This patch works around problems MSVC has with extern "C" declarations
inside namespace cln. As a result, it should work with MS 32-bit compiler
version 16.00.30319.01.
Thanks to Jan Rheinländer <jrheinlaender@gmx.de>.
When we extended immediate types on 64-bit platforms back for CLN
1.2.0, we broke the assumption that integers 2^53..2^55-1 are
bignums. This lead to segfaults when approximating a non-integer cl_RA
to double, as reported by Igor Khavkine <igor.kh@gmail.com>.
Recent GMP multiplication routines (mpn_mul) are somewhat faster than CLN's.
For huge operands, this is due to better tuned FFT. For medium-sized operands
it's due to more algorithms (Toom 3-way.) For small operands, I couldn't find
a difference. Let's just use mpn_mul if it's available.
For huge binsplit sums, this can half the runtimes, on amd64.
Automake adds all kinds of subdirectories to -I, the list of directories
to be searched for header files. However, CLN's header files are not
supposed to be included without the cln/ subdirectory, so adding
-Iinclude/cln can lead to conflicts with other header files. (The
problem at hand was a conflict between CLN's string.h and the C
library's string.h).
Use std::iostream functions instead of EOF and cl_EOF macros.
This enables us to get rid of the freadchar and funreadchar functions.
While at it, removed the extra signatures introduced for CLN-1.2.0
compatibilty. After all, the soname has been bumped.
Also updated largest known Mersenne prime in examples/perfnum.cc.
src/base/cl_version.cc: don't #include "cl_sysdep.h", so the version info
actually gets compiled into the library.
Due to the changes introduced in 7da4d3ae ("build: switch to ordinary auto*
tools system") including "cln/version.h" after "cl_config.h" is no-op (yes,
this is intended).
These benchmarks use internal CLN functions. Even worse -- they expect to
find these functions in the global namespace. Declare internal CLN functions
in the namespace cln.
Benefits:
1. If a header file gets modified, all dependent stuff gets rebuilt.
No need for 'make clean' after each header modification, no more
spurious errors, no more spurious rebuilds.
2. No more errors due to redefined preprocessor, compiler, and linker
FLAGS.
3. Build scripts don't try to build every *.cc file which happen to
lurk in the source directory.
Typical CLN source file starts with
// General includes.
#include "cl_sysdep.h"
// Specification.
#include "cl_2DS.h"
// Implementation.
#include "cl_2D.h"
#include "cl_DS.h"
It takes a while to figure out which files are included. So, use paths relative
to the `src' directory, like this:
// General includes.
#include "base/cl_sysdep.h"
// Specification.
#include "src/base/digitseq/cl_2DS.h"
// Implementation.
#include "base/digit/cl_2D.h"
#include "base/digitseq/cl_DS.h"
This makes CLN less hacker hostile.
Richard Kreckel
Alexei Sheplyakov
Alexei Sheplyakov