logical_or()

template<typename T1 , typename T2 >

int stan::math::logical_or ( T1  x1, T2  x2  )

inline

The logical or function which returns 1 if either argument is unequal to zero and 0 otherwise.

Equivalent to x1 != 0 || x2 != 0.

\[ \mbox{operator||}(x, y) = \begin{cases} 0 & \mbox{if } x, y=0 \\ 1 & \mbox{if } x \neq 0 \textrm{ or } y\neq0\\[6pt] 1 & \mbox{if } x = \textrm{NaN or } y = \textrm{NaN} \end{cases} \]

Template Parameters

T1	type of first argument
T2	type of second argument

Parameters

x1	first argument
x2	second argument

Returns

true if either x1 or x2 is not equal to 0.

Definition at line 29 of file logical_or.hpp.