Returns the hyperbolic sine of its argument.

    Format

      #include  <math.h>

      double sinh  (double x);

      float sinhf  (float x); (Integrity servers, Alpha)

      long double sinhl  (long double x); (Integrity servers, Alpha)

1 - Argument

 x

    A real number.

2 - Return Values

    n                  The hyperbolic sine of the argument.
    HUGE_VAL           Overflow occurred; errno is set to ERANGE.
    0                  Underflow occurred; errno is set to ERANGE.
    NaN                x is NaN; errno is set to EDOM.