for rootman to be correct

math/fibonacci/main.c → c/math/fibonacci/main.c

@@ -21,32 +21,32 @@
 
 void f_fibonacci(int v_i)
 {
-	long long int v_fibonacci[v_i];
-	int i;
-	v_fibonacci[0]=0;
-	v_fibonacci[1]=1;
-	for (i=-1;i<v_i;i++)
-	{
-		v_fibonacci[i+3]=v_fibonacci[i+2]+v_fibonacci[i+1];
-		printf("Durchlauf:\t%i\tfibonacci Zahl:\t%lli\n",i+1,v_fibonacci[i+1]);
-	}
+  long long int v_fibonacci[v_i];
+  int i;
+  v_fibonacci[0]=0;
+  v_fibonacci[1]=1;
+  for (i=-1;i<v_i;i++)
+    {
+      v_fibonacci[i+3]=v_fibonacci[i+2]+v_fibonacci[i+1];
+      printf("Durchlauf:\t%i\tfibonacci Zahl:\t%lli\n",i+1,v_fibonacci[i+1]);
+    }
 }
 
 void usage(char *program_name)
 {
   printf("Usage: %s <Genauigkeit>\n", program_name);
-    exit(1);
-    }
-int main(int argc, char *argv[])
+  exit(1);
+}
+void main(int argc, char *argv[])
 {
   if(argc == 2)
   {
-  	int fibonacci = atoi(argv[1]);
-	f_fibonacci(fibonacci);
+    int fibonacci = atoi(argv[1]);
+    f_fibonacci(fibonacci);
   }
   else
   {
-  	usage(argv[0]);
+    usage(argv[0]);
   }
 
 }

c/math/fraction2float/main.c

@@ -0,0 +1,83 @@
+/* This program calculates a float out of a fraction.
+   Copyright (C) 2012 Fabian Nedoluha <[email protected]>
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+long double fraction2float(int num, int denum)
+{
+  long double result;
+
+  result = (float)num/denum;
+  return(result);
+}
+
+int get_longest(int num, int denum)
+{
+  int longest,i;
+
+  for(i=1;num>10;i++)
+    {
+      num=num/10;
+    }
+  longest = i;
+  for(i=1;denum>10;i++)
+    {
+      denum=denum/10;
+    }
+  if(longest<i)
+    {
+      longest = i;
+    }
+  return(longest);
+}
+
+void print_fraction(int num, int denum, int count)
+{
+  int i;
+
+  printf("%i\n", num);
+  for(i=1;i<=count;i++)
+    {
+      printf("-");
+    }
+  printf("\n%i", denum);
+}
+
+void usage(char *program_name)
+{
+  printf("Usage: %s <numerator> <denominator>\n", program_name);
+  exit(1);
+}
+
+void main(int argc, char *argv[])
+{
+  if(argc == 3)
+    {
+      int num, denum;
+
+      num = atoi(argv[1]);
+      denum = atoi(argv[2]);
+      print_fraction(num, denum, get_longest(num, denum));
+      printf(" = %Lf\n", fraction2float(num, denum));
+      exit(0);
+    }
+  else
+    {
+      usage(argv[0]);
+    }
+}