adding test.c

test.c

 #define _CRT_SECURE_NO_WARNINGS
 #include "fx_s4716_double.h"
+#include "fx_s4716_longlong.h"
 
 extern void fx_to_double(fx_s4716 a);
 extern void double_to_fx(double a);
@@ -20,6 +21,17 @@ int main()
     int option;
     int quit = 0;
     printf("This is program to test fixed point arithmetic\n");
+    printf("   OPTION \n");
+    printf("1. double \n");
+    printf("2. longlong \n");
+    printf("0. quit \n\n");
+    
+    printf("Type option : ");
+    fflush(stdout);
+    scanf("%d", &option);
+    if (option == 0) return 0;
+    else if(option == 1)
+    {
         printf("   OPTION \n");
         printf("0. add \n");
         printf("1. subtract \n");
@@ -96,9 +108,44 @@ int main()
                 break;
             }
             if (quit == 1) {
-            printf("Quit the program");
+                printf("Quit the program\n");
                 break;
             }
         }
+    }
+    else if(option == 2)
+    {
+        // temp before making c file
+        long long t, tt, ttt;
+
+        printf("   OPTION \n");
+        printf("1. multiply \n");
+        printf("2. division \n");
+        printf("0. quit\n\n");
+        while (1) {
+            printf("Type option : ");
+            fflush(stdout);
+            scanf("%d", &option);
+            switch(option) {
+                case 0 : return 0;
+                case 1 : 
+                    printf("Input two number : "); fflush(stdout);
+                    scanf("%lld %lld", &a, &b);
+                    t = fx_s4716_longlong_mul(a,b);
+                    tt = fx_s4716_longlong_mul1(a,b);
+                    ttt = fx_s4716_longlong_mul2(a,b);
+                    printf("%lld %lld %lld\n", t, tt, ttt);
+                    break;
+                case 2 :
+                    printf("Input two number : "); fflush(stdout);
+                    scanf("%lld %lld", &a, &b);
+                    t = fx_s4716_longlong_div(a,b);
+                    tt = fx_s4716_longlong_div1(a,b);
+                    ttt = fx_s4716_longlong_div2(a,b);
+                    printf("%lld %lld %lld\n", t, tt, ttt);
+                    break;
+            }
+        }
+    }
     
 }
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