Mercurial > vim
diff runtime/doc/eval.txt @ 9389:32e34e574716 v7.4.1976
commit https://github.com/vim/vim/commit/22fcfad29276bd5f317faf516637dcd491b96a12
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Jul 1 18:17:26 2016 +0200
patch 7.4.1976
Problem: Number variables are not 64 bits while they could be.
Solution: Add the num64 feature. (Ken Takata)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Fri, 01 Jul 2016 18:30:07 +0200 |
| parents | 33c1b85d408c |
| children | 619a98a67f67 |
line wrap: on
line diff
--- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -1,4 +1,4 @@ -*eval.txt* For Vim version 7.4. Last change: 2016 Jun 06 +*eval.txt* For Vim version 7.4. Last change: 2016 Jul 01 VIM REFERENCE MANUAL by Bram Moolenaar @@ -40,6 +40,8 @@ 1.1 Variable types ~ There are nine types of variables: Number A 32 or 64 bit signed number. |expr-number| *Number* + 64-bit Number is available only when compiled with the + |+num64| feature. Examples: -123 0x10 0177 Float A floating point number. |floating-point-format| *Float* @@ -888,6 +890,11 @@ When dividing a Number by zero the resul <0 / 0 = -0x7fffffff (like negative infinity) (before Vim 7.2 it was always 0x7fffffff) +When 64-bit Number support is enabled: + 0 / 0 = -0x8000000000000000 (like NaN for Float) + >0 / 0 = 0x7fffffffffffffff (like positive infinity) + <0 / 0 = -0x7fffffffffffffff (like negative infinity) + When the righthand side of '%' is zero, the result is 0. None of these work for |Funcref|s. @@ -3566,17 +3573,19 @@ float2nr({expr}) *float2nr()* decimal point. {expr} must evaluate to a |Float| or a Number. When the value of {expr} is out of range for a |Number| the - result is truncated to 0x7fffffff or -0x7fffffff. NaN results - in -0x80000000. + result is truncated to 0x7fffffff or -0x7fffffff (or when + 64-bit Number support is enabled, 0x7fffffffffffffff or + -0x7fffffffffffffff. NaN results in -0x80000000 (or when + 64-bit Number support is enabled, -0x8000000000000000). Examples: > echo float2nr(3.95) < 3 > echo float2nr(-23.45) < -23 > echo float2nr(1.0e100) -< 2147483647 > +< 2147483647 (or 9223372036854775807) > echo float2nr(-1.0e150) -< -2147483647 > +< -2147483647 (or -9223372036854775807) > echo float2nr(1.0e-100) < 0 {only available when compiled with the |+float| feature} @@ -7655,7 +7664,10 @@ winwidth({nr}) *winwidth()* :if winwidth(0) <= 50 : exe "normal 50\<C-W>|" :endif -< +< For getting the terminal or screen size, see the 'columns' + option. + + wordcount() *wordcount()* The result is a dictionary of byte/chars/word statistics for the current buffer. This is the same info as provided by @@ -7842,6 +7854,7 @@ multi_lang Compiled with support for mu mzscheme Compiled with MzScheme interface |mzscheme|. netbeans_enabled Compiled with support for |netbeans| and connected. netbeans_intg Compiled with support for |netbeans|. +num64 Compiled with 64-bit |Number| support. ole Compiled with OLE automation support for Win32. os2 OS/2 version of Vim. packages Compiled with |packages| support.