w_sinh.c 791 B

12345678910111213141516171819202122232425262728293031323334
  1. /* @(#)w_sinh.c 5.1 93/09/24 */
  2. /*
  3. * ====================================================
  4. * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  5. *
  6. * Developed at SunPro, a Sun Microsystems, Inc. business.
  7. * Permission to use, copy, modify, and distribute this
  8. * software is freely granted, provided that this notice
  9. * is preserved.
  10. * ====================================================
  11. */
  12. /*
  13. * wrapper sinh(x)
  14. */
  15. #include <math.h>
  16. #include "math_private.h"
  17. double
  18. sinh (double x)
  19. {
  20. #if __UCLIBC_HAS_FENV__
  21. double z = __ieee754_sinh (x);
  22. if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
  23. && _LIB_VERSION != _IEEE_)
  24. return __kernel_standard (x, x, 25); /* sinh overflow */
  25. return z;
  26. #else
  27. return __ieee754_sinh (x);
  28. #endif
  29. }
  30. libm_hidden_def(sinh)