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Diffstat (limited to 'Doc/Zsh/arith.yo')
| -rw-r--r-- | Doc/Zsh/arith.yo | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Doc/Zsh/arith.yo b/Doc/Zsh/arith.yo index f40a84732..b18aed94c 100644 --- a/Doc/Zsh/arith.yo +++ b/Doc/Zsh/arith.yo @@ -78,6 +78,14 @@ short-circuiting, and only one of the latter two expressions in a ternary operator is evaluated. Note the precedence of the bitwise AND, OR, and XOR operators. +cindex(math functions) +cindex(functions, math) +Mathematical functions can be called with the syntax +`var(func)tt(LPAR())var(args)tt(RPAR())', where the function decides +if the var(args) is used as a string or a comma-separated list of +arithmetic expressions. The shell currently defines no mathematical +functions, but modules may define some. + An expression of the form `tt(#\)var(x)' where var(x) is any character sequence such as `tt(a)', `tt(^A)', or `tt(\M-\C-x)' gives the ascii value of this character and an expression of the form `tt(#)var(foo)' |