compare only compares result from c and c++, not an execution time

compare.cc

@@ -217,7 +217,7 @@ int main(int argc, char *argv[]) {
     long cpptime_nsec, best_cpp;
     long ctime_nsec, best_c;
     long cpptime_sec, ctime_sec;
-    long repeats = 209;
+    long repeats = 150;
     //HeapProfilerStart("heapprof");    
     do {
       clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time1);
@@ -229,20 +229,23 @@ int main(int argc, char *argv[]) {
       cpptime_nsec = diff(time1,time2).tv_nsec;
       cpptime_sec = diff(time1,time2).tv_sec;
       clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time1);
-      for (int i = 0; i<repeats; ++i) {      
-	nMie(L, x, m, nt, Theta, &Qext, &Qsca, &Qabs, &Qbk, &Qpr, &g, &Albedo, S1, S2);
-      }  
+      // for (int i = 0; i<repeats; ++i) {      
+      // 	nMie(L, x, m, nt, Theta, &Qext, &Qsca, &Qabs, &Qbk, &Qpr, &g, &Albedo, S1, S2);
+      // }  
       clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
       ctime_nsec = diff(time1,time2).tv_nsec;
       ctime_sec = diff(time1,time2).tv_sec;
-      if ( ctime_sec == 0 && cpptime_sec == 0) {
-	printf("-- total repeats: %ld\n", repeats);
-	printf("-- C++ time consumed %lg sec\n", (cpptime_nsec/1e9));
-	printf("-- C time consumed %lg sec\n", (ctime_nsec/1e9));
-	printf("-- C/C++ time ratio: %Lg\n", static_cast<long double>(ctime_nsec)/static_cast<long double>(cpptime_nsec));
-      } else {
-        printf("==Test is too long!\n");
-      }
+      long double ratio = static_cast<long double>(ctime_nsec)
+	/static_cast<long double>(cpptime_nsec);
+      printf("-- C++ time consumed %lg sec\n", (cpptime_nsec/1e9));
+      if ( ratio > 0.01 ) 
+	if ( ctime_sec == 0 && cpptime_sec == 0) {
+	  printf("-- C time consumed %lg sec\n", (ctime_nsec/1e9));
+	  printf("-- total repeats: %ld\n", repeats);
+	  printf("-- C/C++ time ratio: %Lg\n", ratio);
+	} else {
+	  printf("==Test is too long!\n");
+	}
       repeats *= 10;
     } while (cpptime_nsec < 1e8 && ctime_nsec < 1e8);