arm9/source/devices/math.h


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#ifndef MATH_H_
    #define MATH_H_

    #include <math.h>
    #include "../bang.h"


    // Bedrock math device.
    typedef struct {
        s16 x, y;                      // Cartesian write
        u16 r, t;                      // Polar write
        s16 x_read, y_read;            // Cartesian read
        bool x_cached, y_cached;       // Cartesian cached
        u16 r_read, t_read;            // Polar read
        bool r_cached, t_cached;       // Polar cached
        u32 prod_read;                 // Multiplication read
        bool prod_cached;              // Multiplication cached
        u16 quot_read, rem_read;       // Division read
        bool quot_cached, rem_cached;  // Division cached
    } MathDevice;

    // Methods.
    void math_reset(MathDevice *math);
    void math_clear_cartesian(MathDevice *math);
    void math_clear_polar(MathDevice *math);
    s16 math_get_x(MathDevice *math);
    s16 math_get_y(MathDevice *math);
    u16 math_get_r(MathDevice *math);
    u16 math_get_t(MathDevice *math);
    u32 math_get_prod(MathDevice *math);
    u16 math_get_quot(MathDevice *math);
    u16 math_get_rem(MathDevice *math);
#endif