about summary refs log tree commit diff
path: root/src/c/read.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/c/read.c')
-rw-r--r--src/c/read.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/src/c/read.c b/src/c/read.c
deleted file mode 100644
index 48ece4b..0000000
--- a/src/c/read.c
+++ /dev/null
@@ -1,133 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <math.h>
-
-// Define some constants
-int range = 100;
-
-// Define some variables
-int sigma = 200;
-float f_0 = 0.1;
-float R_s = 1e4;
-
-// Define some constants
-float pi = M_PI;
-float e = M_E;
-float G = 4.302e-3;
-
-// Prototype pythagoras function
-float pythagoras(int x, int y, int z);
-// More prototypes
-float rho(float r);
-float phi(float x);
-
-int main(int argc, char *argv[] ){
-  // Seed random
-  srand(time(NULL));
-
-  // Define the number of stars that should be generated using command line
-  // arguments
-  long num_of_stars = atoi(argv[1]);
-
-  // define an array to store the coordinates of the stars in
-  int star_arr[num_of_stars][3];
-
-  /*
-    Generate random coordinates
-  */
-
-  // generate the random coordinates
-  for(int i = 0; i < num_of_stars; i++){
-    star_arr[i][0] = rand() % range + 1;
-    star_arr[i][1] = rand() % range + 1;
-    star_arr[i][2] = rand() % range + 1;
-  }
-
-  /*
-    Print out the coordinates
-  */
-
-  // print the content of the array star_arr
-  for(int i = 0; i < num_of_stars; i++){
-    printf("%d, %d, %d\n", star_arr[i][0], star_arr[i][1], star_arr[i][2]);
-    printf("%f\n\n", pythagoras(star_arr[i][0], star_arr[i][1], star_arr[i][2]));
-
-  }
-
-  /*
-    Generate a lookuptable
-  */
-
-  // If the correct amount (2) of command line arguments are given, continue
-  if( argc == 2 ) {
-
-    // Print out how many stars are being generated
-    printf("Generating %s Values...\n", num_of_stars);
-
-    // Open a file into which the lookuptable wil be written
-    FILE * fp = fopen("testFile.csv", "w+");
-
-    // Abourt if no file is specified
-    if(fp == NULL){
-      printf("Error opening the file!\n");
-      exit(1);
-    }
-
-    // generate the lookuptable
-    for(int i = 0; i < num_of_stars; i++){
-      fprintf(fp, "%d, %f\n", i, phi(i));
-    }
-
-    // close the file now containing the lookuptable
-    fclose(fp);
-
-  }
-  // Exception: to many arguments
-  else if( argc > 2 ) {
-    printf("Too many arguments supplied.\n");
-    return 0;
-  }
-  // Exception: no argument specified
-  else {
-    printf("One argument expected.\n");
-    return 0;
-  }
-
-  // Test if the Star should be generated or not
-
-    // If the star should be generated, write it's coordinates to a file
-    // Else do nothing
-
-  return 0;
-}
-
-// Define the Pythagorean theorem
-float pythagoras(int x, int y, int z){
-  float a = pow(x, 2);
-  float b = pow(y, 2);
-  float c = pow(z, 2);
-  float d = a + b + c;
-  float e = sqrt(d);
-  return e;
-}
-
-// Define rho function
-float rho(float r){
-  float a = (1) / ( sqrt(2 * pi) * sigma);
-  float b = exp( - (phi(r) / pow(sigma, 2) ));
-  return a;
-}
-
-// Define phi function
-float phi(float x){
-  if(x == 0) {
-    float a = -4 * pi * f_0 * G * pow(R_s, 2);
-    return(a);
-  }
-  else {
-    float a = - (4 * pi * G * f_0 * pow(R_s, 3) / x);
-    float b = log(1 + (x / R_s) );
-    return(a * b);
-  }
-}