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latch

Save value of an expression

Syntax

Description

latch(x) saves the value of x when the test step is entered and returns that value of x. The latch(x) statement reevaluates the next time the step is entered.

Examples

Use latch to Save a Value

Save the value of the torque in the variable latch_val.

latch_val = latch(torque)

Tips

  • latch signal generation statements can be used in the Test Sequence and Test Assessment blocks.

  • latch signal generation statements cannot be used in Stateflow® charts.

Introduced in R2015a