Changes in src/examples/sum.c [6e7e2b36:843054c2]

File:

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

src/examples/sum.c

@@ -1 @@
-//
-// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
-//
-// The contents of this file are covered under the licence agreement in the
-// file "LICENCE" distributed with Cforall.
-//
-// sum.c -- 
-//
-// Author           : Richard C. Bilson
-// 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
-//
-
 extern "C" {
-        int printf( const char *, ... );
+    int printf( const char *, ... );
 }
 
 context sumable( type T ) {
-        const T 0;
-        T ?+?( T, T );
-        T ?++( T * );
-        T ?+=?( T *, T );
+    const T 0;
+    T ?+?( T, T );
+    T ?++( T * );
+    T ?+=?( T *, T );
 };
 
 forall( type T | sumable( T ) )
 T sum( int n, T a[] ) {
-        T total;                                                                                        // instantiate T, select 0
-        total = 0;
-        for ( int i = 0; i < n; i += 1 )
-                total = total + a[i];                                                   // select +
-        return total;
+    T total;                            // instantiate T, select 0
+    total = 0;
+    for ( int i = 0; i < n; i += 1 )
+        total = total + a[i];           // select +
+    return total;
 }
 
@@ -42 +27 @@
 
 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;
-        }
-        printf( "sum from %d to %d is %d, check %d\n",
-                        low, High, sum( size, ai ), si );
+    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 c = sum( size, ci );
-//      float fi[size];
-//      float f = sum( size, fi );
+//    char ci[10];
+//    char c = sum( size, ci );
+//    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;
-        }
-        printf( "sum from %g to %g is %g, check %g\n",
-                        low / 10.0, High / 10.0, sum( size, ad ), sd );
+    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 / (double)size, High / (double)size, sum( size, ad ), sd );
 }
 
 // Local Variables: //
-// tab-width: 4 //
-// compile-command: "cfa sum.c" //
+// compile-command: "../../bin/cfa sum.c" //
 // End: //