namespace MathConstants {
	const double E = 2.71828182845904523536;			// e
	const double LOG2E = 1.44269504088896340736;		// log2(e)
	const double LOG10E = 0.434294481903251827651;		// log10(e)
	const double LN2 = 0.693147180559945309417;			// ln(2)
	const double LN10 = 2.30258509299404568402;			// ln(10)
	const double PI = 3.14159265358979323846;			// pi
	const double PI_2 = 1.57079632679489661923;			// pi/2
	const double PI_4 = 0.785398163397448309616;		// pi/4
	const double PI_1_PI = 0.318309886183790671538;		// 1/pi
	const double PI_2_PI = 0.636619772367581343076;		// 2/pi
	const double PI_2_SQRTPI = 1.12837916709551257390;	// 2/sqrt(pi)
	const double SQRT2 = 1.41421356237309504880;		// sqrt(2)
	const double SQRT1_2 = 0.707106781186547524401;		// 1/sqrt(2)
};

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