Update Exercise 9

Exercises/Exercise09/C/pi.c

@@ -2,9 +2,9 @@
 
 This program will numerically compute the integral of
 
-                  4/(1+x*x) 
-				  
-from 0 to 1.  The value of this integral is pi -- which 
+                  4/(1+x*x)
+
+from 0 to 1.  The value of this integral is pi -- which
 is great since it gives us an easy way to check the answer.
 
 The is the original sequential program.  It uses the timer
@@ -38,4 +38,5 @@ int main ()
     pi = step * sum;
     run_time = wtime() - start_time;
     printf("\n pi with %ld steps is %lf in %lf seconds\n", num_steps, pi, run_time);
-}	  
+}
+

Exercises/Exercise09/Cpp/Makefile

@@ -3,7 +3,7 @@ ifndef CPPC
 	CPPC = g++
 endif
 
-CCFLAGS = -O3 -std=c++11 -lrt
+CCFLAGS = -O3 -lrt
 
 LIBS = -lm
 

Exercises/Exercise09/Cpp/pi.cpp

@@ -2,9 +2,9 @@
 
 This program will numerically compute the integral of
 
-                  4/(1+x*x) 
-				  
-from 0 to 1.  The value of this integral is pi -- which 
+                  4/(1+x*x)
+
+from 0 to 1.  The value of this integral is pi -- which
 is great since it gives us an easy way to check the answer.
 
 The is the original sequential program.  It uses the timer
@@ -41,4 +41,5 @@ int main ()
     pi = step * sum;
     double run_time = static_cast<double>(timer.getTimeMilliseconds()) / 1000.0;
     printf("\n pi with %ld steps is %lf in %lf seconds\n", num_steps, pi, run_time);
-}	  
+}
+

Exercises/Exercise09/Python/pi.py

@@ -1,9 +1,9 @@
 #
 # This program will numerically compute the integral of
 #
-#                4/(1+x*x) 
-#			  
-# from 0 to 1.  The value of this integral is pi -- which 
+#                4/(1+x*x)
+#
+# from 0 to 1.  The value of this integral is pi -- which
 # is great since it gives us an easy way to check the answer.
 #
 # This the original sequential program.
@@ -37,3 +37,4 @@
 run_time = time() - start_time;
 
 print "\npi with", num_steps, "steps is", pi, "in", run_time, "seconds\n"
+