[Boost-commit] svn:boost r66451 - trunk/libs/math/test

Subject: [Boost-commit] svn:boost r66451 - trunk/libs/math/test
From: john_at_[hidden]
Date: 2010-11-08 07:55:13

Author: johnmaddock
Date: 2010-11-08 07:55:06 EST (Mon, 08 Nov 2010)
New Revision: 66451
URL: http://svn.boost.org/trac/boost/changeset/66451

Log:
Fix tests that fail with gcc in C++0x mode.
Add some stricter tests for fp-classification routines.
Text files modified: 
   trunk/libs/math/test/test_classify.cpp  |     8 ++++++++                                
   trunk/libs/math/test/test_lognormal.cpp |     4 +++-                                    
   trunk/libs/math/test/test_normal.cpp    |     4 +++-                                    
   trunk/libs/math/test/test_sign.cpp      |    39 +++++++++++++++++++++++++++++++++++++++ 
   trunk/libs/math/test/test_weibull.cpp   |     4 +++-                                    
   5 files changed, 56 insertions(+), 3 deletions(-)

Modified: trunk/libs/math/test/test_classify.cpp
==============================================================================
--- trunk/libs/math/test/test_classify.cpp	(original)
+++ trunk/libs/math/test/test_classify.cpp	2010-11-08 07:55:06 EST (Mon, 08 Nov 2010)
@@ -74,6 +74,14 @@
       t = (std::numeric_limits<T>::max)();
       BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_NORMAL);
       BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_NORMAL);
+      BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), true);
+      BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), true);
+      BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
+      BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
+      BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
+      BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
+      BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), true);
+      BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), true);
       t = (std::numeric_limits<T>::min)();
       BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_NORMAL);
       BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_NORMAL);

Modified: trunk/libs/math/test/test_lognormal.cpp
==============================================================================
--- trunk/libs/math/test/test_lognormal.cpp	(original)
+++ trunk/libs/math/test/test_lognormal.cpp	2010-11-08 07:55:06 EST (Mon, 08 Nov 2010)
@@ -179,7 +179,9 @@
    cout << "Tolerance for type " << typeid(RealType).name()  << " is " << tolerance << " %" << endl;
    lognormal_distribution<RealType> dist(8, 3);
    RealType x = static_cast<RealType>(0.125);
-   using namespace std; // ADL of std names.
+
+   BOOST_MATH_STD_USING // ADL of std math lib names.
+
    // mean:
    BOOST_CHECK_CLOSE(
       mean(dist)

Modified: trunk/libs/math/test/test_normal.cpp
==============================================================================
--- trunk/libs/math/test/test_normal.cpp	(original)
+++ trunk/libs/math/test/test_normal.cpp	2010-11-08 07:55:06 EST (Mon, 08 Nov 2010)
@@ -214,7 +214,9 @@
     RealType tol2 = boost::math::tools::epsilon<RealType>() * 5;
     normal_distribution<RealType> dist(8, 3);
     RealType x = static_cast<RealType>(0.125);
-    using namespace std; // ADL of std names.
+
+    BOOST_MATH_STD_USING // ADL of std math lib names
+
     // mean:
     BOOST_CHECK_CLOSE(
        mean(dist)

Modified: trunk/libs/math/test/test_sign.cpp
==============================================================================
--- trunk/libs/math/test/test_sign.cpp	(original)
+++ trunk/libs/math/test/test_sign.cpp	2010-11-08 07:55:06 EST (Mon, 08 Nov 2010)
@@ -77,6 +77,45 @@
       BOOST_CHECK_EQUAL((boost::math::copysign)(c, a), RealType(-1));
    }
 #endif
+   //
+   // Try some extreme values:
+   //
+   a = boost::math::tools::min_value<RealType>();
+   b = -a;
+   c = -1;
+   BOOST_CHECK((boost::math::signbit)(a) == 0);
+   BOOST_CHECK_EQUAL((boost::math::sign)(a), 1);
+   BOOST_CHECK_EQUAL((boost::math::copysign)(c, a), RealType(1));
+   BOOST_CHECK((boost::math::signbit)(b) != 0);
+   BOOST_CHECK_EQUAL((boost::math::sign)(b), -1);
+   c = 1;
+   BOOST_CHECK_EQUAL((boost::math::copysign)(c, b), RealType(-1));
+   //
+   // try denormalised values:
+   //
+   a /= 4;
+   if(a != 0)
+   {
+      b = -a;
+      c = -1;
+      BOOST_CHECK((boost::math::signbit)(a) == 0);
+      BOOST_CHECK_EQUAL((boost::math::sign)(a), 1);
+      BOOST_CHECK_EQUAL((boost::math::copysign)(c, a), RealType(1));
+      BOOST_CHECK((boost::math::signbit)(b) != 0);
+      BOOST_CHECK_EQUAL((boost::math::sign)(b), -1);
+      c = 1;
+      BOOST_CHECK_EQUAL((boost::math::copysign)(c, b), RealType(-1));
+   }
+   a = boost::math::tools::max_value<RealType>() / 2;
+   b = -a;
+   c = -1;
+   BOOST_CHECK((boost::math::signbit)(a) == 0);
+   BOOST_CHECK_EQUAL((boost::math::sign)(a), 1);
+   BOOST_CHECK_EQUAL((boost::math::copysign)(c, a), RealType(1));
+   BOOST_CHECK((boost::math::signbit)(b) != 0);
+   BOOST_CHECK_EQUAL((boost::math::sign)(b), -1);
+   c = 1;
+   BOOST_CHECK_EQUAL((boost::math::copysign)(c, b), RealType(-1));
 }
 
 

Modified: trunk/libs/math/test/test_weibull.cpp
==============================================================================
--- trunk/libs/math/test/test_weibull.cpp	(original)
+++ trunk/libs/math/test/test_weibull.cpp	2010-11-08 07:55:06 EST (Mon, 08 Nov 2010)
@@ -254,7 +254,9 @@
    cout << "Tolerance for type " << typeid(RealType).name()  << " is " << tolerance << " %" << endl;
    weibull_distribution<RealType> dist(2, 3);
    RealType x = static_cast<RealType>(0.125);
-   using namespace std; // ADL of std names.
+
+   BOOST_MATH_STD_USING // ADL of std lib math functions
+
    // mean:
    BOOST_CHECK_CLOSE(
       mean(dist)