#include <stdio.h>
#include <stdint.h>
#ifndef M_PI
// Stolen from /usr/include/math.h
#define M_PI 3.14159265358979323846
#endif
 
#define DEGREES_TO_RADIANS(d) ((d) *(float)M_PI / 180.0f)
#define RADIANS_TO_DEGREES(r) ((r) *180.0f / (float)M_PI)
#define RADIANS_TO_POSITION(r) (DEGREES_TO_POSITION(RADIANS_TO_DEGREES((r))))
#define POSITION_TO_RADIANS(p) (DEGREES_TO_RADIANS(POSITION_TO_DEGREES((p))))
 
#define THIRTY_DEGREES_IN_COUNTS (100000)
 
/* Define a generalized fractional multiply */
#define FRMULQ(a, b, q) (((a) * (b)) >> (q))
#define RAY_TIME_US (1.f / 0.48f)
 
static inline float POSITION_TO_DEGREES(float position)
{
    return position * (30.0f / THIRTY_DEGREES_IN_COUNTS);
}
 
int main(void) {
	// your code goes here
	const float first_ray_pos = 22091.126953;
	const int32_t distance_from_first_ray = 1;
	const int32_t vel = -19;
	const float vel_adder = (distance_from_first_ray * vel * RAY_TIME_US / 10.f);
	const float position = first_ray_pos + vel_adder;
	const float el_radians = POSITION_TO_RADIANS(position);
	printf("vel_adder=%f, position = %f, el_radians=%f", vel_adder, position, el_radians);
	return 0;
}
 

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