power10.hpp File Reference

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Functions
template<class T >
T constexpr	power10_helper (T n, T result)
	Called from power10 to compute 10n, storing the result so far in result. More...
template<class T >
T constexpr	power10 (T n)
	Compute a power of 10 at compile time. The type T must support subtraction and multiplication. More...

Function Documentation

template<class T >

T constexpr power10

(

T

n

)

Compute a power of 10 at compile time. The type T must support subtraction and multiplication.

Definition at line 14 of file power10.hpp.

References power10_helper().

{
  return power10_helper(n, T{1});
}

template<class T >

T constexpr power10_helper	(	T	n,
		T	result
	)

Called from power10 to compute 10ⁿ, storing the result so far in result.

Definition at line 7 of file power10.hpp.

Referenced by power10().

{
  return n == T{} ? result : power10_helper(n - T{1}, T{10} * result);
}