swift

c76bde94 - Defines derivatives for remaining tgmath math functions. (#27559)

Defines derivatives for remaining tgmath math functions. (#27559) * Inverse trigonometric functions. * Exponents and logarithms. * Hyperbolic functions. * Error functions ( erf, erfc ). * Free generic functions: sqrt, fma. Partially resolves [TF-812](https://bugs.swift.org/browse/TF-812).