@end deftypefun
@comment math.h
-@comment GNU
+@comment BSD
@deftypefun double hypot (double @var{x}, double @var{y})
The @code{hypot} function returns @code{sqrt (@var{x}*@var{x} +
@var{y}*@var{y})}. (This is the length of the hypotenuse of a right
@end deftypefun
@comment math.h
-@comment GNU
+@comment BSD
@deftypefun double cabs (struct @{ double x, y; @} @var{z})
The @code{cabs} function is similar to @code{hypot}, but the argument
is specified as a @code{struct} representing a complex number.
@comment math.h
-@comment GNU
+@comment BSD
@deftypefun double expm1 (double @var{x})
This function returns a value equivalent to @code{exp (@var{x}) - 1}.
It is computed in a way that is accurate even if the value of @var{x} is
@end deftypefun
@comment math.h
-@comment GNU
+@comment BSD
@deftypefun double log1p (double @var{x})
This function returns a value equivalent to @code{log (1 + @var{x})}.
It is computed in a way that is accurate even if the value of @var{x} is
@cindex inverse hyperbolic functions
@comment math.h
-@comment GNU
+@comment BSD
@deftypefun double asinh (double @var{x})
This function returns the inverse hyperbolic sine of @var{x}---the
value whose hyperbolic sine is @var{x}.
@end deftypefun
@comment math.h
-@comment GNU
+@comment BSD
@deftypefun double acosh (double @var{x})
This function returns the inverse hyperbolic cosine of @var{x}---the
value whose hyperbolic cosine is @var{x}. If @var{x} is less than
@end deftypefun
@comment math.h
-@comment GNU
+@comment BSD
@deftypefun double atanh (double @var{x})
This function returns the inverse hyperbolic tangent of @var{x}---the
value whose hyperbolic tangent is @var{x}. If the absolute value of