extreme refactoring

[chaz/yoink] / src / cml / et / scalar_promotions.h

diff --git a/src/cml/et/scalar_promotions.h b/src/cml/et/scalar_promotions.h
deleted file mode 100644 (file)
index 55d033c..0000000
--- a/src/cml/et/scalar_promotions.h
+++ /dev/null
@@ -1,120 +0,0 @@
-/* -*- 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
- */
-
-#ifndef scalar_promotions_h
-#define scalar_promotions_h
-
-#include <cml/core/cml_meta.h>
-
-namespace cml {
-namespace et {
-
-namespace detail {
-
-/** @class IntPromote
- *  @brief Helper template to int-promote a type.
- */
-template<class T> struct IntPromote
-{
-    /* Signed -> signed int, unsigned -> unsigned int: */
-    typedef typename select_switch<T,
-            unsigned char,                       unsigned int,
-            unsigned short,                      unsigned int,
-            signed char,                         int,
-            char,                                int,
-            short,                               int,
-            T,                                   T
-    >::result   result;
-};
-
-} // namespace detail
-
-/** @class ScalarPromote
- *  @brief Template for compile-time type promotion via C promotion rules.
- */
-template<class E1_in, class E2_in> struct ScalarPromote
-{
-
-    /* Integral-promote the types (if possible). */
-    typedef typename detail::IntPromote<E1_in>::result  E1;
-    typedef typename detail::IntPromote<E2_in>::result  E2;
-
-    /* If sizeof(long) == sizeof(unsigned int), promote to unsigned long.
-     * Otherwise, sizeof(long) > sizeof(int), so promote to long.
-     */
-    typedef typename select_if<sizeof(long) == sizeof(unsigned int),
-            unsigned long,
-            long
-    >::result   uint_promotion;
-
-    /* Do the selection on the promoted types: */
-    typedef typename select_switch<
-        type_pair<E1,E2>,
-
-#if defined(CML_USE_LONG_DOUBLE)
-        type_pair<long double,long double>,       long double,
-        type_pair<long double,E2>,                long double,
-        type_pair<E1,long double>,                long double,
-#endif
-
-        type_pair<double,double>,                 double,
-        type_pair<double,E2>,                     double,
-        type_pair<E1,double>,                     double,
-
-        type_pair<float,float>,                   float,
-        type_pair<float,E2>,                      float,
-        type_pair<E1,float>,                      float,
-
-        type_pair<E1,E2>,                         void
-
-    >::result   float_filter;
-
-    /* The promoted integral types really matter here: */
-    typedef typename select_switch<
-        type_pair<E1,E2>,
-
-        type_pair<unsigned long,unsigned long>,   unsigned long,
-        type_pair<unsigned long,E2>,              unsigned long,
-        type_pair<E1,unsigned long>,              unsigned long,
-
-        type_pair<long,long>,                     long,
-        type_pair<long,unsigned int>,             uint_promotion,
-        type_pair<unsigned int,long>,             uint_promotion,
-
-        type_pair<long,E2>,                       long,
-        type_pair<E1,long>,                       long,
-
-        type_pair<unsigned int,unsigned int>,     unsigned int,
-        type_pair<unsigned int,E2>,               unsigned int,
-        type_pair<E1,unsigned int>,               unsigned int,
-
-        type_pair<int,int>,                       int,
-        type_pair<int,E2>,                        int,
-        type_pair<E1,int>,                        int,
-
-        type_pair<E1,E2>,                         void
-
-    >::result   int_filter;
-
-    /* Deduce the final type: */
-    typedef typename select_if<
-        same_type<float_filter,void>::is_true,
-        int_filter, float_filter>::result         type;
-};
-
-} // namespace et
-} // namespace cml
-
-#endif
-
-// -------------------------------------------------------------------------
-// vim:ft=cpp