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Diffstat (limited to 'Master/texmf-dist/doc/generic/xint/README.md')
-rw-r--r-- | Master/texmf-dist/doc/generic/xint/README.md | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/Master/texmf-dist/doc/generic/xint/README.md b/Master/texmf-dist/doc/generic/xint/README.md index 9146c736669..bb01bbb277a 100644 --- a/Master/texmf-dist/doc/generic/xint/README.md +++ b/Master/texmf-dist/doc/generic/xint/README.md @@ -1,8 +1,8 @@ % README -% xint 1.4b -% 2020/02/25 +% xint 1.4c +% 2021/02/20 - Source: xint.dtx 1.4b 2020/02/25 (doc 2020/02/25) + Source: xint.dtx 1.4c 2021/02/20 (doc 2021/02/20) Author: Jean-Francois Burnol Info: Expandable operations on big integers, decimals, fractions License: LPPL 1.3c @@ -13,7 +13,7 @@ Aim and usage It is possible to use the package both with Plain (`\input xintexpr.sty`) or with the LaTeX macro format (`\usepackage{xintexpr}`). -The basic aim is provide *expandable* computations on (arbitrily big) +The basic aim is provide *expandable* computations on (arbitrarily big) integers, fractions, and floating point numbers (at a user chosen precision). The four operations and the square-root extraction achieve so-called *correct rounding* for the given arbitrary precision. @@ -36,18 +36,15 @@ expands to: 0.6018150231520482799179770004414898414256377098 -The [-2] means to round the result to 2 digits less than float precision: -currently trigonometrical functions are mostly implemented at high level -via the user interface for declaring functions and variables and have no -way to use guard digits, hence the last two digits are often not -accurate. +The [-2] at start of the `\xintfloateval` argument means to round the +result to 2 digits less than the float precision. Release `1.4` adds support for nested structures. For example: \xintthealign\xintexpr ndseq(1/(i+j), i=1..5; j=1..5)\relax -will print on the page (this is customizable, e.g. to use a pmatrix -environnement rather): +will print on the page (this is customizable, e.g. to use a `pmatrix` +environment): [[ 1/2, 1/3, 1/4, 1/5, 1/6 ], [ 1/3, 1/4, 1/5, 1/6, 1/7 ], |