Post #3038158

"The GNU libc atanh is correctly rounded." (https://inria.hal.science/hal-05591661) That simple phrase is so exceedingly hard to prove, and yet we chase the goal because some workloads require it and we can achieve this goal in some cases without worst case performance loss. For glibc 2.43 the project has integrated 32 of the CORE-MATH library functions.