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Justin Lebar 40d1e2f8c7 Eliminate mutual recursion in igamma{,c}_impl::Run. 
Presently, igammac_impl::Run calls igamma_impl::Run, which in turn calls
igammac_impl::Run.

This isn't actually mutual recursion; the calls are guarded such that we never
get into a loop.  Nonetheless, it's a stretch for clang to prove this.  As a
result, clang emits a recursive call in both igammac_impl::Run and
igamma_impl::Run.

That this is suboptimal code is bad enough, but it's particularly bad when
compiling for CUDA/nvptx.  nvptx allows recursion, but only begrudgingly: If
you have recursive calls in a kernel, it's on you to manually specify the
kernel's stack size.  Otherwise, ptxas will dump a warning, make a guess, and
who knows if it's right.

This change explicitly eliminates the mutual recursion in igammac_impl::Run and
igamma_impl::Run.
2016-04-28 13:57:08 -07:00
bench Use index list for the striding benchmarks 2016-04-21 11:58:27 -07:00
blas Implement stricter argument checking for SYRK and SY2K and real matrices. To implement the BLAS API they should return info=2 if op='C' is passed for a complex matrix. Without this change, the Eigen BLAS fails the strict zblat3 and cblat3 tests in LAPACK 3.5. 2016-04-27 19:59:44 +02:00
cmake Created the new EIGEN_TEST_CUDA_CLANG option to compile the CUDA tests using clang instead of nvcc 2016-04-08 13:16:08 -07:00
debug Make gdb pretty printer Python3-compatible (bug #800). 2014-04-28 14:10:22 +01:00
demos Fixed compilation error due to obsolete internal::abs and internal::sqrt function calls 2014-03-26 22:02:48 -04:00
doc Update doc regarding the genericity of EIGEN_USE_BLAS 2016-04-11 17:16:07 +02:00
Eigen Eliminate mutual recursion in igamma{,c}_impl::Run. 2016-04-28 13:57:08 -07:00
failtest Add unit tests for bug #981: valid and invalid usage of ternary operator 2015-09-09 11:38:25 +02:00
lapack Improve constness of level2 blas API. 2016-04-11 17:13:01 +02:00
scripts Use @CMAKE_MAKE_PROGRAM@ instead of make in buildtests.sh 2015-02-28 16:51:53 +01:00
test Fixed compilation error with clang. 2016-04-27 19:32:12 -07:00
unsupported Fix missing inclusion of Eigen/Core 2016-04-27 23:05:40 +02:00
.hgeol Added a pattern which forces LF line endings for *.sh files. 2013-07-31 18:20:58 +02:00
.hgignore Ignore automalically imported lapack source files 2014-10-17 15:34:39 +02:00
CMakeLists.txt Added an option to enable the use of the F16C instruction set 2016-04-21 10:30:29 -07:00
COPYING.BSD
COPYING.GPL
COPYING.LGPL Replace COPYING.LGPL by a copy of the LGPL 2.1 (instead of LGPL 3). 2012-09-10 13:27:44 -04:00
COPYING.MINPACK add COPYING.MINPACK 2012-07-15 11:46:22 -04:00
COPYING.MPL2 add COPYING.MPL2 2012-07-15 10:20:59 -04:00
COPYING.README Replace COPYING.LGPL by a copy of the LGPL 2.1 (instead of LGPL 3). 2012-09-10 13:27:44 -04:00
CTestConfig.cmake swap 3.2 <-> default CTestConfig.cmake file 2014-03-05 10:07:44 +01:00
CTestCustom.cmake.in Reduce maximum number of warnings/errors. (they took GBs even for limited period of time) 2013-06-20 17:39:15 +02:00
eigen3.pc.in Further fixes for CMAKE_INSTALL_PREFIX correctness 2015-11-07 21:29:24 -05:00
INSTALL finally, the right fix: set CTEST_BUILD_TARGET. 2009-10-04 20:27:44 -04:00
README.md Reverted the README 2015-02-27 13:09:49 -08:00
signature_of_eigen3_matrix_library

README.md

Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.

For more information go to http://eigen.tuxfamily.org/.