trend.c

#include <stdio.h>

float buffer[16] = {
  22.66,
  22.67,
  22.15,
  22.85,
  21.90,
  21.90,
  24.01,
  24.05,
  24.59,
  24.88,
  24.90,
  25.01,
  25.05,
  25.11,
  25.19,
  25.58
};

/*
float buffer[16] = {
  26.66,
  25.67,
  25.15,
  24.85,
  24.10,
  23.90,
  23.04,
  23.05,
  22.59,
  21.88,
  21.00,
  20.03,
  20.01,
  19.21,
  19.19,
  18.58
};*/

void print_buffer(){
  for (int i=0; i<16; i++){
    printf("%f\n", buffer[i]);
  }
}


void get_divi(){

  printf("DIVI\n=====\n" );
  float diff[16];
  float tot = 0;
  for (int i = 0; i<15; i++){
    diff[i] = buffer[i+1] - buffer[i];
    tot+=diff[i];
  }

  for (int i=0; i<15; i++){
    printf("#%i, diff=%f, curr=%f prev=%f\n", i, diff[i], buffer[i], buffer[i+1]);
  }

  tot = (tot/15);
  float tt = (buffer[16] - buffer[0] / 16);




  if (tot>0){
    printf("\ntrend=falling\n");
  }
  if (tot<0){
    printf("\ntrend=rising\n");
  }

  printf("variance=%f trend=%f\n\n", tot, tt);



}


int get_trend(){

  float base = buffer[0];
  float max = base;
  float min = base;
  int upper = 0;
  int lower = 0;

  float upf;
  float lowf;

  int g=1;

  printf("\n\nENI_TREND\n=====\n" );

  for (int i=15; i>0; i--){
    if (buffer[i]>base){
      if (max<buffer[i]){
        max = buffer[i];
      }
      lowf += ((float) (buffer[i]-base) * (1*g) );
      lower+=(1*g);
      printf("#%i dir=lower lowc=%i lowf=%f\n", i, lower, lowf);
    }
    if (buffer[i]<base){
      if (min>buffer[i]){
        min = buffer[i];
      }
      upf += ((float) (base-buffer[i]) * (1*g) );
      upper+=(1*g);
      printf("#%i dir=upper lowc=%i lowf=%f\n", i, upper, upf);
    }
    g++;
  }


  float max_range = (max - base);
  float min_range = (base - min);



  if (upf>lowf){
    printf("\ntrend=rising\n" );
  }
  if (lowf>upf){
    printf("\ntrend=falling\n" );
  }
  printf("lowf=%f upf=%f\n", lowf, upf);

  printf("lower=%i upper=%i\n", lower, upper);
  printf("min=%f max=%f\n", min, max);
  printf("min_range=%f max_range=%f\n\n\n", min_range, max_range);


}


int main(void){
  get_trend();
  get_divi();
  return 0;
}