{{keywords>wiki library source code example reference}}
===== sinh =====
<code c>
     double sinh(double);
</code>
return the hyperbolic sinus

===== C Sourcecode Example =====
compile in linux with: gcc sinh.c -o sinh **-lm** -Wall
<code c>     
#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */

#include <math.h> /* including math library */

int main (void)
{
  double x;
  x = log(4.2);
  printf ("hyperbolic sine of %lf is %lf\n", x, sinh(x) );
  return 0;
}
</code>

==== output ====
   output:
   user@host:~$ ./sinh 
   hyperbolic sine of 1.435085 is 1.980952