vec_all_nan

Purpose

Tests whether each element of the given vector is a NaN.

Syntax

d=vec_all_nan(a)

Result and argument types

The following table describes the types of the returned value and the function arguments.

Table 1. Result and argument types
d a
int vector float
vector double

Result value

The result is 1 if each element of a is a NaN. Otherwise, the result is 0.