Changed print method and accurucy in ass5.

modsim/ass2/q5.c

@@ -4,7 +4,7 @@
 #include "func_ptr.h"
 #include "integral.h"
 
-#define DX 1e-3
+#define DX 1e-5
 
 double f1(double x) {
     return pow(M_E, -x);
@@ -15,7 +15,7 @@ double f2(double x) {
 }
 
 #define PRINT_INTEGRAL(func, method, a, b) (printf(#func " from " #a " to " \
-    #b " using %-19s %.11f\n", #method " method:", integral(&func, &method, a, b, DX)))
+    #b " using %-19s %.11e\n", #method " method:", integral(&func, &method, a, b, DX)))
 
 int main(void) {
     PRINT_INTEGRAL(f1, rectangle, 0, 1);