operator--() [1/2]

var & stan::math::operator-- ( var &  a )

inline

Prefix decrement operator for variables (C++).

Following C++, (–a) is defined to behave exactly as

a = a - 1.0)

does, but is faster and uses less memory. In particular, the result is an assignable lvalue.

Parameters

a	Variable to decrement.

Returns

Reference the result of decrementing this input variable.

Definition at line 26 of file operator_unary_decrement.hpp.