euclid`
* `div_euclid_int`, `rem_euclid_int`
* The following methods were deprecated:
* `wrapping_rem_int`, `overflowing_rem_int`
Version 0.5.2 (2020-02-02)
==========================
* `Wrapping` now supports serialization. (Thanks: Shane Pearman)
Version 0.5.1 (2019-12-22)
==========================
* `ParseFixedError` implements `Error` when the new `std` feature is
enabled.
Version 0.5.0 (2019-12-06)
==========================
* The crate now requires rustc version 1.39.0 or later.
* The following methods were added to all fixed-point types and to
the `Fixed` trait:
* `from_be_bytes`, `from_le_bytes`, `from_ne_bytes`
* `to_be_bytes`, `to_le_bytes`, `to_ne_bytes`
* `div_euclid_int`, `rem_euclid_int`
* `checked_div_euclid_int`, `checked_rem_euclid_int`
* `wrapping_div_euclid_int`, `wrapping_rem_euclid_int`
* `overflowing_div_euclid_int`, `overflowing_rem_euclid_int`
* Casts deprecated in version 0.3.1 of the *az* crate were marked as
deprecated.
Incompatible changes
--------------------
* Deprecated methods and modules were removed.
Version 0.4.6 (2019-10-16)
==========================
* Conversions to/from `bf16` are now provided when the `f16` option
is enabled.
* The following methods are now `const` functions: `saturating_neg`,
`saturating_add`, `saturating_sub`, `saturating_mul_int`,
`saturating_abs`
* Support for casts using the *az* crate was added.
Version 0.4.5 (2019-08-30)
==========================
* Bug fix: display of many decimal numbers was panicking in debug
mode or including a leading zero in release mode.
* Many methods were added to `Wrapping` for convenience, even if
they do not involve wrapping.
Version 0.4.4 (2019-08-24)
==========================
* Bug fix: rounding could produce bad output for `Binary`, `Octal`,
`LowerHex` and `UpperHex`.
* The following methods are now `const` functions:
`is_power_of_two`, `abs`, `wrapping_abs`, `overflowing_abs`
* The method `round_to_zero` was added.
* The method `round_ties_to_even` and its checked versions were
added.
Version 0.4.3 (2019-08-20)
==========================
* The crate now requires rustc version 1.34.0 or later.
* The precision argument is no longer ignored when formatting
fixed-point numbers; precision should now be handled the same as
for primitive floating-point numbers in the standard library.
* Parsing strings now rounds to the nearest with ties rounded to
even.
* Checked versions of string parsing methods are now available as
inherent methods to all fixed-point numbers, and as methods in the
`Fixed` trait.
* `Wrapping` now has methods for parsing with wrapping, including
an implementation of `FromStr`.
* The following methods are now `const` functions:
* `min_value`, `max_value`, `from_bits`, `to_bits`
* `count_ones`, `count_zeros`, `leading_zeros`, `trailing_zeros`
`rotate_left`, `rotate_right`
* `wrapping_neg`, `wrapping_add`, `wrapping_sub`,
`wrapping_mul_int`, `wrapping_shl`, `wrapping_shr`
* `overflowing_neg`, `overflowing_add`, `overflowing_sub`,
`overflowing_mul_int`, `overflowing_shl`, `overflowing_shr`
* `is_positive`, `is_negative`
* The associated constants `INT_NBITS` and `FRAC_NBITS` were added.
* The reexports in the `frac` module and the `LeEqU*` traits were
moved into the new `types::extra` module.
Version 0.4.2 (2019-08-16)
==========================
* The new methods `from_num` and `to_num` together with their
checked versions were added to all fixed-point numbers.
* The methods `from_fixed`, `to_fixed`, `from_int`, `to_int`,
`from_float`, and `to_float`, and their checked versions, were
deprecated.
* The new method `from_num` was added to the `Wrapping` wrapper.
* Bug fix: parsing of decimal fractions was fixed to give correctly
rounded results for long decimal fraction strings, for example
with four fractional bits, 0.96874999… (just below 31⁄32) and
0.96875 (31⁄32) are now parsed correctly as 0.9375 (15⁄16) and 1.0.
Version 0.4.1 (2019-08-12)
==========================
* All fixed-point types now implement `FromStr`.
* The methods `from_str_binary`, `from_str_octal` and `from_str_hex`
were added.
Version 0.4.0 (2019-08-08)
==========================
* The crate now requires rustc version 1.31.0 or later.
* The `traits` module was added, with its traits `Fixed`,
`FixedSigned`, `FixedUnsigned`, `FromFixed`, `ToFixed`,
`LossyFrom` and `LossyInto`.
* The `saturating_neg` method was added to all fixed-point numbers,
and the `saturating_abs` method was added to signed fixed-point
numbers.
* The `consts` module was added.
* The `signum` method now wraps instead of panics in release mode.
Incompatible changes
--------------------
* The sealed traits `Int` and `Float` now have no provided methods;
the methods in the old implementation are now provided by
`FromFixed` and `ToFixed`.
* Deprecated methods were removed.
Contributors
------------
* @jean-airoldie
* @tspiteri
Version 0.3.3 (2019-06-27)
==========================
* Conversions to/from `isize` and `usize` were added.
Version 0.3.2 (2019-02-27)
==========================
* The `Wrapping` wrapper was added.
Version 0.3.1 (2019-02-07)
==========================
* Reimplement `From<bool>` for all fixed-point types which can
represent the integer 1. This was inadvertently removed in 0.3.0.
Version 0.3.0 (2019-02-03)
==========================
* Incompatible change: the return type of `to_int` is now generic.
* Incompatible change: the `Int` trait implementation for `bool` was
removed.
* The new method `to_fixed` was added.
* The new methods `checked_to_fixed`, `checked_to_int`,
`saturating_to_fixed`, `saturating_to_int`, `wrapping_to_fixed`,
`wrapping_to_int`, `overflowing_to_fixed` and `overflowing_to_int`
were added.
* The methods `from_fixed`, `to_fixed`, `checked_from_fixed`,
`checked_to_fixed`, `saturating_from_fixed`,
`saturating_to_fixed`, `wrapping_from_fixed`, `wrapping_to_fixed`,
`overflowing_from_fixed` and `overflowing_to_fixed` were added to
the `Int` trait.
* The methods `from_fixed`, `to_fixed`, `checked_to_fixed`,
`saturating_to_fixed`, `wrapping_to_fixed` and
`overflowing_to_fixed` were added to the `Float` trait.
* `PartialEq` and `PartialCmp` are now implemented for all
combinations of fixed-point numbers and primitive integers.
* The methods `int_bits` and `frac_bits` were deprecated and
replaced by the methods `int_nbits` and `frac_nbits`.
Version 0.2.1 (2019-01-29)
==========================
* Bug fix: the `from_fixed` and `from_int` methods (and their
checked counterparts) could return wrong values for negative
values.
* Bug fix: display was using one fractional digit less than
required, thus yielding the same output for diffent fixed-point
numbers.
Version 0.2.0 (2019-01-29)
==========================
* Incompatible change: The method `from_int` was change to accept a
generic parameter.
* The new methods `from_fixed`, `checked_from_fixed`,
`saturating_from_fixed`, `wrapping_from_fixed` and
`overflowing_from_fixed` were added.
* The new methods `checked_from_int`, `saturating_from_int`,
`wrapping_from_int` and `overflowing_from_int` were added.
* The new methods `from_float`, `checked_from_float`,
`saturating_from_float`, `wrapping_from_float` and
`overflowing_from_float` were added.
* The new method `to_float` was added.
* The methods `from_f16`, `from_f32`, `from_f64`, `to_f16`, `to_f32`
and `to_f64` were deprecated.
* The `to_int` method was fixed to truncate fractional bits as
documented for negative values.
* The new methods `ceil`, `floor`, `round`, `checked_ceil`,
`checked_floor`, `checked_round`, `saturating_ceil`,
`saturating_floor`, `saturating_round`, `wrapping_ceil`,
`wrapping_floor`, `wrapping_round`, `overflowing_ceil`,
`overflowing_floor` and `overflowing_round` were added.
* The methods `to_int_ceil`, `to_int_floor` and `to_int_round` were
deprecated.
Version 0.1.6 (2019-01-27)
==========================
* Optional serde support was added.
Version 0.1.5 (2019-01-26)
==========================
* Lossless infallible conversions between fixed-point numbers and
numeric primitives are now supported using `From` and `Into`.
* A new module `types` is available with aliases for all supported
fixed-point numbers.
Version 0.1.4 (2018-11-29)
==========================
* Division is now implemented for `FixedI128` and `FixedU128`.
Version 0.1.3 (2018-08-23)
==========================
* The `f16` feature was added, and new methods `from_f16` and
`to_f16` were added.
Version 0.1.2 (2018-08-15)
==========================
* The crate can now be used without the standard library `std`.
* New methods `from_f32` and `from_f64` were added.
* New methods `is_positive` and `is_negative` were added to signed
fixed-point numbers.
Version 0.1.1 (2018-08-11)
==========================
* Comparisons are now supported between all fixed-point numbers with
the same underlying integer type.
* New static methods `int_bits` and `frac_bits` were added.
* New methods `from_int`, `to_int`, `to_int_ceil`, `to_int_floor`
and `to_int_round` were added.
* New methods `int` and `frac` were added.
* Support for multiplication and division by integers was added.
Version 0.1.0 (2018-08-10)
==========================
* `Unsigned` constants provided by the *typenum* crate are now used
for the number of fractional bits.
* Many methods and trait implementations available for primitive
integers are now also supported by the fixed-point numbers.