Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/boost/libs/math/test/almost_equal.ipp b/src/boost/libs/math/test/almost_equal.ipp
new file mode 100644
index 00000000..107ee65e
--- /dev/null
+++ b/src/boost/libs/math/test/almost_equal.ipp
@@ -0,0 +1,20 @@
+#ifndef BOOST_MATH_ALMOST_EQUAL_HPP
+#define BOOST_MATH_ALMOST_EQUAL_HPP
+
+// Copyright (c) 2006 Johan Rade
+
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <cmath>
+
+template<class ValType>
+bool almost_equal(ValType a, ValType b)
+{
+    const ValType e = static_cast<ValType>(0.00001);
+    return (a - e * std::abs(a) <= b + e * std::abs(b))
+        && (a + e * std::abs(a) >= b - e * std::abs(b));
+}
+
+#endif