Source

`stdlib/math/math.cpp`

2// Original work; see ACKNOWLEDGMENTS.md for the open-source ideas we build upon.

3#include "math.hpp"

5namespace cheatah::math {

7double sqrt(double x) { return std::sqrt(x); }

8double cbrt(double x) { return std::cbrt(x); }

9double fabs(double x) { return std::fabs(x); }

10double floor(double x) { return std::floor(x); }

11double ceil(double x) { return std::ceil(x); }

12double trunc(double x) { return std::trunc(x); }

13double round(double x) { return std::round(x); }

14double exp(double x) { return std::exp(x); }

15double log(double x) { return std::log(x); }

16double log2(double x) { return std::log2(x); }

17double log10(double x) { return std::log10(x); }

18double sin(double x) { return std::sin(x); }

19double cos(double x) { return std::cos(x); }

20double tan(double x) { return std::tan(x); }

21double asin(double x) { return std::asin(x); }

22double acos(double x) { return std::acos(x); }

23double atan(double x) { return std::atan(x); }

24double atan2(double y, double x) { return std::atan2(y, x); }

25double hypot(double x, double y) { return std::hypot(x, y); }

26double fmod(double x, double y) { return std::fmod(x, y); }

27double copysign(double x, double y) { return std::copysign(x, y); }

28double degrees(double radians) { return radians * (180.0 / pi); }

29double radians(double degrees) { return degrees * (pi / 180.0); }

30bool isnan(double x) { return std::isnan(x); }

31bool isinf(double x) { return std::isinf(x); }

32bool isfinite(double x) { return std::isfinite(x); }

34long long gcd(long long a, long long b) {

35 a = a < 0 ? -a : a;

36 b = b < 0 ? -b : b;

37 while (b != 0) {

38 const long long t = a % b;

39 a = b;

40 b = t;

41 }

42 return a;

43}

44long long factorial(long long n) {

45 long long r = 1;

46 for (long long i = 2; i <= n; ++i) r *= i;

47 return r;

48}

50} // namespace cheatah::math