1 files changed, 94 insertions, 0 deletions
diff --git a/src/boost/libs/math/test/test_expint_hooks.hpp b/src/boost/libs/math/test/test_expint_hooks.hpp
new file mode 100644
index 00000000..89b5fc89
--- /dev/null
+++ b/src/boost/libs/math/test/test_expint_hooks.hpp
@@ -0,0 +1,94 @@
+//  (C) Copyright John Maddock 2006.
+//  Use, modification and distribution are subject to 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)
+
+#ifndef BOOST_MATH_TEST_ZETA_OTHER_HOOKS_HPP
+#define BOOST_MATH_TEST_ZETA_OTHER_HOOKS_HPP
+
+
+#ifdef TEST_CEPHES
+namespace other{
+extern "C" {
+   double expn(int, double);
+   float expnf(int, float);
+   long double expnl(int, long double);
+}
+inline float expint(unsigned n, float a)
+{ return expnf(n, a); }
+inline double expint(unsigned n, double a)
+{ return expn(n, a); }
+inline long double expint(unsigned n, long double a)
+{
+#ifdef BOOST_MSVC
+   return expn(n, (double)a); 
+#else
+   return expnl(n, a); 
+#endif
+}
+// Ei is not supported:
+template <class T>
+inline T expint(T){ return 0; }
+}
+#define TEST_OTHER
+#endif
+
+#ifdef TEST_GSL
+#include <gsl/gsl_sf_expint.h>
+
+namespace other{
+inline float expint(float a)
+{ return (float)gsl_sf_expint_Ei(a); }
+inline double expint(double a)
+{ return gsl_sf_expint_Ei(a); }
+inline long double expint(long double a)
+{ return gsl_sf_expint_Ei(a); }
+// En is not supported:
+template <class T>
+inline T expint(unsigned, T){ return 0; }
+}
+#define TEST_OTHER
+#endif
+
+#ifdef TEST_SPECFUN
+namespace other{
+extern "C" int calcei_(double *arg, double *result, int*);
+inline float expint(float a)
+{ 
+   double r, a_(a);
+   int v = 1;
+   calcei_(&a_, &r, &v); 
+   return (float)r;
+}
+inline double expint(double a)
+{ 
+   double r, a_(a);
+   int v = 1;
+   calcei_(&a_, &r, &v); 
+   return r;
+}
+inline long double expint(long double a)
+{ 
+   double r, a_(a);
+   int v = 1;
+   calcei_(&a_, &r, &v); 
+   return r;
+}
+// En is not supported:
+template <class T>
+inline T expint(unsigned, T){ return 0; }
+}
+#define TEST_OTHER
+#endif
+
+#ifdef TEST_OTHER
+namespace other{
+   boost::math::concepts::real_concept expint(unsigned, boost::math::concepts::real_concept){ return 0; }
+   boost::math::concepts::real_concept expint(boost::math::concepts::real_concept){ return 0; }
+}
+#endif
+
+
+#endif
+
+