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Diffstat (limited to 'runtime/doc/eval.txt')
| -rw-r--r-- | runtime/doc/eval.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 811dbad559..eac1493a7a 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -2189,6 +2189,8 @@ insert({list}, {item} [, {idx}]) List insert {item} in {list} [before {idx}] invert({expr}) Number bitwise invert isdirectory({directory}) Number |TRUE| if {directory} is a directory +isinf({expr}) Number determine if {expr} is infinity value + (positive or negative) islocked({expr}) Number |TRUE| if {expr} is locked isnan({expr}) Number |TRUE| if {expr} is NaN id({expr}) String identifier of the container @@ -5285,6 +5287,14 @@ isdirectory({directory}) *isdirectory()* exist, or isn't a directory, the result is |FALSE|. {directory} is any expression, which is used as a String. +isinf({expr}) *isinf()* + Return 1 if {expr} is a positive infinity, or -1 a negative + infinity, otherwise 0. > + :echo isinf(1.0 / 0.0) +< 1 > + :echo isinf(-1.0 / 0.0) +< -1 + islocked({expr}) *islocked()* *E786* The result is a Number, which is |TRUE| when {expr} is the name of a locked variable. |