NAME
    IEEESPCosh -- compute the hyperbolic cosine of a floating point number
SYNOPSIS
      x   = IEEESPCosh(  y  );
    d0                 d0
    float   x,y;
FUNCTION
    Compute hyperbolic cosine of y in IEEE single precision
INPUTS
    y - IEEE single precision floating point value
RESULT
    x - IEEE single precision floating point value
BUGS
SEE ALSO
    ieeespsinh(), ieeesptanh()