NAME
    IEEESPSub -- subtract one single precision IEEE number from another

SYNOPSIS
      x   = IEEESPSub(  y  ,  z  );
     d0                d0     d1

    float   x,y,z;

FUNCTION
    Compute x = y - z in IEEE single precision.

INPUTS
    y -- IEEE single precision floating point value
    z -- IEEE single precision floating point value

RESULT
    x -- IEEE single precision floating point value

BUGS

SEE ALSO
    IEEESPAdd