remove  exp2.c
remove  fdlibm.h
remove  fpclassify.c
remove  gamma.c
remove  lrint.c
remove  lround.c
remove  nearbyint.c
remove  pow.c
remove  remainder.c
remove  remquo.c
remove  round.c
remove  roundf.c
remove  scalbln.c
remove  testextract.c
remove  tgamma.c
remove  trunc.c
remove  truncf.c
