/*

  This program is part of the TACLeBench benchmark suite.
  Version V 1.9

  Name: rad2deg

  Author: unknown

  Function: rad2deg performs conversion of radiant to degree

  Source: MiBench
          http://wwweb.eecs.umich.edu/mibench

  Original name: basicmath_small

  Changes: no major functional changes

  License: this code is FREE with no restrictions

*/

#include "pi.h"

// Wasm loop bounds

__attribute__((import_module("__pragma"), import_name("loopbound"))) extern void
__pragma_loopbound(unsigned int min_bound, unsigned int max_bound);

#define rad2deg(r) ((r) * 180 / PI)

/*
  Forward declaration of functions
*/

void rad2deg_init(void);
__attribute__((noinline)) __attribute__((export_name("entrypoint"))) void
rad2deg_main(void);
int rad2deg_return(void);
__attribute__((noinline)) __attribute__((export_name("main"))) int main(void);

/*
  Declaration of global variables
*/

float rad2deg_X, rad2deg_Y;

/*
  Initialization function
*/

void
rad2deg_init(void) {
    rad2deg_X = 0;
    rad2deg_Y = 0;
}

/*
  Return function
*/

int
rad2deg_return(void) {
    int temp = rad2deg_Y;

    if (temp == 64620)
        return 0;
    else
        return -1;
}

/*
  Main functions
*/

__attribute__((noinline)) __attribute__((export_name("entrypoint"))) void
rad2deg_main(void) {
    __pragma_loopbound(360, 360);
    for (rad2deg_X = 0.0f; rad2deg_X <= (2 * PI + 1e-6f);
         rad2deg_X += (PI / 180))
        rad2deg_Y += rad2deg(rad2deg_X);
}

__attribute__((noinline)) __attribute__((export_name("main"))) int
main(void) {
    rad2deg_init();
    rad2deg_main();
    return rad2deg_return();
}