In order to obtain information about decimals and ddecimals in your version of Pop-11 use the following library
lib float_parametersThis provides the following implementation dependent constants, all of which are explained fully in REF NUMBERS:
pop_most_positive_decimal
pop_least_positive_decimal
pop_least_negative_decimal
pop_most_negative_decimal
pop_most_positive_ddecimal
pop_least_positive_ddecimal
pop_least_negative_ddecimal
pop_most_negative_ddecimal
pop_plus_epsilon_decimal
pop_plus_epsilon_ddecimal
pop_minus_epsilon_decimal
pop_minus_epsilon_ddecimal
Additional information about the representation of individual floating
point numbers can be obtained using facilities defined below.