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NEWS.md

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version 0.6-3

  • 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

version 0.6-2

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

version 0.6-1

  • vectors with mixed units are now supported; #145

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

version 0.6-0

  • 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

version 0.5-1

version 0.5-0

  • 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

version 0.4-6

  • 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

version 0.4-5

  • 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

version 0.4-4

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

  • add a rep method for units vectors

version 0.4-3

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