NAME
    IEEESPFlt -- convert integer to IEEE single precision number
SYNOPSIS
      x   = IEEESPFlt(  y  );
     d0                d0
    float   x;
    long    y;
FUNCTION
    Convert a signed 32 bit value to a single precision IEEE value
    and return it in d0. No exceptions can occur with this
    function.
INPUTS
    y -- 32 bit integer in d0
RESULT
    x is a 32 bit single precision IEEE value
BUGS
SEE ALSO
    ieeespfix