[Assorted-commits] SF.net SVN: assorted: [441] sandbox/trunk/src/c/casts.c

[<yan...@us...>]

Revision: 441
          http://assorted.svn.sourceforge.net/assorted/?rev=441&view=rev
Author:   yangzhang
Date:     2008-02-14 18:46:25 -0800 (Thu, 14 Feb 2008)

Log Message:
-----------
added to cast test

Modified Paths:
--------------
    sandbox/trunk/src/c/casts.c

Modified: sandbox/trunk/src/c/casts.c
===================================================================
--- sandbox/trunk/src/c/casts.c	2008-02-15 02:45:03 UTC (rev 440)
+++ sandbox/trunk/src/c/casts.c	2008-02-15 02:46:25 UTC (rev 441)
@@ -1,9 +1,22 @@
 #include <stdio.h>
 
 int main() {
-	float x = 1.5;
-	float y = 2.5;
-	float f = (int) x + y;
-	printf("%f", f);
-	return 0;
+  {
+    float x = 1.5;
+    float y = 2.5;
+    // The cast has higher precedence than the +, so it casts just x rather than
+    // sum.
+    float f = (int) x + y;
+    printf("%f\n", f);
+  }
+
+  {
+    // Don't remember what I was looking for here, but the results seem
+    // straightforward.
+    unsigned char c = 0xff; // 255
+    unsigned short s = (unsigned short) ((c >> 0) & 0xffU) * 8; // 2040
+    printf("%d\n", s);      // 2040
+  }
+
+  return 0;
 }


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