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What is Debugging Numerical Programs Challenges about?

The document discusses debugging numerical programs that produce different results due to rounding errors. It presents a hypothetical case study where discrepancies are found between different software versions simulating astronomical observatories. The author explains how they are able to debug which version is correct by rerunning modules with different rounding modes, without changing the code. They find one module, w, is stable across rounding modes, while the others produce different results. The abili

Author

cartamenes

Language

EN