From da670c577addeb5befe36f36d6ebf392116d8986 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Sat, 7 Jan 2006 11:28:37 +0000
Subject: [PATCH] Check for infinity before using it.

[SVN r32254]
---
 test/log1p_expm1_test.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/test/log1p_expm1_test.cpp b/test/log1p_expm1_test.cpp
index 343df3aab..9c3e23d6d 100644
--- a/test/log1p_expm1_test.cpp
+++ b/test/log1p_expm1_test.cpp
@@ -559,10 +559,13 @@ void test(T)
    static const T m_one = -1;
    BOOST_CHECK_EQUAL(boost::math::log1p(zero), zero);
    BOOST_CHECK_EQUAL(boost::math::log1p(-zero), zero);
-   BOOST_CHECK_EQUAL(boost::math::log1p(m_one), -std::numeric_limits<T>::infinity());
    BOOST_CHECK_EQUAL(boost::math::expm1(zero), zero);
-   BOOST_CHECK_EQUAL(boost::math::expm1(-std::numeric_limits<T>::infinity()), m_one);
-   BOOST_CHECK_EQUAL(boost::math::expm1(std::numeric_limits<T>::infinity()), std::numeric_limits<T>::infinity());
+   if(std::numeric_limits<T>::has_infinity)
+   {
+      BOOST_CHECK_EQUAL(boost::math::log1p(m_one), -std::numeric_limits<T>::infinity());
+      BOOST_CHECK_EQUAL(boost::math::expm1(-std::numeric_limits<T>::infinity()), m_one);
+      BOOST_CHECK_EQUAL(boost::math::expm1(std::numeric_limits<T>::infinity()), std::numeric_limits<T>::infinity());
+   }
 }