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Subject: [Boost-commit] svn:boost r71383 - in branches/release: . boost boost/algorithm/string boost/archive boost/bimap boost/config boost/date_time boost/date_time/posix_time boost/detail boost/filesystem boost/function boost/functional boost/functional/hash boost/fusion boost/fusion/container/list/detail boost/geometry boost/geometry/algorithms boost/geometry/arithmetic boost/geometry/core boost/geometry/domains boost/geometry/geometries boost/geometry/iterators boost/geometry/multi boost/geometry/policies boost/geometry/ranges boost/geometry/strategies boost/geometry/util boost/geometry/views boost/gil boost/graph boost/icl boost/integer boost/interprocess boost/intrusive boost/io boost/iostreams boost/iterator boost/math boost/msm boost/numeric/ublas boost/pool boost/program_options boost/program_options/detail boost/property_tree boost/range boost/regex boost/serialization boost/signals boost/signals2 boost/spirit boost/spirit/home boost/spirit/home/karma boost/spirit/home/support boost/statechart boost/system boost/thread boost/tr1 boost/type_traits boost/typeof boost/units boost/units/systems/angle boost/units/systems/si boost/units/systems/temperature boost/unordered boost/utility boost/uuid boost/variant boost/wave doc libs libs/algorithm/string libs/array libs/array/test libs/bimap libs/config libs/date_time libs/date_time/data libs/date_time/example/gregorian libs/date_time/example/local_time libs/date_time/example/posix_time libs/date_time/example/tutorial libs/date_time/test/posix_time libs/date_time/xmldoc libs/detail libs/filesystem libs/function libs/functional libs/functional/hash libs/fusion libs/geometry libs/geometry/doc libs/geometry/doc/concept libs/geometry/doc/doxy libs/geometry/doc/generated libs/geometry/doc/html libs/geometry/doc/reference libs/geometry/doc/src libs/geometry/example libs/geometry/test libs/graph/doc libs/graph_parallel libs/icl libs/icl/doc libs/icl/doc/html libs/icl/doc/html/header/boost/icl libs/icl/test libs/icl/test/test_doc_code_ libs/integer libs/interprocess libs/intrusive libs/io libs/io/doc libs/iostreams libs/iterator libs/math libs/math/doc/sf_and_dist libs/math/doc/sf_and_dist/html/math_toolkit/main_overview libs/mpi/build libs/mpl/doc/refmanual libs/mpl/doc/src/refmanual libs/msm libs/numeric/ublas libs/numeric/ublas/doc libs/parameter/doc/html libs/phoenix/doc libs/phoenix/doc/examples libs/pool libs/program_options libs/program_options/test libs/property_tree libs/range libs/regex libs/serialization libs/serialization/doc libs/serialization/example libs/serialization/src libs/serialization/test libs/serialization/vc7ide libs/signals libs/signals2 libs/spirit libs/spirit/classic/example libs/spirit/doc libs/spirit/example libs/spirit/phoenix libs/spirit/test libs/spirit/test/qi libs/statechart libs/static_assert libs/system libs/thread libs/timer libs/tr1 libs/type_traits libs/type_traits/doc libs/typeof/doc libs/units/test libs/unordered libs/utility libs/utility/swap/test libs/uuid libs/wave more status tools tools/bcp tools/boostbook tools/build/v2 tools/inspect tools/quickbook tools/quickbook/doc tools/quickbook/src tools/quickbook/test tools/regression tools/regression/src tools/release tools/wave
From: steven_at_[hidden]
Date: 2011-04-19 17:14:34


Author: steven_watanabe
Date: 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
New Revision: 71383
URL: http://svn.boost.org/trac/boost/changeset/71383

Log:
Merge units from the trunk.
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Text files modified:
   branches/release/boost/units/base_dimension.hpp | 10 ++++
   branches/release/boost/units/base_unit.hpp | 10 ++++
   branches/release/boost/units/io.hpp | 81 +++++++++++++++++++++++++++++++++------
   branches/release/boost/units/systems/angle/degrees.hpp | 1
   branches/release/boost/units/systems/angle/gradians.hpp | 1
   branches/release/boost/units/systems/angle/revolutions.hpp | 1
   branches/release/boost/units/systems/si/area.hpp | 3 -
   branches/release/boost/units/systems/temperature/fahrenheit.hpp | 1
   branches/release/boost/units/unit.hpp | 2
   branches/release/libs/units/test/test_output.cpp | 8 +-
   branches/release/libs/units/test/test_trig.cpp | 1
   11 files changed, 93 insertions(+), 26 deletions(-)

Modified: branches/release/boost/units/base_dimension.hpp
==============================================================================
--- branches/release/boost/units/base_dimension.hpp (original)
+++ branches/release/boost/units/base_dimension.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -77,6 +77,16 @@
         typedef Derived type;
 
     private:
+ /// Check for C++0x. In C++0x, we have to have identical
+ /// arguments but a different return type to trigger an
+ /// error. Note that this is only needed for clang as
+ /// check_base_dimension will trigger an error earlier
+ /// for compilers with less strict name lookup.
+ /// INTERNAL ONLY
+ friend Derived*
+ check_double_register(const units::base_dimension_ordinal<N>&)
+ { return(0); }
+
         /// Register this ordinal
         /// INTERNAL ONLY
         friend detail::yes

Modified: branches/release/boost/units/base_unit.hpp
==============================================================================
--- branches/release/boost/units/base_unit.hpp (original)
+++ branches/release/boost/units/base_unit.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -98,6 +98,16 @@
 #endif
 
     private:
+ /// Check for C++0x. In C++0x, we have to have identical
+ /// arguments but a different return type to trigger an
+ /// error. Note that this is only needed for clang as
+ /// check_base_unit will trigger an error earlier
+ /// for compilers with less strict name lookup.
+ /// INTERNAL ONLY
+ friend Derived*
+ check_double_register(const units::base_unit_ordinal<N>&)
+ { return(0); }
+
         /// Register this ordinal
         /// INTERNAL ONLY
         friend detail::yes

Modified: branches/release/boost/units/io.hpp
==============================================================================
--- branches/release/boost/units/io.hpp (original)
+++ branches/release/boost/units/io.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -649,17 +649,55 @@
 
 // For automatically applying the appropriate prefixes.
 
+}
+
+#ifdef BOOST_UNITS_DOXYGEN
+
+/// ADL customization point for automatic prefixing.
+/// Returns a non-negative value. Implemented as std::abs
+/// for built-in types.
+template<class T>
+double autoprefix_norm(const T& arg);
+
+#else
+
+template<class T, bool C = boost::is_arithmetic<T>::value>
+struct autoprefix_norm_impl;
+
+template<class T>
+struct autoprefix_norm_impl<T, true>
+{
+ typedef double type;
+ static double call(const T& arg) { return std::abs(arg); }
+};
+
+template<class T>
+struct autoprefix_norm_impl<T, false>
+{
+ typedef one type;
+ static one call(const T&) { return one(); }
+};
+
+template<class T>
+typename autoprefix_norm_impl<T>::type autoprefix_norm(const T& arg)
+{
+ return autoprefix_norm_impl<T>::call(arg);
+}
+
+#endif
+
+namespace detail {
+
 template<class End, class Prev, class T, class F>
-bool find_matching_scale_impl(End, End, Prev, T, F)
+bool find_matching_scale_impl(End, End, Prev, T, double, F)
 {
     return false;
 }
 
 template<class Begin, class End, class Prev, class T, class F>
-bool find_matching_scale_impl(Begin, End end, Prev prev, T t, F f)
+bool find_matching_scale_impl(Begin, End end, Prev prev, T t, double x, F f)
 {
- using std::abs;
- if(Begin::item::value() > abs(t)) {
+ if(Begin::item::value() > x) {
         f(prev, t);
         return true;
     } else {
@@ -668,32 +706,32 @@
             end,
             typename Begin::item(),
             t,
+ x,
             f
         );
     }
 }
 
 template<class End, class T, class F>
-bool find_matching_scale_i(End, End, T, F)
+bool find_matching_scale_i(End, End, T, double, F)
 {
     return false;
 }
 
 template<class Begin, class End, class T, class F>
-bool find_matching_scale_i(Begin, End end, T t, F f)
+bool find_matching_scale_i(Begin, End end, T t, double x, F f)
 {
- using std::abs;
- if(Begin::item::value() > abs(t)) {
+ if(Begin::item::value() > x) {
         return false;
     } else {
- return detail::find_matching_scale_impl(typename Begin::next(), end, typename Begin::item(), t, f);
+ return detail::find_matching_scale_impl(typename Begin::next(), end, typename Begin::item(), t, x, f);
     }
 }
 
 template<class Scales, class T, class F>
-bool find_matching_scale(T t, F f)
+bool find_matching_scale(T t, double x, F f)
 {
- return detail::find_matching_scale_i(Scales(), dimensionless_type(), t, f);
+ return detail::find_matching_scale_i(Scales(), dimensionless_type(), t, x, f);
 }
 
 typedef list<scale<10, static_rational<-24> >,
@@ -814,7 +852,7 @@
 void do_print_prefixed_impl(std::basic_ostream<CharT, Traits>& os, const quantity<Unit, T>& q, F default_)
 {
     bool prefixed;
- if(detail::find_matching_scale<Prefixes>(q.value(), detail::print_scale(os, prefixed))) {
+ if(detail::find_matching_scale<Prefixes>(q.value(), autoprefix_norm(q.value()), detail::print_scale(os, prefixed))) {
         if(prefixed) {
             switch(units::get_format(os)) {
                 case symbol_fmt: do_print(os, maybe_parenthesize(Unit(), format_symbol_impl())); break;
@@ -923,6 +961,21 @@
     detail::print_default(os, q)();
 }
 
+template<class Prefixes, class CharT, class Traits, class Unit, class T>
+void maybe_print_prefixed(std::basic_ostream<CharT, Traits>& os, const quantity<Unit, T>& q, mpl::true_)
+{
+ detail::do_print_prefixed<Prefixes>(os, q);
+}
+
+template<class Prefixes, class CharT, class Traits, class Unit, class T>
+void maybe_print_prefixed(std::basic_ostream<CharT, Traits>& os, const quantity<Unit, T>& q, mpl::false_)
+{
+ detail::print_default(os, q)();
+}
+
+inline mpl::true_ test_norm(double) { return mpl::true_(); }
+inline mpl::false_ test_norm(one) { return mpl::false_(); }
+
 } // namespace detail
 
 template<class Dimension,class System>
@@ -994,11 +1047,11 @@
     }
     else if (units::get_autoprefix(os) == autoprefix_engineering)
     {
- detail::do_print_prefixed<detail::engineering_prefixes>(os, q);
+ detail::maybe_print_prefixed<detail::engineering_prefixes>(os, q, detail::test_norm(autoprefix_norm(q.value())));
     }
     else if (units::get_autoprefix(os) == autoprefix_binary)
     {
- detail::do_print_prefixed<detail::binary_prefixes>(os, q);
+ detail::maybe_print_prefixed<detail::binary_prefixes>(os, q, detail::test_norm(autoprefix_norm(q.value())));
     }
     else
     {

Modified: branches/release/boost/units/systems/angle/degrees.hpp
==============================================================================
--- branches/release/boost/units/systems/angle/degrees.hpp (original)
+++ branches/release/boost/units/systems/angle/degrees.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -14,7 +14,6 @@
 #include <boost/config/no_tr1/cmath.hpp>
 
 #include <boost/units/conversion.hpp>
-#include <boost/units/io.hpp>
 #include <boost/units/static_constant.hpp>
 #include <boost/units/unit.hpp>
 #include <boost/units/make_system.hpp>

Modified: branches/release/boost/units/systems/angle/gradians.hpp
==============================================================================
--- branches/release/boost/units/systems/angle/gradians.hpp (original)
+++ branches/release/boost/units/systems/angle/gradians.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -14,7 +14,6 @@
 #include <boost/config/no_tr1/cmath.hpp>
 
 #include <boost/units/conversion.hpp>
-#include <boost/units/io.hpp>
 #include <boost/units/quantity.hpp>
 #include <boost/units/static_constant.hpp>
 #include <boost/units/make_system.hpp>

Modified: branches/release/boost/units/systems/angle/revolutions.hpp
==============================================================================
--- branches/release/boost/units/systems/angle/revolutions.hpp (original)
+++ branches/release/boost/units/systems/angle/revolutions.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -14,7 +14,6 @@
 #include <boost/config/no_tr1/cmath.hpp>
 
 #include <boost/units/conversion.hpp>
-#include <boost/units/io.hpp>
 #include <boost/units/quantity.hpp>
 #include <boost/units/static_constant.hpp>
 #include <boost/units/make_system.hpp>

Modified: branches/release/boost/units/systems/si/area.hpp
==============================================================================
--- branches/release/boost/units/systems/si/area.hpp (original)
+++ branches/release/boost/units/systems/si/area.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -11,9 +11,6 @@
 #ifndef BOOST_UNITS_SI_AREA_HPP
 #define BOOST_UNITS_SI_AREA_HPP
 
-#include <iostream>
-#include <boost/units/io.hpp>
-
 #include <boost/units/systems/si/base.hpp>
 #include <boost/units/physical_dimensions/area.hpp>
 

Modified: branches/release/boost/units/systems/temperature/fahrenheit.hpp
==============================================================================
--- branches/release/boost/units/systems/temperature/fahrenheit.hpp (original)
+++ branches/release/boost/units/systems/temperature/fahrenheit.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -14,7 +14,6 @@
 #include <string>
 
 #include <boost/units/absolute.hpp>
-#include <boost/units/io.hpp>
 #include <boost/units/make_system.hpp>
 #include <boost/units/static_constant.hpp>
 #include <boost/units/base_units/temperature/fahrenheit.hpp>

Modified: branches/release/boost/units/unit.hpp
==============================================================================
--- branches/release/boost/units/unit.hpp (original)
+++ branches/release/boost/units/unit.hpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -46,7 +46,7 @@
         unit(const this_type&) { }
         //~unit() { }
        
- this_type& operator=(const this_type&) { }
+ this_type& operator=(const this_type&) { return *this; }
         
         // sun will ignore errors resulting from templates
         // instantiated in the return type of a function.

Modified: branches/release/libs/units/test/test_output.cpp
==============================================================================
--- branches/release/libs/units/test/test_output.cpp (original)
+++ branches/release/libs/units/test/test_output.cpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -313,10 +313,10 @@
     BOOST_UNITS_TEST_OUTPUT(std::numeric_limits<double>::max()*meter_base_unit::unit_type(), "1.79769e+308 meter");
     BOOST_UNITS_TEST_OUTPUT(std::numeric_limits<double>::min()*meter_base_unit::unit_type(), "2.22507e-308 meter");
    // Infinity and NaN
- BOOST_UNITS_TEST_OUTPUT_REGEX(std::numeric_limits<float>::infinity()*meter_base_unit::unit_type(), "(1\\.#INF|inf) meter");
- BOOST_UNITS_TEST_OUTPUT_REGEX(-std::numeric_limits<float>::infinity()*meter_base_unit::unit_type(), "-(1\\.#INF|inf) meter");
- BOOST_UNITS_TEST_OUTPUT_REGEX(std::numeric_limits<double>::quiet_NaN()*meter_base_unit::unit_type(), "(1\\.#QNAN|nan) meter");
- BOOST_UNITS_TEST_OUTPUT_REGEX(-std::numeric_limits<double>::quiet_NaN()*meter_base_unit::unit_type(), "-?(1\\.#IND|nan) meter");
+ BOOST_UNITS_TEST_OUTPUT_REGEX(std::numeric_limits<float>::infinity()*meter_base_unit::unit_type(), "(1\\.#INF|inf|INF) meter");
+ BOOST_UNITS_TEST_OUTPUT_REGEX(-std::numeric_limits<float>::infinity()*meter_base_unit::unit_type(), "-(1\\.#INF|inf|INF) meter");
+ BOOST_UNITS_TEST_OUTPUT_REGEX(std::numeric_limits<double>::quiet_NaN()*meter_base_unit::unit_type(), "(1\\.#QNAN|nan|NaNQ) meter");
+ BOOST_UNITS_TEST_OUTPUT_REGEX(-std::numeric_limits<double>::quiet_NaN()*meter_base_unit::unit_type(), "-?(1\\.#IND|nan|NaNQ) meter");
 
     BOOST_UNITS_TEST_OUTPUT(1.5*velocity(), "1.5 meter second^-1");
     BOOST_UNITS_TEST_OUTPUT(1.5*scaled_length(), "1.5 kilometer");

Modified: branches/release/libs/units/test/test_trig.cpp
==============================================================================
--- branches/release/libs/units/test/test_trig.cpp (original)
+++ branches/release/libs/units/test/test_trig.cpp 2011-04-19 17:14:32 EDT (Tue, 19 Apr 2011)
@@ -22,6 +22,7 @@
 
 #include <cmath>
 #include <boost/units/cmath.hpp>
+#include <boost/units/io.hpp>
 #include <boost/units/systems/si/plane_angle.hpp>
 #include <boost/units/systems/si/length.hpp>
 #include <boost/units/systems/si/dimensionless.hpp>


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