[SYSTEMDS-2245] Missing support for external functions with variable number of outputs

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: SystemML 1.2
• Assignee: Matthias Boehm
• Reporter: Matthias Boehm
• Created: 15/Apr/18 05:19
• Updated: 19/Jun/18 02:01
• Resolved: 19/Jun/18 02:01

Description

Since the number of outputs of external functions are checked before execution (see ExternalFunctionProgramBlock.verifyFunctionInputsOutputs), it's currently impossible to implement user-defined external (i.e., java) functions with a variable number of outputs.