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5640 | pavelyakov | 1 | //IO library |
2 | #ifndef INCLUDE_MATH_H |
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3 | #define INCLUDE_MATH_H |
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5676 | pavelyakov | 4 | #print "[include |
5640 | pavelyakov | 5 | |
6 | #ifndef INCLUDE_KOLIBRI_H |
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7 | #include "../lib/kolibri.h" |
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8 | #endif |
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9 | |||
10 | :struct MATH |
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11 | { |
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12 | float pi(); |
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13 | float cos(float x); |
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14 | float sin(float x); |
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15 | float sqrt(float x); |
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16 | float tan(float x); |
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17 | float abs(float x); |
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5730 | pavelyakov | 18 | float floor(float x); |
19 | signed round(float x); |
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20 | signed ceil(float x); |
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5640 | pavelyakov | 21 | }math; |
5730 | pavelyakov | 22 | :signed MATH::round(float x) |
23 | { |
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24 | x+=0.6; |
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25 | return x; |
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26 | } |
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27 | :signed MATH::ceil(float x) |
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28 | { |
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29 | dword z; |
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30 | float tmp; |
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31 | z = x; |
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32 | tmp = z; |
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33 | IF(tmp |
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34 | return z; |
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35 | } |
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36 | :float MATH::floor(float x) |
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37 | { |
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38 | signed long z; |
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39 | z = x; |
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40 | IF(z==x)return x; |
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41 | IF(z<0) return z-1; |
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42 | return z; |
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43 | } |
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5640 | pavelyakov | 44 | :float MATH::abs(float x) |
45 | { |
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46 | IF(x<0)return -x; |
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47 | return x; |
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48 | } |
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49 | |||
50 | :float MATH::cos(float x) |
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51 | { |
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52 | float r; |
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53 | asm |
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54 | { |
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55 | fld x |
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56 | fcos |
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57 | fstp r |
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58 | } |
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59 | return r; |
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60 | } |
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61 | :float MATH::sin(float x) |
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62 | { |
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63 | float r; |
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64 | asm |
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65 | { |
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66 | fld x |
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67 | fsin |
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68 | fstp r |
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69 | } |
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70 | return r; |
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71 | } |
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72 | :float MATH::sqrt(float x) |
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73 | { |
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74 | float r; |
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75 | asm |
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76 | { |
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77 | fld x |
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78 | fsqrt |
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79 | fstp r |
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80 | } |
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81 | return r; |
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82 | } |
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83 | :float MATH::tan(float x) |
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84 | { |
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85 | float r; |
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86 | asm |
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87 | { |
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88 | fld x |
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89 | fld1 |
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90 | fpatan |
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91 | fstp r |
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92 | } |
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93 | return r; |
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94 | } |
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95 | #endif0)return>0)> |