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authorSzabolcs Nagy <nsz@port70.net>2017-04-19 00:20:54 +0200
committerRich Felker <dalias@aerifal.cx>2017-08-29 21:47:10 -0400
commit06fbefd10046a0fae7e588b7c6d25fb51811b931 (patch)
tree032c4ece67f6217ceb354ebff4c9889f2f0133eb /src/complex/ctan.c
parent3356177979bea717451362e746252ed38de77514 (diff)
downloadmusl-06fbefd10046a0fae7e588b7c6d25fb51811b931.tar.gz
add a_clz_64 helper function
counts leading zero bits of a 64bit int, undefined on zero input. (has nothing to do with atomics, added to atomic.h so target specific helper functions are together.) there is a logarithmic generic implementation and another in terms of a 32bit a_clz_32 on targets where that's available.
Diffstat (limited to 'src/complex/ctan.c')
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