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4 mjames 1 
/*
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 * ap_math.h
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 *
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 *  Created on: 31 Jan 2016
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 *      Author: Mike
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 */
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#pragma once
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#include <cstdint>
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class ap_math
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{
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public:
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  ap_math();
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  /* returns AP_SCALE * sin(ang) where ang is in degrees * SINE_SCALING*/
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  int ap_sin(int angle);
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  /* returns AP_SCALE * sin(cos) where ang is in degrees * SINE_SCALING */
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  int ap_cos(int angle);
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  unsigned const AP_K = 256;
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  int AP_SCALE(int x) { return x / AP_K; };
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  /* the number of steps in 90 degrees */
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  static int const SINE_SCALING = 4;
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  static int const SINE_STEPS = (90 * SINE_SCALING);
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};