Always use the OUTLIB= option to compile your functions into a permanent SAS library. This makes your custom tools reusable across sessions.
3. Custom Function Libraries (The "Macro-to-FCMP" Converters) fcmp tools top
| Use Case | Recommended Tool | Why | | :--- | :--- | :--- | | | Google Test (gtest) | Standardized ULP logic prevents brittle tests. | | Scientific Research | MATLAB fpcompare | Visual debugging and exact bit pattern matching. | | Neural Networks | PyTorch / TF allclose | Native GPU acceleration for massive tensors. | | Cryptography/Finance | GNU MPFR | Legal-proof arbitrary precision. | | Arduino/RTOS | Custom Epsilon Macro | Minimal memory footprint. | Always use the OUTLIB= option to compile your