#include <stdlib.h>

#include <stdio.h>

#include <emscripten/emscripten.h>


#define ARRAY_SIZE 15000576  // 100 million items


EMSCRIPTEN_KEEPALIVE
int* alloc( int size ) {

	return ( int * ) malloc( size );

}

EMSCRIPTEN_KEEPALIVE
void dealloc( int * ptr, int size ) {

	free( ptr );
	
}

EMSCRIPTEN_KEEPALIVE
float* alloc_float_array(int size) {

    return ( float * ) malloc(size * sizeof(float));

}

EMSCRIPTEN_KEEPALIVE
void dealloc_float_array(float* ptr) {
    free(ptr);
}

EMSCRIPTEN_KEEPALIVE
void init_arrays(float* a, float* b) {
    for (int i = 0; i < ARRAY_SIZE; i++) {
        a[i] = i;
        b[i] = i * 2;
    }
}

EMSCRIPTEN_KEEPALIVE
void calculate(float* a, float* b, float* c) {
    for (int i = 0; i < ARRAY_SIZE; i++) {
        c[i] = a[i] + b[i];
    }
}