Update skeleton

examples/c/float.c

@@ -0,0 +1,35 @@
+double custom_abs(double a) {
+    return a < 0 ? -a : a;
+}
+
+double custom_max(double a, double b) {
+    return a > b ? a : b;
+}
+
+int is_close(double a, double b, double rel_tol, double abs_tol) {
+    return custom_abs(a - b) <= custom_max(rel_tol * custom_max(custom_abs(a), custom_abs(b)), abs_tol);
+}
+
+double average(int len, int a[10]) {
+    int sum = 0;
+    int i;
+
+    for(i = 0; i < len; i++) {
+        sum += a[i];
+    }
+
+    return (double) sum / len;
+}
+
+int main() {
+    int a[10];
+    int len = 10;
+    
+    for (int i = 0; i < len; i++) {
+        a[i] = i;
+    }
+
+    float avg = average(len, a);
+    
+    return is_close(avg, 4.5, 1e-09, 0.1);
+}

examples/c/float2_gen.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+
+"""Make c program which uses floating point variables
+
+To make c program, execute `python3 float_gen.py > file_name.c`
+"""
+
+import random
+
+def random_operator():
+    ops = ["+", "-", "*", "/"]
+    return ops[random.randint(0, len(ops) - 1)]
+
+def random_dtype():
+    dtypes = ["float", "double"]
+    return dtypes[random.randint(0, len(dtypes) - 1)]
+
+def random_suffix():
+    suffixes = ["f", ""]
+    return suffixes[random.randint(0, len(suffixes) - 1)]
+
+def make_expr(vars):
+    if len(vars) == 1:
+        return vars[0]
+    else:
+        var = vars.pop()
+        return "(" + var + " " + random_operator() + " " + make_expr(vars) + ")"
+
+def make_func(i):
+    """Make a function that contains a conditional expression
+    """
+    func_signature = random_dtype() + " func_" + str(i) + "()"
+    variables = "abcdefghijklmnopqrstuvwxyzA"
+    func_inner = []
+    val_bitmap = []
+
+    # Variable initializiation
+    for var in variables:
+        val = random.gauss(0, 1)
+        val_bitmap.append(val)
+        decl = "\t" + random_dtype() + " " + var + " = " + str(val) + random_suffix() + ";"
+        func_inner.append(decl)
+
+    func_inner.append("\treturn " + make_expr(list(variables)) + ";")
+
+    return "\n".join([func_signature, "{"] + func_inner + ["}"])
+
+if __name__ == "__main__":
+    src = ""
+    return_stmt = "\treturn (int)("
+    NUM_FUNC = 100
+    for i in range(NUM_FUNC):
+        src += make_func(i)
+        src += "\n\n"
+        return_stmt += "func_" + str(i) + "()"
+        return_stmt += " " + random_operator() + " " if i != (NUM_FUNC - 1) else ");"
+    src += "int main()\n{\n" + return_stmt + "\n}\n"
+
+    print(src)

examples/c/temp2.c

@@ -1,22 +1,23 @@
 struct color { int number; char name; };
 
-int f(int i, int const a[i]) {
+int main() {
   int temp = 0;
-  const float temp2 = 0.f, temp3 = 0.f;
-  temp = sizeof(unsigned char);
-  temp = _Alignof(unsigned char);
+  temp += sizeof(unsigned char);
+  temp += _Alignof(unsigned char);
 
-  struct color c;
-  c.name;
+  struct color c = {1, 2};
+  temp += c.name;
   struct color *cp = &c;
-  cp->name;
+  temp += cp->name;
 
   for(int i = 0, j = 0; i < 10; ++i) {
-    break;
+    if ( i == 2 && j == 0) break;
+    temp += i;
   }
 
   switch(temp) {
     case 1: {
+      temp = 0;
       break;
     }
     default: {