added make_silly

README.md

@@ -11,8 +11,8 @@ Don't. The makefile only includes a test target, because I want to test my code.
 
 ```c
 silly silly_zeros(); // creates a fixed point value of zero
-
 silly make_silly(short, int, int); // make a silly number from the triple (negative?, before decimal, after)
+
 double silly_to_double(silly); // convert a silly number into a double
 
 silly silly_add(silly, silly); // addition

silly.c

@@ -88,3 +88,11 @@ char* silly_to_string(silly s) {
 double silly_to_double(silly s) {
   return ((double)s.before + ((double)s.after)/(double)0xffffffff) * (s.sign ? -1 : 1);
 }
+
+silly make_silly(short sign, int before, int after) {
+  silly s;
+  s.sign = sign;
+  s.before = before;
+  s.after = after;
+  return s;
+}

silly.h

@@ -9,6 +9,7 @@ typedef struct {
 } silly;
 
 silly silly_zeros();
+silly make_silly(short, int, int);
 
 silly silly_add(silly, silly);
 silly silly_sub(silly, silly);