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#ifndef INC_AP_MATH_H_
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#ifndef INC_AP_MATH_H_
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#define INC_AP_MATH_H_
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#define INC_AP_MATH_H_
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#define AP_K 256
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#define AP_K 256
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#define AP_SCALE(x) ((x)/AP_K)
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#define AP_SCALE(x) ((x)/AP_K)
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/* the number of steps in 90 degrees */
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#define SINE_SCALING 4
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#define  SINE_STEPS (90*SINE_SCALING)
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extern void ap_init(void);
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extern void ap_init(void);
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extern int ap_sin(int x);
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extern int ap_sin(int x);
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extern int ap_cos(int x);
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extern int ap_cos(int x);
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