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  1. /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
  2. #include<libc/asm.h>
  3. L0:
  4.         .quad   0xffffffffffffffff
  5.  
  6. MK_C_SYM(tan)
  7.         fldl    4(%esp)
  8.         fptan
  9.         fstsw
  10.         fstp    %st(0)
  11.         sahf
  12.         jnp     L1
  13. /*      fstp    %st(0) - if exception, there is nothing on the stack */
  14.         fldl    L0
  15. L1:
  16.         ret
  17.