/*
 * static-vs-const-variable.c
 *
 * Author: Intel A80486DX2-66
 * License: Creative Commons Zero 1.0 Universal or Unlicense
 * SPDX-License-Identifier: CC0-1.0 OR Unlicense
 */

#include <inttypes.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

#ifndef M_PI
# define M_PI 3.1415926535897932384626433832795028841971693993751058209749445922
#endif

uint16_t frequently_called(uint8_t i);

uint16_t frequently_called(uint8_t i) {
	static uint16_t variable_1 = 2;
	const uint16_t variable_2 =
		(uint16_t) (
			(pow(10, floor(log10(M_PI))) + pow(10, ceil(log10(M_PI)))) / 2
		);
	static const uint16_t variable_3 = 3;

	return variable_1 * variable_2 * variable_3 * i;
}

int main(void) {
	for (uint8_t i = 1; i <= 16; i++) {
		printf("f(%02" PRIu8 ") = %" PRIu16 "\n", i, frequently_called(i));
	}

	return EXIT_SUCCESS;
}