this is a first fix for the domain error problem
Merge pull request #1 from urbach/master

some imporovements and R interface function
Merge pull request #2 from urbach/fixDomainError

Fix domain error
Algorithm mending...
double parameter for all pow(a,b)
Improving the output display
Mixed using of angle and radian.
produce correct warning message
Merge remote-tracking branch 'zhanlin/master' into upstream
handle error codes consistently
Add the TBC condition by changing the elements datatype of dVec from int to double.
Improve display on GitHub
Improve display on GitHub
Improve display on GitHub
merging conflicts resolved and function parameters mostly const now
Merge remote-tracking branch 'zhanlin/master' into upstream
Revert "Improve README display on GitHub"

This reverts commit 6153028fa25bb0faeda46425b99edda0f4cba7d0.
Merge pull request #3 from urbach/upstream

this will consistenly treat GSL error codes
dvec double precision vector instead of integer
more verbos error handling