suppressing integer benches for trig functions
suppressing integer tests in trig cover simd
suppressing impl of call to trig functions with int parameters
treating cover involving tuple returns
suppressing some comments in scalar benches
suppressing some comments in simd benches
missing includes in acospi/asinpi
cbrt only needs fast_frexp
 abs is needed in log only if denormals are enabled
guarding denormal tests and adding some to fr/ldexp unit tests
headers fixed in ieee.functions/simd/common
fixed warning in scalar signnz.hpp
fixing includes in frexp, ldexp, fast_frexp and fast_ldexp
fix typo in fast_ldexp + remove unused typedef
Merge pull request #641 from jtlap/cbrt_only_need_fast_frexp

cbrt only needs fast_frexp
Merge pull request #645 from jtlap/ldfrxp_tests

guarding denormal tests and adding some to fr/ldexp unit tests
bad indent in scalar/impl/logs/f_log.hpp
Merge pull request #642 from jtlap/log_doesnt_always_need_abs

 abs is needed in log only if denormals are enabled
microsoft warning fixed for aligned allocation
added standard malloc-like-function attributes (issue 530)