NEWS

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units 0.8-5 (2023-11-28)

• avoid -Wformat-security warning on CRAN

units 0.8-4 (2023-09-13)

• Identical unit division and multiplication will now respect units_options(simplify = FALSE) reverting a change from #310; #355 @billdenney

• Fix scale_units when both unit and trans are specified; #357

units 0.8-3 (2023-08-10)

• Remove tolerance from comparisons with logical operators, restoring behavior changed in previous release; #353 addressing #351

units 0.8-2 (2023-04-27)

• Names are preserved when doing unit conversions; #305 @billdenney

• Identical units will always divide (/) and allow integer division (%/%). And, inverse units will always be able to multiply; #310 @billdenney

• Compare units via ud_compare(), fixing inconsistent results for aliases and symbols; #339, #346, #347

• Fix units<-() to treat an empty unit the same as NULL; #332

• New as.data.frame() method for mixed_units; #309

• Use short paths for database loading on Windows to fix UTF-16 issues; #342

• Add example in the docs about reversing a ggplot2 units scale; #343

• Force storage mode to double; #344 addressing #324

• Fix units in transformed axis; #323

• Consider unitless as radians in trigonometric functions; #328

units 0.8-1 (2022-12-10)

• fix %/% and %% if arguments have different units; #313

• fix multiplier parsing for exp(log(x)) operations; #321

• fix specification of secondary axes with scale_units; #326

units 0.8-0 (2022-02-04)

• enhance unit mapping for newly installed units; #290

• remove deprecations: install_symbolic_unit, remove_symbolic_unit, install_conversion_constant, install_conversion_offset; #290

• fix multipliers for round trip log-exp operations; #292

• integrate ggplot2 scales (previously in the ggforce package) to automatically print axes with units; #294 addressing #164

• fix all.equal.units for non-units current

• fix zero power; #285

• fix unique.units to support arrays and matrices, implement methods for duplicated and anyDuplicated

• fix plot labels with spaces; #298 addressing #297

• always add units to labels, including user-provided ones; as part of #298

• new symbols/names with a percentage character are not allowed due to an upstream bug; #289

units 0.7-2 (2021-06-08)

• enhance pillar integration; #273, #275, #280 @krlmlr

• new unique method for units and mixed_units objects; #283 addressing #277 @lewinfox

units 0.7-1 (2021-03-16)

• allow longer units grouping; #270 addressing #269 @bart1

• fix regression in set_units method for mixed_units to ensure that ordering is preserved; #272 addressing #271

units 0.7-0 (2021-02-25)

• add load_units_xml to enable database reloading as well as loading user-provided unit systems; #254 addressing #243, #244

• add install_unit and remove_unit for adding/removing custom user-defined symbols or names, with optional mapping to existing units; install_symbolic_unit, remove_symbolic_unit, install_conversion_constant, install_conversion_offset are deprecated; #261 addressing #89

• add keep_units, a helper to apply functions that do not preserve units; #255 addressing #252

• fix as_units(""), which is now equivalent to unitless; #199

• fix plot axes for plot.formula and plot.data.frame; #213

• fix arithmetic for powers above 1 and below -1; #264

• improve arithmetic of logarithms; #249

• export ud_are_convertible; #263 addressing #258 @cregouby

• remove deprecations: as.units, as_cf, make_unit, parse_unit; #259

• remove deprecated pre-computed ud_units database; #259

units 0.6-7 (2020-06-13)

• port isFALSE to fix regression in old R versions; #230 addressing #229

• fix replacement operation for units objects; #233 addressing #232

• fix compatibility with dplyr 1.0; #247 addressing #239

units 0.6-6 (2020-03-16)

• prettier str print for units and mixed units; #228 addressing #227

• add compatibility with upcoming tibble v3.0.0; #225

units 0.6-5 (2019-10-08)

• skip test on CRAN to avoid issues with strict latin1 environments

units 0.6-4 (2019-08-22)

• fix support for weights with units in weighted.mean; #205

• invalid names for new units now trigger a proper error message; #209 addressing #208

• fix issues in strict latin1 environments; #202

units 0.6-3 (2019-05-03)

• improve platform dependent encodings handling; #183

• don't force as.numeric when unnecessary; #182 addressing #181

• fix valgrind issues on CRAN and tidy up tests; #193 addressing #192

• new method drop_units for data frames; #191 addressing #187

units 0.6-2 (2018-12-05)

• fix support for logarithms and decibels; #177 addressing #176
• add delayed S3 registration mechanism for R >= 3.6.0

units 0.6-1 (2018-09-21)

• vectors with mixed units are now supported; #145

• NA values for units now trigger a proper error message; #163

units 0.6-0 (2018-06-09)

• print units as [unit] more consistently, e.g. for single unit and in data.frames; #132

• improve printing of unitless units; provide option to print something else than 1; #150

• fix printing unitless in labels when negative_power is TRUE; #133

• install_symbolic_unit now adds a dimensionless unit, integrated in the units system, meaning that prefixes on it work as well; #71

• install_conversion_constant and install_conversion_offset now install a new unit that is a function of an existing udunits unit.; #71, #84

• unit simplification can now be user-controlled by units_options; #89

• set_units(15, mg/kg) is now no longer simplified to 1e-9 unitless; #89

• directly uses the udunits2 C library; drop dependence on R package udunits2, fixing R package udunits2 memory leaks; #135

• drops %*%, no longer gives warning when loading

units 0.5-1 (2018-01-08)

units 0.5-0 (2018-01-07)

• deal with trigonometric functions for units degree; return units rad on inverse trigonometric functions.

• Unit creation has been significantly refactored. units<- now accepts strings or quoted language objects on the right hand side, powered by new S3 methods for as_units. All valid unit symbols and unit names recognized by package 'udunits2' are now accepted. New user facing function make_units() (plural s) is also provided. See ?as_units for details. @t-kalinowski

• new functions valid_udunits() and valid_udunits_prefixes() generate tidy dataframes listing all the valid unit names, symbols, and prefixes recognized by udunits. @t-kalinowski

• new function install_symbolic_unit() for adding custom, user-defined units. @t-kalinowski

• make_unit and parse_unit (singular unit) have been deprecated, please use as_units instead.

• ud_units is no longer necessary and is soft-deprecated, and may be removed in a future release.

• add %*% as an S3 generic; #54

• add %% and %/% to Ops.units

• support unary + and - ; #56

• add seq method for units, converting units to those of the first argument

• Deprecate as.dt for as_difftime, as.units for as_units and as_cf for deparse_unit

units 0.4-6 (2017-08-27)

• add all.equal method for units; #51

• add deparse_unit to replace as_cf

• add calender/time conversions between udunits time units like minutes from 1900-0-0, and R's POSIXct and Date

• add as_units to replace as.units

• rename as.dt to as_difftime

units 0.4-5 (2017-06-14)

• add support for user-defined unit conversion; #31

• allow for 1/n integer powers, as in set_units(1:10, m^-2) ^ 0.5; #29

• properly set log units after log transform; #33

• sin, cos and tan no longer complain when units is rad, and return unitless; #40

• now allow for set_units(1:3, "°C") and also set_units(1:3, "degree_Celsius") by resolving names to symbols first; #43

• set_units(x) with x numeric sets units to unitless; #41

units 0.4-4 (2017-04-20)

• fix a result units bug when multiplying or dividing units vectors of different length, #34

• add a rep method for units vectors

units 0.4-3 (2017-03-25)

• support for set_units(1:10, m) which does not require to declare or define, m (m is resolved automatically from ud_units)