Engee documentation

Relational Operator

Compares input signals.

relational operator

Description

The Relational Operator block compares input signals in the specified way. The value of the Relational operator parameter determines whether the block accepts one or two input signals.

Dual input mode

By default, the Relational Operator block compares two inputs as specified by the Relational operator parameter.

In Dual Input Mode, you can select one of the following operations:

Operation Description

True if the first input is equal to the second input.

True if the first input is not equal to the second input.

True if the first input is less than the second input.

True if the first input is less than or equal to the second input.

True if the first input is greater than or equal to the second input.

True if the first input is greater than the second input.

Input signals can be scalars, arrays, or a combination of both.

For. An output is…​

Scalar inputs

scalar

Array inputs

An array of the same size, where each element is the result of a piecewise comparison of the input arrays.

Mixed inputs: scalars and arrays

An array where each element is the result of comparing a scalar and the corresponding array element.

Expansion of dimensions is supported. For example, if the first input is an array of size 4x1 and the second input is an array of size 1x5, the output will be a 4x5 matrix.

The output is 1 if the comparison condition is met, and 0 if it is not met.

Single input mode

When one of the following Relational operator values is selected, the unit switches to single input mode:

Operation Description

isInf

True if the input is Inf

isNaN

True if the input is NaN

isFinite

True if the input is finite

For an input whose data type is not a floating point type, the block returns the following values:

Data type Operation Block output

Fixed point

isInf

False

Logical

isNaN

False

Integer

isFinite

True

Ports

Input

Port_1 - first input signal
scalar | vector | matrix

First input signal as a scalar, vector or matrix.

Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, Int128, UInt8, UInt16, UInt32, UInt64, UInt128, Bool.

*Support for complex numbers: Yes

Port_2 - second input signal
scalar | vector | matrix

Second input signal as a scalar, vector or matrix.

Dependencies

To use this port, set the Relational operator parameter to , , , , , or .

Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, Int128, UInt8, UInt16, UInt32, UInt64, UInt128, Bool.

*Support for complex numbers: Yes

Output

Port_1 - output signal
scalar | vector | matrix

Output signal consisting of zeros and ones with the same dimensions as the input. The output data type is specified by the Output data type parameter

*Output data types: Bool, UInt8.

Parameters

Relational operator - comparison operator
< = (by default) | ~= | == | < | ⇐ | >= | >| isInf | isNaN | isFinite

Specifies an operation to compare two inputs or to determine the signal type of one input.

  • - true if the first input is equal to the second input.

  • - true if the first input is not equal to the second input.

  • - true if the first input is less than the second input.

  • - true if the first input is less than or equal to the second input.

  • - true if the first input is greater than or equal to the second input.

  • - true if the first input is greater than the second input.

  • isInf - true if the input is Inf.

  • isNaN - true if the input is NaN.

  • isFinite - true if the input is finite.

Usage in program code

Block parameter

Operator

Value

== | ~= | < | <= | >= | >

By default

< =
Output data type - output data type
Bool (by default) | Uint8

Specify the type of output data.

Usage in program code

Block parameter

OutDataTypeStr

Value

Bool | Uint8

By default

Bool

Additional options

C code generation: Yes

Examples