During January 2026, this developer contributed GPU-accelerated implementations of the cosh and sinh functions to the modular/modular standard library, addressing the lack of CUDA libm support and improving numerical accuracy for small input values. The work involved designing GPU-friendly algorithms, including a native expm1 implementation and a numerically stable expm1-based approach for sinh. Comprehensive test coverage was added, with accuracy checks across float32, float16, and bfloat16 types in Mojo. Leveraging expertise in GPU programming, mathematics, and numerical methods, the developer enhanced the library’s GPU math capabilities and resolved compile issues, delivering robust functionality for GPU-targeted applications.