fix unused abterm1 compile warnings #1014
Merged
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The file
exp_sinh_detail.hpp
contains an unconditionally unused variableabterm1
that causes compile warnings. This issue was fixed for C++17 and above in #884 with the addition of theBOOST_MATH_MAYBE_UNUSED
macro.This PR implements a direct fix that removes the warning for all C++ versions. It also removes the
BOOST_MATH_MAYBE_UNUSED
macro as this is the only place it's used in the Boost (all libraries).