Added FROM_TO repetition macros.

[SVN r13364]

include/boost/preprocessor/repeat.hpp

@@ -13,7 +13,7 @@
  * See http://www.boost.org for most recent version.
  */
 
-/** <p>Repeats the macro <code>M(I,P)</code> for I = [0,N[.</p>
+/** <p>Repeats the macro <code>M(I,P)</code> for <code>I = [0,N[</code>.</p>
 
 <p>In other words, expands to the sequence:</p>
 

include/boost/preprocessor/repeat_from_to.hpp

@@ -0,0 +1,53 @@
+#ifndef BOOST_PREPROCESSOR_REPEAT_FROM_TO_HPP
+#define BOOST_PREPROCESSOR_REPEAT_FROM_TO_HPP
+
+/* Copyright (C) 2002
+ * Housemarque Oy
+ * http://www.housemarque.com
+ *
+ * Permission to copy, use, modify, sell and distribute this software is
+ * granted provided this copyright notice appears in all copies. This
+ * software is provided "as is" without express or implied warranty, and
+ * with no claim as to its suitability for any purpose.
+ *
+ * See http://www.boost.org for most recent version.
+ */
+
+#include <boost/preprocessor/repeat.hpp>
+#include <boost/preprocessor/arithmetic/sub.hpp>
+#include <boost/preprocessor/arithmetic/add.hpp>
+
+/** <p>Repeats the macro <code>M(I,P)</code> for <code>I = [S,E[</code>.</p>
+
+<p>In other words, expands to the sequence:</p>
+
+<pre>
+  M(S,P) M(BOOST_PP_INC(S),P) ... M(BOOST_PP_DEC(E),P)
+</pre>
+
+<p>For example,</p>
+
+<pre>
+  #define TEST(I,P) P(I);
+  BOOST_PP_REPEAT_FROM_TO(4,7,TEST,X)
+</pre>
+
+<p>expands to:</p>
+
+<pre>
+  X(4); X(5); X(6);
+</pre>
+
+<h3>Uses</h3>
+<ul>
+  <li>BOOST_PP_REPEAT()</li>
+</ul>
+
+<h3>Test</h3>
+<ul>
+  <li><a href="../../test/repeat_test.cpp">repeat_test.cpp</a></li>
+</ul>
+*/
+#define BOOST_PP_REPEAT_FROM_TO(S,E,M,P) BOOST_PP_REPEAT(BOOST_PP_SUB(E,S),BOOST_PP_REPEAT_FROM_TO_F,(S,M,P))
+#define BOOST_PP_REPEAT_FROM_TO_F(I,SMP) BOOST_PP_TUPLE_ELEM(3,1,SMP)(BOOST_PP_ADD(I,BOOST_PP_TUPLE_ELEM(3,0,SMP)),BOOST_PP_TUPLE_ELEM(3,2,SMP))
+#endif

include/boost/preprocessor/repeat_from_to_2nd.hpp

@@ -0,0 +1,23 @@
+#ifndef BOOST_PREPROCESSOR_REPEAT_FROM_TO_2ND_HPP
+#define BOOST_PREPROCESSOR_REPEAT_FROM_TO_2ND_HPP
+
+/* Copyright (C) 2002
+ * Housemarque Oy
+ * http://www.housemarque.com
+ *
+ * Permission to copy, use, modify, sell and distribute this software is
+ * granted provided this copyright notice appears in all copies. This
+ * software is provided "as is" without express or implied warranty, and
+ * with no claim as to its suitability for any purpose.
+ *
+ * See http://www.boost.org for most recent version.
+ */
+
+#include <boost/preprocessor/repeat_2nd.hpp>
+#include <boost/preprocessor/arithmetic/sub.hpp>
+#include <boost/preprocessor/arithmetic/add.hpp>
+
+/** <p>Same as BOOST_PP_REPEAT_FROM_TO(), but implemented independently.</p> */
+#define BOOST_PP_REPEAT_FROM_TO_2ND(S,E,M,P) BOOST_PP_REPEAT_2ND(BOOST_PP_SUB(E,S),BOOST_PP_REPEAT_FROM_TO_2ND_F,(S,M,P))
+#define BOOST_PP_REPEAT_FROM_TO_2ND_F(I,SMP) BOOST_PP_TUPLE_ELEM(3,1,SMP)(BOOST_PP_ADD(I,BOOST_PP_TUPLE_ELEM(3,0,SMP)),BOOST_PP_TUPLE_ELEM(3,2,SMP))
+#endif

include/boost/preprocessor/repeat_from_to_3rd.hpp

@@ -0,0 +1,23 @@
+#ifndef BOOST_PREPROCESSOR_REPEAT_FROM_TO_3RD_HPP
+#define BOOST_PREPROCESSOR_REPEAT_FROM_TO_3RD_HPP
+
+/* Copyright (C) 2002
+ * Housemarque Oy
+ * http://www.housemarque.com
+ *
+ * Permission to copy, use, modify, sell and distribute this software is
+ * granted provided this copyright notice appears in all copies. This
+ * software is provided "as is" without express or implied warranty, and
+ * with no claim as to its suitability for any purpose.
+ *
+ * See http://www.boost.org for most recent version.
+ */
+
+#include <boost/preprocessor/repeat_3rd.hpp>
+#include <boost/preprocessor/arithmetic/sub.hpp>
+#include <boost/preprocessor/arithmetic/add.hpp>
+
+/** <p>Same as BOOST_PP_REPEAT_FROM_TO(), but implemented independently.</p> */
+#define BOOST_PP_REPEAT_FROM_TO_3RD(S,E,M,P) BOOST_PP_REPEAT_3RD(BOOST_PP_SUB(E,S),BOOST_PP_REPEAT_FROM_TO_3RD_F,(S,M,P))
+#define BOOST_PP_REPEAT_FROM_TO_3RD_F(I,SMP) BOOST_PP_TUPLE_ELEM(3,1,SMP)(BOOST_PP_ADD(I,BOOST_PP_TUPLE_ELEM(3,0,SMP)),BOOST_PP_TUPLE_ELEM(3,2,SMP))
+#endif