--- /dev/null
+/* -*- C++ -*- ------------------------------------------------------------
+
+Copyright (c) 2007 Jesse Anders and Demian Nave http://cmldev.net/
+
+The Configurable Math Library (CML) is distributed under the terms of the
+Boost Software License, v1.0 (see cml/LICENSE for details).
+
+ *-----------------------------------------------------------------------*/
+/** @file
+ * @brief Vector class operators.
+ */
+
+#ifndef vector_class_ops_h
+#define vector_class_ops_h
+
+#if defined(_MSC_VER) && _MSC_VER < 1400
+#pragma warning(disable:4003)
+// XXX Horrible hack to turn off warnings about "not enough actual params"
+// for the macros below.
+#endif
+
+/* XXX HACK!!! This is a hack to resize in the assign() functions only when
+ * auto resizing is turned off.
+ */
+#if !defined(CML_VECTOR_RESIZE_ON_ASSIGNMENT)
+#define _DO_VECTOR_SET_RESIZE(_N_) cml::et::detail::Resize(*this,_N_)
+#else
+#define _DO_VECTOR_SET_RESIZE(_N_)
+#endif
+
+/** Set a vector from 2 values. */
+#define CML_ASSIGN_VEC_2 \
+vector_type& \
+set(ELEMENT_ARG_TYPE e0, ELEMENT_ARG_TYPE e1) { \
+ _DO_VECTOR_SET_RESIZE(2); \
+ /* This is overkill, but simplifies size checking: */ \
+ value_type v[] = {e0,e1}; \
+ typedef et::OpAssign<Element,Element> OpT; \
+ cml::vector< const value_type, external<2> > src(v); \
+ et::UnrollAssignment<OpT>(*this,src); \
+ return *this; \
+}
+
+/** Set a vector from 3 values. */
+#define CML_ASSIGN_VEC_3 \
+vector_type& \
+set( \
+ ELEMENT_ARG_TYPE e0, \
+ ELEMENT_ARG_TYPE e1, \
+ ELEMENT_ARG_TYPE e2 \
+ ) \
+{ \
+ _DO_VECTOR_SET_RESIZE(3); \
+ /* This is overkill, but simplifies size checking: */ \
+ value_type v[] = {e0,e1,e2}; \
+ typedef et::OpAssign<Element,Element> OpT; \
+ cml::vector< const value_type, external<3> > src(v); \
+ et::UnrollAssignment<OpT>(*this,src); \
+ return *this; \
+}
+
+/** Create a vector from 4 values. */
+#define CML_ASSIGN_VEC_4 \
+vector_type& \
+set( \
+ ELEMENT_ARG_TYPE e0, \
+ ELEMENT_ARG_TYPE e1, \
+ ELEMENT_ARG_TYPE e2, \
+ ELEMENT_ARG_TYPE e3 \
+ ) \
+{ \
+ _DO_VECTOR_SET_RESIZE(4); \
+ /* This is overkill, but simplifies size checking: */ \
+ value_type v[] = {e0,e1,e2,e3}; \
+ typedef et::OpAssign<Element,Element> OpT; \
+ cml::vector< const value_type, external<4> > src(v); \
+ et::UnrollAssignment<OpT>(*this,src); \
+ return *this; \
+}
+
+
+/** Create a vector from 2 values. */
+#define CML_CONSTRUCT_VEC_2(_add_) \
+vector(ELEMENT_ARG_TYPE e0, ELEMENT_ARG_TYPE e1) _add_ { \
+ set(e0,e1); \
+}
+
+/** Create a vector from 3 values. */
+#define CML_CONSTRUCT_VEC_3(_add_) \
+vector( \
+ ELEMENT_ARG_TYPE e0, \
+ ELEMENT_ARG_TYPE e1, \
+ ELEMENT_ARG_TYPE e2 \
+ ) _add_ \
+{ \
+ set(e0,e1,e2); \
+}
+
+/** Create a vector from 4 values. */
+#define CML_CONSTRUCT_VEC_4(_add_) \
+vector( \
+ ELEMENT_ARG_TYPE e0, \
+ ELEMENT_ARG_TYPE e1, \
+ ELEMENT_ARG_TYPE e2, \
+ ELEMENT_ARG_TYPE e3 \
+ ) _add_ \
+{ \
+ set(e0,e1,e2,e3); \
+}
+
+/** Create a (fixed-size) N vector from an N-1-vector and a scalar. */
+#define CML_CONSTRUCT_FROM_SUBVEC(_add_) \
+vector( \
+ const subvector_type& s, \
+ ELEMENT_ARG_TYPE e \
+ ) _add_ \
+{ \
+ _DO_VECTOR_SET_RESIZE(s.size()+1); \
+ for(size_t i = 0; i < s.size(); ++ i) \
+ (*this)[i] = s[i]; \
+ (*this)[s.size()] = e; \
+}
+
+/** Copy-construct a vector from a fixed-size array of values. */
+#define CML_VEC_COPY_FROM_FIXED_ARRAY(_N_,_add_) \
+vector(const value_type v[_N_]) _add_ { \
+ typedef et::OpAssign<Element,Element> OpT; \
+ cml::vector< const value_type, external<_N_> > src(v); \
+ et::UnrollAssignment<OpT>(*this,src); \
+}
+
+/** Copy-construct a vector from a runtime-sized array of values. */
+#define CML_VEC_COPY_FROM_ARRAY(_add_) \
+vector(const value_type* const v, size_t N) _add_ { \
+ typedef et::OpAssign<Element,Element> OpT; \
+ cml::vector<const value_type, external<> > src(v,N); \
+ et::UnrollAssignment<OpT>(*this,src); \
+}
+
+/** Copy-construct a vector.
+ *
+ * @internal This is required for GCC4, since it won't elide the default
+ * copy constructor.
+ */
+#define CML_VEC_COPY_FROM_VECTYPE(_add_) \
+vector(const vector_type& v) _add_ { \
+ typedef et::OpAssign<Element,Element> OpT; \
+ et::UnrollAssignment<OpT>(*this,v); \
+}
+
+/** Construct from an arbitrary vector.
+ *
+ * @param v the vector to copy from.
+ */
+#define CML_VEC_COPY_FROM_VEC \
+template<typename E, class AT> \
+vector(const vector<E,AT>& m) { \
+ typedef et::OpAssign<Element,E> OpT; \
+ et::UnrollAssignment<OpT>(*this,m); \
+}
+
+/** Construct from a vector expression.
+ *
+ * @param expr the expression to copy from.
+ */
+#define CML_VEC_COPY_FROM_VECXPR \
+template<class XprT> \
+vector(VECXPR_ARG_TYPE e) { \
+ /* Verify that a promotion exists at compile time: */ \
+ typedef typename et::VectorPromote< \
+ vector_type, typename XprT::result_type>::type result_type; \
+ typedef typename XprT::value_type src_value_type; \
+ typedef et::OpAssign<Element,src_value_type> OpT; \
+ et::UnrollAssignment<OpT>(*this,e); \
+}
+
+/** Assign from the same vector type.
+ *
+ * @param v the vector to copy from.
+ */
+#define CML_VEC_ASSIGN_FROM_VECTYPE \
+vector_type& operator=(const vector_type& v) { \
+ typedef et::OpAssign<Element,Element> OpT; \
+ et::UnrollAssignment<OpT>(*this,v); \
+ return *this; \
+}
+
+/** Assign this vector from another using the given elementwise op.
+ *
+ * This allows assignment from arbitrary vector types.
+ *
+ * @param _op_ the operator (e.g. +=)
+ * @param _op_name_ the op functor (e.g. et::OpAssign)
+ */
+#define CML_VEC_ASSIGN_FROM_VEC(_op_, _op_name_) \
+template<typename E, class AT> vector_type& \
+operator _op_ (const cml::vector<E,AT>& m) { \
+ typedef _op_name_ <Element,E> OpT; \
+ cml::et::UnrollAssignment<OpT>(*this,m); \
+ return *this; \
+}
+
+/** Declare a function to assign this vector from a vector expression.
+ *
+ * @param _op_ the operator (e.g. +=)
+ * @param _op_name_ the op functor (e.g. et::OpAssign)
+ */
+#define CML_VEC_ASSIGN_FROM_VECXPR(_op_, _op_name_) \
+template<class XprT> vector_type& \
+operator _op_ (VECXPR_ARG_TYPE e) { \
+ /* Verify that a promotion exists at compile time: */ \
+ typedef typename et::VectorPromote< \
+ vector_type, typename XprT::result_type>::type result_type; \
+ typedef typename XprT::value_type src_value_type; \
+ typedef _op_name_ <Element,src_value_type> OpT; \
+ cml::et::UnrollAssignment<OpT>(*this,e); \
+ return *this; \
+}
+
+/** Declare a function to assign this vector from a scalar.
+ *
+ * @param _op_ the operator (e.g. *=)
+ * @param _op_name_ the op functor (e.g. et::OpAssign)
+ *
+ * @internal This shouldn't be used for ops, like +=, which aren't
+ * defined in vector algebra.
+ */
+#define CML_VEC_ASSIGN_FROM_SCALAR(_op_, _op_name_) \
+vector_type& operator _op_ (ELEMENT_ARG_TYPE s) { \
+ typedef _op_name_ <Element,Element> OpT; \
+ cml::et::UnrollAssignment<OpT>(*this,s); \
+ return *this; \
+}
+
+#endif
+
+// -------------------------------------------------------------------------
+// vim:ft=cpp
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