Table Of Contents

Select (Multirate Dataflow)

Last Modified: January 23, 2017

Returns one of two specified values depending on a Boolean value.

If selector is TRUE, this node returns the value wired to true case. If selector is FALSE, this node returns the value wired to false case.

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true case

Value that this node returns if selector passes a TRUE value.

true case and false case must be of the same type, but they can have different numeric representations.

This input supports all data types.

Data Type Changes on FPGA

When you add this node to a document targeted to an FPGA, this input has a default data type that uses fewer hardware resources at compile time.

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selector

A Boolean value that determines whether this node returns true case or false case.

True This node returns true case for output.
False This node returns false case for output.

If you wire an error cluster to selector and an error occurs, the error cluster passes a True value to the node. Otherwise, the error cluster passes a False value to the node.

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false case

Value that this node returns if selector passes a FALSE value.

true case and false case must be of the same type, but they can have different numeric representations.

This input supports all data types.

Data Type Changes on FPGA

When you add this node to a document targeted to an FPGA, this input has a default data type that uses fewer hardware resources at compile time.

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output

The value wired to true case if selector is True. output is the value wired to false case if selector is False.

Data Type Changes on FPGA

When you add this node to a document targeted to an FPGA, this output has a default data type that uses fewer hardware resources at compile time.

Where This Node Can Run:

Desktop OS: Windows

FPGA: All devices


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