Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

▼Ncnl	Compositional numeric library
▼Nnumbers	Compositional numeric library, numbers header/namespace
Csignedness	Trait with predicate determining that `T` is a signed number type
Cconstant	Type whose value is also its non-type template parameter
Cconvert	Converts a value from one type to another
Ccustom_operator	Customization point for operator overloads
Ccustom_operator< _impl::convert_op, op_value< Input, _impl::native_tag >, op_value< scaled_integer< ResultRep, power< ResultExponent, ResultRadix > >, neg_inf_rounding_tag > >	Cnl::neg_inf_rounding_tag
Ccustom_operator< _impl::convert_op, op_value< Input, _impl::native_tag >, op_value< scaled_integer< ResultRep, power< ResultExponent, ResultRadix > >, tie_to_pos_inf_rounding_tag > >	Cnl::tie_to_pos_inf_rounding_tag
Ccustom_operator< _impl::convert_op, op_value< Input, nearest_rounding_tag >, op_value< Result, power< 0, Radix > > >	Cnl::nearest_rounding_tag
Cfraction	Numeric type represented as the fraction, numerator `/` denominator
Cfrom_rep	Generic function object that returns the number encapsulating a given value
Cfrom_rep< Number, Rep >	Specialization of from_rep for integer types
Cfrom_rep< scaled_integer< ArchetypeRep, power< Exponent, Radix > >, Rep >	scaled_integer specialization of from_rep
Cnative_overflow_tag	Tag to match the overflow behavior of fundamental arithmetic types
Cnative_rounding_tag	Tag to match the rounding behavior of fundamental arithmetic types
Cnearest_rounding_tag	Tag to specify round-to-nearest behavior in arithemtic operations
Cneg_inf_rounding_tag	Tag to specify floor or round towards minus infinity rounding behavior in arithmetic operations
Cop_value	Operand or result of operation;used as Operands parameter of custom_operator
Cpower	Tag representing the scaling of an integer by a fixed factor
Crep_of	Meta-function object that returns the Rep type of a component
Crounding	Given a numeric type, defines member `type` as its rounding mode
Csaturated_overflow_tag	Tag to match the overflow behavior of fundamental arithmetic types
Cset_digits	Convert a type to a similar type with the given number of digits
Cset_rep	Meta-function object that transforms a component from one Rep type to another
Cset_rep< elastic_integer< Digits, Narrowest >, Rep >	elastic_integer specialization of set_rep
Cset_rounding	Given a numeric type, defines member `type` as the equivalent type with the given rounding mode User-specializations of this type are permitted
Cset_tag	Meta-function object that transforms a component from one Tag type to another
Cset_tag< elastic_integer< Digits, Narrowest >, elastic_tag< NewDigits, NewNarrowest > >	elastic_integer specialization of set_tag
Ctag_of	Meta-function object that returns the Tag type of a component
Ctie_to_pos_inf_rounding_tag	Tag to specify tie to positive inf rounding behavior in arithmetic operations
Cto_rep	Returns the value encapsulated in `number`
Ctrapping_overflow_tag	Tag to specify trap-on-overflow behavior in arithemtic operations
Cundefined_overflow_tag	Tag to specify undefined-behavior-on-overflow behavior in arithemtic operations