Changes in src/examples/sum.c [6e7e2b36:86bd7c1f]

File:

• src/examples/sum.c (modified) (2 diffs)

src/examples/sum.c

@@ -10 +10 @@
 // Created On       : Wed May 27 17:56:53 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Mon Jun  1 20:46:35 2015
-// Update Count     : 18
+// Last Modified On : Wed May 27 18:43:46 2015
+// Update Count     : 4
 //
 
@@ -42 +42 @@
 
 int main() {
-        const int low = 5, High = 15, size = High - low;
-        int si = 0, ai[size];
-        int v = low;
-        for ( int i = 0; i < size; i += 1, v += 1 ) {
-                si += v;
-                ai[i] = v;
+        const int size = 10, low = 0, High = 10;
+        int si = 0, ai[10]; // size
+        int i;
+        for ( i = low; i < High; i += 1 ) {
+                si += i;
+                ai[i] = i;
         }
         printf( "sum from %d to %d is %d, check %d\n",
                         low, High, sum( size, ai ), si );
 
-//      char ci[size];
+//      char ci[10];
 //      char c = sum( size, ci );
-//      float fi[size];
+//      float fi[10];
 //      float f = sum( size, fi );
 
-        double sd = 0.0, ad[size];
-        double v = low / 10.0;
-        for ( int i = 0; i < size; i += 1, v += 0.1 ) {
-                sd += v;
-                ad[i] = v;
+        double sd = 0.0, ad[10];                                                        // size
+        for ( i = low; i < High; i += 1 ) {
+                double d = i / (double)size;
+                sd += d;
+                ad[i] = d;
         }
         printf( "sum from %g to %g is %g, check %g\n",
-                        low / 10.0, High / 10.0, sum( size, ad ), sd );
+                        low / (double)size, High / (double)size, sum( size, ad ), sd );
 }