Merge pull request #25 from jmh530/fixup

Minor `posv` fixup

Remove extra function parameter for posv (#24)

Add posv (#22)

add gtsv and trtrs

prepare for mir.complex

update lapack version

prepare for std complex

update meson and ci (#20)

* update meson and ci

* update deps

* fixup

remove void assignment

add ilaenv, ilaenv2stage, posvx, sytrf_rk, sytrs_3