Limits

This header defines fennec::numeric_limits which contains info regarding the limits of numeric types including floats and integers. There are overloads for all builtin types, and overloads for other types are included in their own header.

#include <fennec/lang/limits.h>

Numeric Limits

Member	Description
Traits
is_specialized	Check if the template is specialized for TypeT.
is_signed	Check if TypeT is signed.
is_integer	Check if TypeT is of an integral type.
is_exact	Check if TypeT is exact in its precision.
has_infinity	Check if TypeT can hold a value representing infinity.
has_quiet_nan	Check if TypeT can hold a non-signaling nan.
has_signaling_nan	Check if TypeT can hold a signaling nan.
is_iec559	Check if a TypeT representing a float is IEC 559 or IEEE 754.
is_bounded	Check if TypeT represents a finite set of values.
is_modulo	Check if TypeT can handle modulo arithmetic.
tinyness_before	Check if TypeT checks for tinyness before rounding.
traps	Check if TypeT can cause operations to trap.
Binary
radix	Get the base representation of the type.
digits	Get the number of radix digits TypeT represents.
digits10	Get the number of decimal digits TypeT represents.
max_digits10	Get the maximum number of decimal digits TypeT represents.
min_exponent	Get the minimum number of radix digits that represent the exponent of TypeT.
min_exponent10	Get the minimum number of decimal digits that represent the exponent of TypeT.
max_exponent	Get the maximum number of radix digits that represent the exponent of TypeT.
max_exponent10	Get the maximum number of decimal digits that represent the exponent of TypeT.
Limits
min()	Returns the minimum finite value of TypeT.
max()	Returns the maximum finite value of TypeT.
lowest()	Returns the smallest positive value of TypeT.
epsilon()	Returns the difference between 1.0 and the next representable value.
round_error()	Returns the max rounding error of TypeT.
infinity()	Returns a value of TypeT holding a positive infinity.
quiet_NaN()	Returns a value of TypeT holding a quiet NaN.
signaling_NaN()	Returns a value of TypeT holding a signaling NaN.
denorm_min()	Returns a value of TypeT holding the smallest positive subnormal.