test1(0,1,12,34) = 12
test1(1,0,45,67) = 67
test2(0,1,12,34) = 12
test2(1,0,45,67) = 67
test3(0,1,12,34) = 12
test3(1,0,45,67) = 67
test4(0,1,12,34) = 12
test4(1,0,45,67) = 67
test5(0,1,12) = 13
test5(1,0,45) = 44
test6(NULL) = 0
test6(&i) = 1244
test7(1,0) = -1
test7(-100,4) = -25
test8(0) = 0
test8(1) = -72
ltest1(-1, 0, 123LL, 456LL) = 124
ltest1(1, 0, 123LL, 456LL) = 114
dmax(0.0, 3.14) = 3.140000
dmax(1.0, -2.718) = 1.000000
dabs(1.0) = 1.000000
dabs(-2.718) = 2.718000
smin(0.0, 3.14) = 0.000000
smin(1.0, -2.718) = -2.718000
sdoz(1.0, 0.5) = 0.500000
sdoz(0.0, 3.14) = 0.000000