几个数学函数。

alexries

2. // Basic
3. int round(fixed f);
4. int floor(fixed f);
5. int ceil(fixed f);
6. bool isInt(fixed f);
7. fixed mod(fixed f, fixed k);
9. // Trigonometric
10. const fixed PI = 3.14159265;
11. const fixed PI_OVER_TWO = 1.570796326795;
12. const fixed ONE_OVER_PI = 0.318309886183;
13. const fixed SQRT_TWO = 1.414213562373;
14. const fixed MATH_E = 2.718281828459;
16. fixed cos (fixed x);
17. fixed sin (fixed x);
18. fixed tan (fixed x);
19. fixed sec (fixed x);
20. fixed csc (fixed x);
21. fixed cot (fixed x);
23. fixed DegToRad (fixed x);
24. fixed RadToDeg (fixed x);
26. // Point
27. fixed PointX(point p);
28. fixed PointY(point p);
30. const fixed PI_OVER_TWO = 1.570796326795;
31. const fixed ONE_OVER_PI = 0.318309886183;
32. const fixed SQRT_TWO = 1.414213562373;
33. const fixed MATH_E = 2.718281828459;
35. fixed sec (fixed x);
36. fixed csc (fixed x);
37. fixed cot (fixed x);

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