apaam/mlpack
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Check for a 64-bit system where ARMA_64BIT_WORD is not enabled, and warn the

Browse Source 
user if that is the case.  MLPACK still works fine without ARMA_64BIT_WORD, but
it is not a bad idea to ensure size_t == uword (by defining ARMA_64BIT_WORD on
64-bit systems).
This commit is contained in:
Ryan Curtin
2012-11-15 21:07:13 +00:00
parent f783571481
commit b0a62a5eac
1 changed files with 22 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
CMakeLists.txt
+22
View File
@@ -58,6 +58,28 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/CMake")
find_package(Armadillo 2.4.0 REQUIRED)
# If Armadillo was compiled without ARMA_64BIT_WORD and we are on a 64-bit
# system (where size_t will be 64 bits), suggest to the user that they should
# compile Armadillo with 64-bit words.
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
# We are on a 64-bit system. Does Armadillo have ARMA_64BIT_WORD enabled?
file(READ "${ARMADILLO_INCLUDE_DIRS}/armadillo_bits/config.hpp" ARMA_CONFIG)
string(REGEX MATCH
"[\r\n][ ]*#define ARMA_64BIT_WORD"
ARMA_HAS_64BIT_WORD_PRE
"${ARMA_CONFIG}")
string(LENGTH "${ARMA_HAS_64BIT_WORD_PRE}" ARMA_HAS_64BIT_WORD)
if(ARMA_HAS_64BIT_WORD EQUAL 0)
message(WARNING "This is a 64-bit system, but Armadillo was compiled "
"without 64-bit index support. Consider recompiling Armadillo with "
"ARMA_64BIT_WORD to enable 64-bit indices (large matrix support). "
"MLPACK will still work without ARMA_64BIT_WORD defined, but will not "
"scale to matrices with more than 4 billion elements.")
endif(ARMA_HAS_64BIT_WORD EQUAL 0)
endif(CMAKE_SIZEOF_VOID_P EQUAL 8)
# On Windows, Armadillo should be using LAPACK and BLAS but we still need to
# link against it. We don't want to use the FindLAPACK or FindBLAS modules
# because then we are required to have a FORTRAN compiler (argh!) so we will try