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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5266 | eugene455 | 1 | const float sctable[91]={0.000,0.017,0.035,0.052,0.069,0.087,0.104,0.121,0.139,0.156,0.173, |
| 2 | 0.190,0.207,0.225,0.242,0.259,0.275,0.292,0.309,0.325,0.342, |
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| 3 | 0.358,0.374,0.390,0.406,0.422,0.438,0.454,0.469,0.485,0.500, |
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| 4 | 0.515,0.530,0.545,0.560,0.573,0.588,0.602,0.616,0.629,0.643, |
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| 5 | 0.656,0.669,0.682,0.695,0.707,0.719,0.731,0.743,0.754,0.766, |
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| 6 | 0.777,0.788,0.798,0.809,0.819,0.829,0.838,0.848,0.857,0.866, |
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| 7 | 0.875,0.883,0.891,0.899,0.906,0.913,0.920,0.927,0.934,0.939, |
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| 8 | 0.945,0.951,0.956,0.961,0.965,0.970,0.974,0.978,0.982,0.985, |
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| 9 | 0.987,0.990,0.992,0.994,0.996,0.997,0.998,0.999,0.999,1.000}; |
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| 10 | |||
| 11 | float sin (int angle) { |
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| 12 | float res=1; |
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| 13 | angle%=360; |
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| 14 | if (angle>180) res=-1; |
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| 15 | if (angle>=0 && angle<=90) return (res*sctable[angle]); |
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| 16 | if (angle>90 && angle<=180) return (res*sctable[180-angle]); |
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| 17 | if (angle>180 && angle<=270) return (res*sctable[angle-180]); |
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| 18 | if (angle>270) return (res*sctable[360-angle]); |
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| 19 | return res; |
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| 20 | } |
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| 21 | |||
| 22 | float cos (int angle) { |
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| 23 | float res=1; |
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| 24 | angle%=360; |
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| 25 | if (angle>90 && angle<270) res=-1; |
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| 26 | if (angle>=0 && angle<=90) return (res*sctable[90-angle]); |
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| 27 | if (angle>90 && angle<=180) return (res*sctable[angle-90]); |
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| 28 | if (angle>180 && angle<=270) return (res*sctable[90-(angle-180)]); |
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| 29 | if (angle>270) return (res*sctable[90-(360-angle)]); |
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| 30 | return res; |
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| 31 | } |
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| 32 | |||
| 33 | int FloatToInt (float a) { |
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| 34 | int sign=1; |
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| 35 | int result=0; |
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| 36 | if (a<1 && a>(-1)) return 0; |
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| 37 | if (a<0) { |
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| 38 | sign=-1; |
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| 39 | a*=(-1); |
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| 40 | } |
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| 41 | while (a>=1) { |
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| 42 | a--; |
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| 43 | result++; |
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| 44 | } |
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| 45 | return (result*sign); |
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| 46 | } |
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| 47 | |||
| 48 | int min (int a, int b) { |
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| 49 | if (a<=b) return a; |
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| 50 | return b; |
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| 51 | } |
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| 52 | |||
| 53 | int max (int a, int b) { |
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| 54 | if (a>=b) return a; |
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| 55 | return b; |
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| 56 | } |
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| 57 | |||
| 58 | void IntToStr (int Value, char Str[]) { |
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| 59 | char Stack[100]=""; |
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| 60 | int StackLen=0; |
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| 61 | if (Value==0) { |
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| 62 | Str[0]='0'; |
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| 63 | Str[1]='\0'; |
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| 64 | return; |
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| 65 | } |
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| 66 | while (Value!=0) { |
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| 67 | Stack[StackLen]=Value%10+48; |
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| 68 | Value/=10; |
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| 69 | StackLen++; |
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| 70 | } |
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| 71 | int i=0; |
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| 72 | for (i=0; i |
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| 73 | Str[i]=Stack[StackLen-i-1]; |
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| 74 | } |
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| 75 | Str[i]='\0'; |
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| 76 | } |
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| 77 | |||
| 78 | int Abs (int a) { |
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| 79 | if (a<0) return (-1)*a; |
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| 80 | return a; |
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| 81 | } |
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| 82 |