Initial commit

Chapter2/Section2/bool.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+int main()
+{
+    bool a = false;
+    printf("a = %d\n", a);
+    exit(0);
+}

Chapter2/Section2/float.c

@@ -0,0 +1,10 @@
+int func(float f)
+{
+    if (f < 0)
+        return -1;
+    // else if (f == 0)
+    else if (fabs(f - 0) <= 1e-6)
+        return 0;
+    else
+        return 1;
+}