Add min(), max() for any number of arguments
This commit is contained in:
parent
c26e84ff8c
commit
034b8a75d1
25
math/math.h
25
math/math.h
|
@ -12,6 +12,31 @@ CPP_UTILITIES_EXPORT int factorial(int number);
|
|||
CPP_UTILITIES_EXPORT uint64 powerModulo(uint64 base, uint64 expontent, uint64 module);
|
||||
CPP_UTILITIES_EXPORT int64 inverseModulo(int64 number, int64 module);
|
||||
CPP_UTILITIES_EXPORT uint64 orderModulo(uint64 number, uint64 module);
|
||||
|
||||
/// \brief Returns the smallest of the given items.
|
||||
template <typename T> constexpr T min(T first, T second)
|
||||
{
|
||||
return first < second ? first : second;
|
||||
}
|
||||
|
||||
/// \brief Returns the smallest of the given items.
|
||||
template <typename T1, typename... T2> constexpr T1 min(T1 first, T1 second, T2... remaining)
|
||||
{
|
||||
return first < second ? min(first, remaining...) : min(second, remaining...);
|
||||
}
|
||||
|
||||
/// \brief Returns the greatest of the given items.
|
||||
template <typename T> constexpr T max(T first, T second)
|
||||
{
|
||||
return first > second ? first : second;
|
||||
}
|
||||
|
||||
/// \brief Returns the greatest of the given items.
|
||||
template <typename T1, typename... T2> constexpr T1 max(T1 first, T1 second, T2... remaining)
|
||||
{
|
||||
return first > second ? max(first, remaining...) : max(second, remaining...);
|
||||
}
|
||||
|
||||
} // namespace MathUtilities
|
||||
|
||||
#endif // MATHUTILITIES_H
|
||||
|
|
|
@ -10,6 +10,19 @@ using namespace TestUtilities::Literals;
|
|||
|
||||
using namespace CPPUNIT_NS;
|
||||
|
||||
namespace MathUtilities {
|
||||
|
||||
static_assert(min(1, 2, 3) == 1, "min");
|
||||
static_assert(min(3, 2, 1) == 1, "min");
|
||||
static_assert(min(3, 4, 2, 1) == 1, "min");
|
||||
static_assert(min(3, 4, -2, 2, 1) == -2, "min");
|
||||
static_assert(max(1, 2, 3) == 3, "max");
|
||||
static_assert(max(3, 2, 1) == 3, "max");
|
||||
static_assert(max(3, 4, 2, 1) == 4, "max");
|
||||
static_assert(max(3, -2, 4, 2, 1) == 4, "max");
|
||||
|
||||
} // namespace MathUtilities
|
||||
|
||||
/*!
|
||||
* \brief The MathTests class tests functions of the MathUtilities namespace.
|
||||
*/
|
||||
|
|
Loading…
Reference in New Issue