/*
  tvq_mbest.c
  David Rowe Dec 2019

  Generate some test vectors to exercise misc/vq_mbest.c
*/

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>

void write_float_file(char fn[], float *values, int n) {
  FILE *f = fopen(fn, "wb");
  assert(f != NULL);
  assert(fwrite(values, sizeof(float), n, f) == n);
  fclose(f);
}

int main(void) {
  /* we're only interested in searching the inner 2 values, outer elements
     should be ignored */
  float target[] = {0.0, 1.0, 1.0, 0.0};
  write_float_file("target.f32", target, 4);
  float vq1[] = {
      1.0, 0.9, 0.9, 1.0,  /* this will be a better match on first stage */
      2.0, 0.8, 0.8, 2.0}; /* but after second stage should choose this  */
  write_float_file("vq1.f32", vq1, 8);
  float vq2[] = {10.0, 0.3, 0.3, 10.0, 20.0,
                 0.2,  0.2, 20.0}; /* 0.8+0.2 == 1.0 so best 2nd stage entry */
  write_float_file("vq2.f32", vq2, 8);
  return 0;
}