DADiSP Worksheet Functions > Function Categories > Query Functions > ISWINEMPTY
Returns 1 if the Window does not contain a series or array.
ISWINEMPTY(win)
win |
- |
Optional. A Window to test, defaults to the current Window. |
An integer, 1 if the Window does not contain a series, including an empty series, else 0.
W1: gnorm(100, 1)
W2: {}
iswinempty(w1) == 0
iswinempty(w2) == 0
clear w1
iswinempty(w1) == 1
ISWINEMPTY returns 1 if a window does not contain a series, including an empty series.