src/calc_data.c


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#include "calc_data.h"

int
next_calc(int i)
{
	if (i == CALC_COUNT - 1)
		return 0;
	else
		return i+1;
}

int
loop_backwards(int i)
{
	if (i == 0)
		return CALC_COUNT-1;
	else
		return i-1;
}