add !! to signbit macro so the return type is not uint64_t
[libm] / include / tgmath.h
2012-03-05 nsztgmath.h fixes
2012-03-05 nsznew tgmath.h: c99, but return types are wrong
2012-03-05 nsztgmath: fix fabs
2012-03-03 nszinitial commit