# exp
test exp 88.72269439697265625
decimal32 15
decimal64 13

# log
test log1p 3.141592653589793238462643383279503
decimal32 1

# log10
test log10 3.141592653589793238462643383279503
decimal64 1

test log10 2.718281828459045235360287471352662
decimal128 1
