~/dfpal# ./dfpsample 1.000001 60000

Version of DFPAL: 2.20
DFPAL is operating in software
value of n4 = 9.000000000000000E+384
9E+384 * 9E+384 = Infinity
9E+384 * 9E+384 => Overflow
DFPAL_TRP_INVALID is enabled!
DFPAL_TRP_OVERFLOW is not enabled!
DFPAL_TRP_INVALID is enabled!
sign of n1 0
Zero value = 0
n1 is less than n2
n1 - n2 = -59998.999999
N1 - N2 = -59998.999999
original decimal64 n1=1.000001
minus n1 = -1.000001
It is still Overflow
Now, it is not Overflow

~/dfpal#