w_sinh_compat.c 828 B

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  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. #include <math-svid-compat.h>
  18. #include <libm-alias-double.h>
  19. #if LIBM_SVID_COMPAT
  20. double
  21. __sinh (double x)
  22. {
  23. double z = __ieee754_sinh (x);
  24. if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
  25. && _LIB_VERSION != _IEEE_)
  26. return __kernel_standard (x, x, 25); /* sinh overflow */
  27. return z;
  28. }
  29. libm_alias_double (__sinh, sinh)
  30. #endif