From 09829b6da4fa4fd25925430f579ca085ebf99aa4 Mon Sep 17 00:00:00 2001
From: Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
Date: Tue, 13 Apr 1999 15:49:17 +0000
Subject: [PATCH] - Tried workaround for MipsPro based on convert_from_to() and
   CGAL_CFG_NO_EXPLICIT_TEMPLATE_FUNCTION_ARGUMENT_SPECIFICATION.

---
 .../include/CGAL/Arithmetic_filter.h               |  9 +++++++++
 .../include/CGAL/Interval_arithmetic.h             | 14 ++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/Packages/Interval_arithmetic/include/CGAL/Arithmetic_filter.h b/Packages/Interval_arithmetic/include/CGAL/Arithmetic_filter.h
index 4f1eba0563a..240774391f3 100644
--- a/Packages/Interval_arithmetic/include/CGAL/Arithmetic_filter.h
+++ b/Packages/Interval_arithmetic/include/CGAL/Arithmetic_filter.h
@@ -86,9 +86,18 @@ struct Filtered_exact
 #ifdef CGAL_FILTER_USE_CACHE
   IA interval() const { return cache; }
 #else
+#ifndef CGAL_CFG_NO_EXPLICIT_TEMPLATE_FUNCTION_ARGUMENT_SPECIFICATION
   IA interval() const { return convert_to<IA>(value); }
+#else
+  IA interval() const { return convert_from_to(IA(), value); }
+#endif // CGAL_CFG_NO_EXPLICIT_TEMPLATE_FUNCTION_ARGUMENT_SPECIFICATION
 #endif
+
+#ifndef CGAL_CFG_NO_EXPLICIT_TEMPLATE_FUNCTION_ARGUMENT_SPECIFICATION
   ET exact()    const { return convert_to<ET>(value); }
+#else
+  ET exact()    const { return convert_from_to(ET(), value); }
+#endif // CGAL_CFG_NO_EXPLICIT_TEMPLATE_FUNCTION_ARGUMENT_SPECIFICATION
 
   // This one should not be needed, at least for now.
   // CT stored_value()   const { return value; }
diff --git a/Packages/Interval_arithmetic/include/CGAL/Interval_arithmetic.h b/Packages/Interval_arithmetic/include/CGAL/Interval_arithmetic.h
index d39f03fee6d..7f14cb07b6b 100644
--- a/Packages/Interval_arithmetic/include/CGAL/Interval_arithmetic.h
+++ b/Packages/Interval_arithmetic/include/CGAL/Interval_arithmetic.h
@@ -705,6 +705,19 @@ CGAL_END_NAMESPACE
 
 CGAL_BEGIN_NAMESPACE
 
+template <class FT>
+inline
+Interval_nt
+convert_from_to (const Interval_nt&, const FT & z)
+{
+    FPU_CW_t backup = FPU_get_cw();
+    FPU_set_cw(FPU_cw_up);
+    Interval_nt tmp(convert_from_to(Interval_nt_advanced(), z));
+    FPU_set_cw(backup);
+    return tmp;
+}
+
+#ifndef CGAL_CFG_NO_EXPLICIT_TEMPLATE_FUNCTION_ARGUMENT_SPECIFICATION
 template <class FT>
 inline
 Interval_nt
@@ -716,6 +729,7 @@ convert_to (const FT & z)
     FPU_set_cw(backup);
     return tmp;
 }
+#endif // CGAL_CFG_NO_EXPLICIT_TEMPLATE_FUNCTION_ARGUMENT_SPECIFICATION
 
 CGAL_END_NAMESPACE