[Boost-commit] svn:boost r4451

From: johnmaddock_at_[hidden]
Date: 2007-06-05 05:15:22

Author: johnmaddock
Date: 2007-06-05 05:15:22 EDT (Tue, 05 Jun 2007)
New Revision: 4451
URL: http://svn.boost.org/trac/boost/changeset/4451

Log:
Bug fix: fancy logic only works for arguments > 1, just use straight sin/cos evaluation for small args.

Text files modified: 
   sandbox/math_toolkit/boost/math/special_functions/cos_pi.hpp |     2 ++                                      
   sandbox/math_toolkit/boost/math/special_functions/sin_pi.hpp |     2 ++                                      
   2 files changed, 4 insertions(+), 0 deletions(-)

Modified: sandbox/math_toolkit/boost/math/special_functions/cos_pi.hpp
==============================================================================
--- sandbox/math_toolkit/boost/math/special_functions/cos_pi.hpp	(original)
+++ sandbox/math_toolkit/boost/math/special_functions/cos_pi.hpp	2007-06-05 05:15:22 EDT (Tue, 05 Jun 2007)
@@ -17,6 +17,8 @@
    using namespace std; // ADL of std names
    // cos of pi*x:
    bool invert = false;
+   if(x < 0.5)
+      return cos(constants::pi<T>() * x);
    if(x < 1)
    {
       x = -x;

Modified: sandbox/math_toolkit/boost/math/special_functions/sin_pi.hpp
==============================================================================
--- sandbox/math_toolkit/boost/math/special_functions/sin_pi.hpp	(original)
+++ sandbox/math_toolkit/boost/math/special_functions/sin_pi.hpp	2007-06-05 05:15:22 EDT (Tue, 05 Jun 2007)
@@ -17,6 +17,8 @@
    using namespace std; // ADL of std names
    // sin of pi*x:
    bool invert;
+   if(x < 0.5)
+      return sin(constants::pi<T>() * x);
    if(x < 1)
    {
       invert = true;