echo "Here is a set of tests of the modular arithmetic routines.  Before"
echo "each execution output is a copy of the input file.  All of these"
echo "results have been compared against the output of the Unix 'dc' (desktop"
echo "calculator) program which can handle arbitrary precision math.  There"
echo "was always agreement."
echo ""
echo ""
echo "---------- arith n0 ----------"
echo Should fail because input file is empty.
echo
echo "-begin input file-"
cat n0
echo "-end input file-"
echo ""
arith n0
echo ""
echo ""
echo "---------- arith n1 ----------"
echo Simple test using very small numbers.
echo
echo "-begin input file-"
cat n1
echo "-end input file-"
echo ""
arith n1
echo ""
echo ""
echo "---------- arith n2 ----------"
echo Another simple test.  Note value of 100 - 200.
echo
echo "-begin input file-"
cat n2
echo "-end input file-"
echo ""
arith n2
echo ""
echo ""
echo "---------- arith n3 ----------"
echo Test where one of the input numbers equals the modulus, which
echo means that its value ends up being zero.  Serves as a good "unity"
echo test for addition and subtraction as well.
echo
echo "-begin input file-"
cat n3
echo "-end input file-"
echo ""
arith n3
echo ""
echo ""
echo "---------- arith n4 ----------"
echo Fairly large numbers.
echo
echo "-begin input file-"
cat n4
echo "-end input file-"
echo ""
arith n4
echo ""
echo ""
echo "---------- arith n5 ----------"
echo "-begin input file-"
cat n5
echo "-end input file-"
echo ""
arith n5
echo ""
echo ""
echo "---------- arith n6 ----------"
echo "-begin input file-"
cat n6
echo "-end input file-"
echo ""
arith n6
echo ""
echo ""
echo "---------- arith n7 ----------"
echo "-begin input file-"
cat n7
echo "-end input file-"
echo ""
arith n7