CTAN Update: xint
Release 1.07a (2013/05/26) brings important additions: 1. \xintexpr...\relax is an expandable parser of algebraic expressions involving the basic operations +,-,*,/, and ^ as infix operators, as well as ! for the factorial. It expands everything along the way and recognizes integers, decimal numbers, numbers in scientific notations, and arbitrary levels of parenthesizing. 2. \xintfloatexpr...\relax is the same thing, the operations being excuted with a precision D, whose default is 16 digits, and may be set arbitrarily (theoretical maximum 32768). 3. the other package macros now accept the scientific notation on input and \xintFloat outputs in floating point format with a given precision D either specified as an optional argument or globally set. The bundle now comprises the core constituents xint, xintfrac, and the latest xintexpr which loads the two previous ones, and auxiliary packages xintgcd, xintseries and xintcfrac. The macros are usable with any flavor of TeX with the e-TeX extensions. Users of LaTeX will do \usepackage{xintexpr}, others \input xintexpr.sty
This package is located at http://mirror.ctan.org/macros/generic/xint . More information is at http://www.ctan.org/pkg/xint (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html . ---------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Rainer Schöpf
xint – Expandable arbitrary precision floating point and integer operations
Loading xintexpr provides \xinteval and \xintfloateval.
\xintfloateval evaluates numerical expressions. The floating point precision defaults to 16 decimal digits and can be set by user. Trigonometry, exponential and logarithms are implemented up to a maximal precision of 62 decimal digits.
\xinteval computes exactly with integers, fractions, and decimal numbers or numbers in scientific notation. Note though that multiplying two floating point numbers will about double the number of digits, and so on, because the algebra is done exactly.
Both are compatible with expansion-only context.
Loading xintexpr imports automatically various other modules that it depends upon. Among them:
- xinttools: utilities such as expandable and non-expandable loops,
- xint: macros implementing in particular the basic operations on arbitrarily long integers,
- xintbinhex: conversions between decimal and binary, octal, or hexadecimal bases for arbitrarily long integers,
- xintfrac: macros implementing in particular the basic operations on arbitrarily large fractions, decimal numbers, or numbers in scientific notation.
Further modules of independent interest include xintgcd, xintseries and xintcfrac.
You can use xintexpr (and the other components) with LaTeX (via \usepackage) or also with Plain TeX, OpTeX, or ConTeXt (via \input xintexpr.sty).
All the components are documented in the file xint.pdf, which also contains the commented source code.
| Paket | xint |
| Version | 1.4o 2025-09-06 |
| Copyright | 2013–2022, 2025 Jean-François Burnol |
| Betreuer | Jean-François Burnol |