[Boost-commit] svn:boost r74011 - sandbox/e_float/libs/e_float/src/e_float/efx

Subject: [Boost-commit] svn:boost r74011 - sandbox/e_float/libs/e_float/src/e_float/efx
From: e_float_at_[hidden]
Date: 2011-08-23 02:50:40

Author: christopher_kormanyos
Date: 2011-08-23 02:50:36 EDT (Tue, 23 Aug 2011)
New Revision: 74011
URL: http://svn.boost.org/trac/boost/changeset/74011

Log:
- Corrected value of "min". (But still struggling with equality of min with zero, etc.)
Text files modified: 
   sandbox/e_float/libs/e_float/src/e_float/efx/e_float_efx.cpp |    44 +++++++-------------------------------- 
   1 files changed, 8 insertions(+), 36 deletions(-)

Modified: sandbox/e_float/libs/e_float/src/e_float/efx/e_float_efx.cpp
==============================================================================
--- sandbox/e_float/libs/e_float/src/e_float/efx/e_float_efx.cpp	(original)
+++ sandbox/e_float/libs/e_float/src/e_float/efx/e_float_efx.cpp	2011-08-23 02:50:36 EDT (Tue, 23 Aug 2011)
@@ -1148,27 +1148,14 @@
 {
   if(fpclass == ef_finite)
   {
-    bool is_leq_std_min = false;
-
-    const bool could_be_leq_std_min = (exp <= static_cast<INT64>(std::numeric_limits<e_float>::min_exponent10));
-
-    if(could_be_leq_std_min)
+    if(exp < static_cast<INT64>(std::numeric_limits<e_float>::min_exponent10))
     {
-      if(exp < static_cast<INT64>(std::numeric_limits<e_float>::min_exponent10))
-      {
-        is_leq_std_min = true;
-      }
-      else
-      {
-        if(data[0u] == static_cast<UINT32>(1u))
-        {
-          const array_type::const_iterator it_non_zero = std::find_if(data.begin() + 1u, data.end(), data_elem_is_non_zero_predicate);
-          if(it_non_zero == data.end()) { is_leq_std_min = true; }
-        }
-      }
+      return true;
+    }
+    else
+    {
+      return (data[0u] == static_cast<UINT32>(0u));
     }
-
-    return ((data[0u] == static_cast<UINT32>(0u)) || is_leq_std_min);
   }
   else
   {
@@ -1843,24 +1830,9 @@
   }
 
   // ...and check for underflow.
-  if(exp <= std::numeric_limits<e_float>::min_exponent10)
+  if(exp < std::numeric_limits<e_float>::min_exponent10)
   {
-    if(exp == std::numeric_limits<e_float>::min_exponent10)
-    {
-      // Check for identity with the minimum value.
-      e_float test = *this;
-
-      test.exp = static_cast<INT64>(0);
-
-      if(test.isone())
-      {
-        *this = ef::zero();
-      }
-    }
-    else
-    {
-      *this = ef::zero();
-    }
+    *this = ef::zero();
   }
 
   return true;