gsDesign

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gsDesign::gsBoundSummary() should be updated to show at least a warning when hr0 is not present and before it auto-switches to the default value 1. This will make the design update less error-prone.

Assume x is the original design and xu is the updated design, the current workaround is

For non-inferiority and super-superiorty trials
xu$hr0 <- x$hr