FloatingPointHelpers::OperatorsHelper Namespace Reference

Functions
template<class T>
static constexpr T	safe_lshift (const T x, const T amount)
template<class T>
static constexpr T	safe_rshift (const T x, const T amount)
template<class T>
static constexpr T	clamped_sub (const T x1, const T x2)
template<class T>
static constexpr T	min (const T x1, const T x2)
template<class T>
static constexpr T	max (const T x1, const T x2)
template<class T>
static constexpr T	clamp (const T x, const T low, const T high)
template<class T>
static constexpr T	bit_and (const T x1, const T x2)
template<class T>
static constexpr T	bit_or (const T x1, const T x2)

Function Documentation

bit_and()

template<class T>

constexpr T FloatingPointHelpers::OperatorsHelper::bit_and ( const T x1, const T x2 )

inlinestaticconstexpr

Definition at line 245 of file FPHelpers.h.

    {
      return x1 & x2;
    }

bit_or()

template<class T>

constexpr T FloatingPointHelpers::OperatorsHelper::bit_or ( const T x1, const T x2 )

inlinestaticconstexpr

Definition at line 251 of file FPHelpers.h.

    {
      return x1 | x2;
    }

clamp()

template<class T>

constexpr T FloatingPointHelpers::OperatorsHelper::clamp ( const T x, const T low, const T high )

inlinestaticconstexpr

Definition at line 237 of file FPHelpers.h.

    {
      return low * (x < low) + high * (x > high) + x * (x >= low && x <= high);
    }

clamped_sub()

template<class T>

constexpr T FloatingPointHelpers::OperatorsHelper::clamped_sub ( const T x1, const T x2 )

inlinestaticconstexpr

Definition at line 219 of file FPHelpers.h.

    {
      return (x1 - x2) * (x1 >= x2);
    }

max()

template<class T>

constexpr T FloatingPointHelpers::OperatorsHelper::max ( const T x1, const T x2 )

inlinestaticconstexpr

Definition at line 231 of file FPHelpers.h.

    {
      return (x1 > x2) * x1 + (x1 <= x2) * x2;
    }

min()

template<class T>

constexpr T FloatingPointHelpers::OperatorsHelper::min ( const T x1, const T x2 )

inlinestaticconstexpr

Definition at line 225 of file FPHelpers.h.

    {
      return (x1 > x2) * x2 + (x1 <= x2) * x1;
    }

safe_lshift()

template<class T>

constexpr T FloatingPointHelpers::OperatorsHelper::safe_lshift ( const T x, const T amount )

inlinestaticconstexpr

Definition at line 204 of file FPHelpers.h.

    {
      const bool valid = amount < sizeof(T) * CHAR_BIT;
      return (x << (amount * valid)) * valid;
    }

safe_rshift()

template<class T>

constexpr T FloatingPointHelpers::OperatorsHelper::safe_rshift ( const T x, const T amount )

inlinestaticconstexpr

Definition at line 211 of file FPHelpers.h.

    {
      const bool valid = amount < sizeof(T) * CHAR_BIT;
      return (x >> (amount * valid)) * valid;
    }