==, !=

Compare two values for equality or inequality.

Syntax

== rval
!= rval

Options

rval

Optional initial value to be compared to values received via the left inlet. See comments for acceptable types.

Inlets

param1

The left inlet. Any value received via this inlet is compared to the value in the right inlet param2, and the result is sent via the outlet result.

Type: Changeable

param2

The right inlet. The value is stored for comparison to any subsequent values received in the left inlet param1.

Type: Changeable

Outlets

result

==: for scalar inputs, returns true if the values are equal, false if not.

!=: for scalar inputs, returns true if the values are not equal, false if they are equal.

See comments for behavior with audio-sample inputs.

Type: Boolean or Samples

Comments

The equality and inequality operators accept inputs and initialization arguments of any numeric type (Integers, Floats, Doubles, Complex and DoubleComplex) as well as Strings. For scalar input, the operators return a true or false value.

If one of the arguments is an audio-sample type and the other is a numeric type, the equality operator returns a stream of audio-samples whose values are either 1 or 0 depending on whether the corresponding input sample is equal to the numeric argument. The inequality operator returns a similar result but with an output sample value of 1 whenever an input sample is unequal to the numeric argument. The relational operators do not support both parameters being audio samples.

These operators output a result whever a new value is received via the left inlet param1, using the new value of param1 and the most recent value of param2, or the optional initial argument if no value has yet been received for param2. If you want to wait until both param1 and param2 receive new input values before computing a result, use the synchronous operators '== and '!= instead.

See Also

<, <=, >=, >

'==, '!=

Expr