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Re: [CLN-list] How to compile GiNaC under MinGW/MSYS (Alexei Sheplyakov)
by wang wayne 28 May '10

28 May '10

Thank you ,Alexei but that didn't work. i had tried, :( i suppose the point is how comes this message when compiling and linking cln : >C:/ooo/1.0/GiNaC1/lib/libcln.a(cl_LF_1plus.o): In function `subx_loop_up': >C:\msys\1.0\home\Lenovo\cln-1.3.1\src/./base/digitseq/cl_DS.h:406: undefined >reference to `_imp____gmpn_sub_n' it seems that the CLN and GINAC was compiled with position dependent things written into cln lib files , By the Way, when i type "pkg-config.exe --libs cln" in MSYS shell, it gives "-LC:/ooo/1.0/GiNaC1/lib -lcln" . it should have been "-L/GiNaC1/lib -lcln" , am i right? wayne

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CLN compile errors on GCC4.2
by Vipin Varma 26 May '10

26 May '10

Hi, I've been using CLN 1.3.1 successfully with the GCC4.3 compiler. Now I am running my code using the GCC4.2 on another machine (in which I dont have the option of updating to the newer GCC): <SNIP> In file included from /users/varma/cln-1.3.1/include/cln/string.h:7, from /usr/include/c++/4.2/cstring:52, from /usr/include/c++/4.2/i486-linux-gnu/bits/c++locale.h:47, from /usr/include/c++/4.2/iosfwd:45, from /usr/include/c++/4.2/ios:43, from /usr/include/c++/4.2/ostream:45, from /usr/include/c++/4.2/iostream:45, from graph.cpp:12: /usr/include/cln/io.h:22: error: expected initializer before & token /usr/include/cln/io.h:23: error: expected initializer before & token /usr/include/cln/io.h:24: error: expected initializer before * token ........ ........ ........ //and many more errors// <SNIP> Lines 22-24 of cln/io.h contain the following: <SNIP> typedef std::istream& cl_istream; typedef std::ostream& cl_ostream; extern std::ostream* cl_debugout_stream; #define cl_debugout (*cl_debugout_stream) <SNIP> My guess is that the streams are not recognised due to circular referencing (but which are the two, or more, files that are responsibile for this, I am not sure), which is somehow taken care of in the newer GCC. Any advice on this will be appreciated. Vipin

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How to compile GiNaC under MinGW/MSYS
by wang wayne 26 May '10

26 May '10

Hi,everyone. is there anyone here could help me, please ,i have built GiNaC dozens of times, now im in desperate. here are my information: 1) OS: windows 7 home basic MSYS 1.0.11 , TDM/MinGW 4.4.1 gmp5.0.1 , cln 1.3.1 ,GiNaC 1.5.7 2)building gmp (./configure --prefix=/GiNaC --enable-cxx --disable-static --enable-shared), normal downloading binary version of pkg-config and dll of glib from GNOME websites.( http://ftp.gnome.org/pub/gnome/binaries/win32/dependencies/pkg-config_0.23-…, http://ftp.gnome.org/pub/gnome/binaries/win32/glib/2.24/glib_2.24.1-1_win32… ) coping pkg-config.exe and libglib-2.0-0.dll to msys/bin. 3) building cln(./configure --prefix=/GiNaC --with-gmp=/GiNaC --disable-static --enable-shared ),but i only got the static libs 4)building GiNaC (./configure --prefix=/GiNaC --disable-static --enable-shared ) still only static libs 5)compiling example codes for testing. gmp OK,but cln gives me this error: g++ pi.cc -I/GiNaC1/include -L/GiNaC1/lib -lcln -o pi 2>a.txt C:/ooo/1.0/GiNaC1/lib/libcln.a(cl_LF_1plus.o): In function `subx_loop_up': C:\msys\1.0\home\Lenovo\cln-1.3.1\src/./base/digitseq/cl_DS.h:406: undefined reference to `_imp____gmpn_sub_n' C:/ooo/1.0/GiNaC1/lib/libcln.a(cl_LF_1plus.o): In function `shiftrightcopy_loop_down': C:\msys\1.0\home\Lenovo\cln-1.3.1\src/./base/digitseq/cl_DS.h:495: undefined reference to `_imp____gmpn_rshift' C:/ooo/1.0/GiNaC1/lib/libcln.a(cl_LF_1plus.o): In function `add_loop_up': C:\msys\1.0\home\Lenovo\cln-1.3.1\src/./base/digitseq/cl_DS.h:378: undefined reference to `_imp____gmpn_add_n' ............................................................. C:\msys\1.0\home\Lenovo\cln-1.3.1\src/./base/digitseq/cl_DS.h:453: undefined reference to `_imp____gmpn_lshift' C:/ooo/1.0/GiNaC1/lib/libcln.a(cl_I_to_digits.o): In function `divu_loop_down': C:\msys\1.0\home\Lenovo\cln-1.3.1\src/./base/digitseq/cl_DS.h:539: undefined reference to `_imp____gmpn_divrem_1' C:/ooo/1.0/GiNaC1/lib/libcln.a(cl_I_ldbx.o): In function `shiftrightcopy_loop_down': C:\msys\1.0\home\Lenovo\cln-1.3.1\src/./base/digitseq/cl_DS.h:495: undefined reference to `_imp____gmpn_rshift' collect2: ld returned 1 exit status

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Re: [CLN-list] CLN-list Digest, Vol 49, Issue 3
by Joshua Friedman 26 May '10

26 May '10

Alexei Thanks for answering my question. I think I understand what to do. Suppose I say, cln_R x = 3.4; then I computer exp(x), now I convert it to cln_F, Can I do so at any precision. Is exp(x) just a symbolic computation, and does the actual computation come about only when converting to a cln_F? Thanks On Tue, May 18, 2010 at 4:45 PM, <cln-list-request(a)ginac.de> wrote: > Send CLN-list mailing list submissions to > cln-list(a)ginac.de > > To subscribe or unsubscribe via the World Wide Web, visit > https://www.cebix.net/mailman/listinfo/cln-list > or, via email, send a message with subject or body 'help' to > cln-list-request(a)ginac.de > > You can reach the person managing the list at > cln-list-owner(a)ginac.de > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of CLN-list digest..." > > > Today's Topics: > > 1. confusion with cln::cl_F and cln::cl_R (Joshua Friedman) > 2. Re: confusion with cln::cl_F and cln::cl_R (Alexei Sheplyakov) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 18 May 2010 11:22:25 -0400 > From: Joshua Friedman <crowneagle(a)gmail.com> > To: cln-list(a)ginac.de > Subject: [CLN-list] confusion with cln::cl_F and cln::cl_R > Message-ID: > <AANLkTimibjqTFsn4dXLgX946oMrL7E7rmMaiu-eEZFVk(a)mail.gmail.com> > Content-Type: text/plain; charset="windows-1252" > > The program runs when I define "bigF = cln_R", but I get errors when I set > "bigF = cln_F" > I found that the exponential function only gives many digits of precision > when I use cln_F. > I am attaching my program and the out put is below: > > fuji:rama joshua$ make > g++ -DHAVE_CONFIG_H -I. -I../include -I../include -g -O2 -MT e.o -MD -MP > -MF .deps/e.Tpo -c -o e.o e.cc > In file included from /usr/include/c++/4.0.0/backward/iostream.h:31, > from e.cc:1: > /usr/include/c++/4.0.0/backward/backward_warning.h:32:2: warning: #warning > This file includes at least one deprecated or antiquated header. Please > consider using one of the 32 headers found in section 17.4.1.2 of the C++ > standard. Examples include substituting the <X> header for the <X.h> header > for C++ includes, or <iostream> instead of the deprecated header > <iostream.h>. To disable this warning use -Wno-deprecated. > e.cc: In function ?bigF h(bigF, bigF*, int, int, int)?: > e.cc:233: error: conversion from ?const cln::cl_N? to non-scalar type > ?bigF? > requested > e.cc: In function ?bigF ff(bigF, bigF, bigF*, int, int, int)?: > e.cc:251: error: no match for ?operator=? in ?q = cln::operator*(const > cln::cl_R&, const cln::cl_R&)(((const cln::cl_R&)(& cln::exp(const > cln::cl_R&)())))? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > e.cc:258: error: conversion from ?const cln::cl_N? to non-scalar type > ?bigF? > requested > e.cc: In function ?bigF v(bigF, bigF*, int, int, int)?: > e.cc:275: error: conversion from ?int? to ?cln::cl_F? is ambiguous > ../include/cln/float_class.h:38: note: candidates are: > cln::cl_F::cl_F(cln::cl_anything*) > ../include/cln/float_class.h:26: note: > cln::cl_F::cl_F(const > char*) > ../include/cln/float_class.h:48: note: > cln::cl_F::cl_F(double) > ../include/cln/float_class.h:47: note: > cln::cl_F::cl_F(float) > e.cc:276: error: conversion from ?int? to ?cln::cl_F? is ambiguous > ../include/cln/float_class.h:38: note: candidates are: > cln::cl_F::cl_F(cln::cl_anything*) <near match> > ../include/cln/float_class.h:26: note: > cln::cl_F::cl_F(const > char*) <near match> > ../include/cln/float_class.h:48: note: > cln::cl_F::cl_F(double) > ../include/cln/float_class.h:47: note: > cln::cl_F::cl_F(float) > e.cc:281: error: no match for ?operator=? in ?w = cln::operator*(const > cln::cl_R&, const cln::cl_R&)(((const cln::cl_R&)((const cln::cl_R*)(& > w.cln::cl_F::<anonymous>))))? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > e.cc:283: error: ambiguous overload for ?operator=? in ?q = 0? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > e.cc:289: error: no match for ?operator=? in ?q = cln::operator*(const > cln::cl_R&, const cln::cl_R&)(((const cln::cl_R&)(& cln::exp(const > cln::cl_R&)())))? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > e.cc:294: error: conversion from ?const cln::cl_N? to non-scalar type > ?bigF? > requested > e.cc: In function ?bigF integralH(bigF*, int, int, int, int)?: > e.cc:312: error: ambiguous overload for ?operator=? in ?aa = 1? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > e.cc:313: error: ambiguous overload for ?operator=? in ?b = 20? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > e.cc:317: error: conversion from ?int? to ?cln::cl_F? is ambiguous > ../include/cln/float_class.h:38: note: candidates are: > cln::cl_F::cl_F(cln::cl_anything*) > ../include/cln/float_class.h:26: note: > cln::cl_F::cl_F(const > char*) > ../include/cln/float_class.h:48: note: > cln::cl_F::cl_F(double) > ../include/cln/float_class.h:47: note: > cln::cl_F::cl_F(float) > e.cc:320: error: ambiguous overload for ?operator=? in ?w = 0? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > e.cc:321: error: conversion from ?int? to ?cln::cl_F? is ambiguous > ../include/cln/float_class.h:38: note: candidates are: > cln::cl_F::cl_F(cln::cl_anything*) <near match> > ../include/cln/float_class.h:26: note: > cln::cl_F::cl_F(const > char*) <near match> > ../include/cln/float_class.h:48: note: > cln::cl_F::cl_F(double) > ../include/cln/float_class.h:47: note: > cln::cl_F::cl_F(float) > e.cc: In function ?bigF integralL(bigF*, int, int, int, int)?: > e.cc:339: error: ambiguous overload for ?operator=? in ?b = 1? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > e.cc:346: error: ambiguous overload for ?operator=? in ?w = 0? > ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& > cln::cl_F::operator=(const cln::cl_F&) > ../include/cln/float_class.h:47: note: cln::cl_F& > cln::cl_F::operator=(float) > ../include/cln/float_class.h:48: note: cln::cl_F& > cln::cl_F::operator=(double) > make: *** [e.o] Error 1 > fuji:rama joshua$ make > > > > > > -- > Joshua Friedman PhD > CrownEagle(a)gmail.com > http://www.math.sunysb.edu/~joshua <http://www.math.sunysb.edu/%7Ejoshua> >

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confusion with cln::cl_F and cln::cl_R
by Joshua Friedman 18 May '10

18 May '10

The program runs when I define "bigF = cln_R", but I get errors when I set "bigF = cln_F" I found that the exponential function only gives many digits of precision when I use cln_F. I am attaching my program and the out put is below: fuji:rama joshua$ make g++ -DHAVE_CONFIG_H -I. -I../include -I../include -g -O2 -MT e.o -MD -MP -MF .deps/e.Tpo -c -o e.o e.cc In file included from /usr/include/c++/4.0.0/backward/iostream.h:31, from e.cc:1: /usr/include/c++/4.0.0/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of the deprecated header <iostream.h>. To disable this warning use -Wno-deprecated. e.cc: In function ‘bigF h(bigF, bigF*, int, int, int)’: e.cc:233: error: conversion from ‘const cln::cl_N’ to non-scalar type ‘bigF’ requested e.cc: In function ‘bigF ff(bigF, bigF, bigF*, int, int, int)’: e.cc:251: error: no match for ‘operator=’ in ‘q = cln::operator*(const cln::cl_R&, const cln::cl_R&)(((const cln::cl_R&)(& cln::exp(const cln::cl_R&)())))’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) e.cc:258: error: conversion from ‘const cln::cl_N’ to non-scalar type ‘bigF’ requested e.cc: In function ‘bigF v(bigF, bigF*, int, int, int)’: e.cc:275: error: conversion from ‘int’ to ‘cln::cl_F’ is ambiguous ../include/cln/float_class.h:38: note: candidates are: cln::cl_F::cl_F(cln::cl_anything*) ../include/cln/float_class.h:26: note: cln::cl_F::cl_F(const char*) ../include/cln/float_class.h:48: note: cln::cl_F::cl_F(double) ../include/cln/float_class.h:47: note: cln::cl_F::cl_F(float) e.cc:276: error: conversion from ‘int’ to ‘cln::cl_F’ is ambiguous ../include/cln/float_class.h:38: note: candidates are: cln::cl_F::cl_F(cln::cl_anything*) <near match> ../include/cln/float_class.h:26: note: cln::cl_F::cl_F(const char*) <near match> ../include/cln/float_class.h:48: note: cln::cl_F::cl_F(double) ../include/cln/float_class.h:47: note: cln::cl_F::cl_F(float) e.cc:281: error: no match for ‘operator=’ in ‘w = cln::operator*(const cln::cl_R&, const cln::cl_R&)(((const cln::cl_R&)((const cln::cl_R*)(& w.cln::cl_F::<anonymous>))))’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) e.cc:283: error: ambiguous overload for ‘operator=’ in ‘q = 0’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) e.cc:289: error: no match for ‘operator=’ in ‘q = cln::operator*(const cln::cl_R&, const cln::cl_R&)(((const cln::cl_R&)(& cln::exp(const cln::cl_R&)())))’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) e.cc:294: error: conversion from ‘const cln::cl_N’ to non-scalar type ‘bigF’ requested e.cc: In function ‘bigF integralH(bigF*, int, int, int, int)’: e.cc:312: error: ambiguous overload for ‘operator=’ in ‘aa = 1’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) e.cc:313: error: ambiguous overload for ‘operator=’ in ‘b = 20’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) e.cc:317: error: conversion from ‘int’ to ‘cln::cl_F’ is ambiguous ../include/cln/float_class.h:38: note: candidates are: cln::cl_F::cl_F(cln::cl_anything*) ../include/cln/float_class.h:26: note: cln::cl_F::cl_F(const char*) ../include/cln/float_class.h:48: note: cln::cl_F::cl_F(double) ../include/cln/float_class.h:47: note: cln::cl_F::cl_F(float) e.cc:320: error: ambiguous overload for ‘operator=’ in ‘w = 0’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) e.cc:321: error: conversion from ‘int’ to ‘cln::cl_F’ is ambiguous ../include/cln/float_class.h:38: note: candidates are: cln::cl_F::cl_F(cln::cl_anything*) <near match> ../include/cln/float_class.h:26: note: cln::cl_F::cl_F(const char*) <near match> ../include/cln/float_class.h:48: note: cln::cl_F::cl_F(double) ../include/cln/float_class.h:47: note: cln::cl_F::cl_F(float) e.cc: In function ‘bigF integralL(bigF*, int, int, int, int)’: e.cc:339: error: ambiguous overload for ‘operator=’ in ‘b = 1’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) e.cc:346: error: ambiguous overload for ‘operator=’ in ‘w = 0’ ../include/cln/float_class.h:40: note: candidates are: cln::cl_F& cln::cl_F::operator=(const cln::cl_F&) ../include/cln/float_class.h:47: note: cln::cl_F& cln::cl_F::operator=(float) ../include/cln/float_class.h:48: note: cln::cl_F& cln::cl_F::operator=(double) make: *** [e.o] Error 1 fuji:rama joshua$ make -- Joshua Friedman PhD CrownEagle(a)gmail.com http://www.math.sunysb.edu/~joshua

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multithreaded app mem errors
by Tony Worm 04 May '10

04 May '10

I am getting memory errors from CLN [5.0.2] when running multiple threads. It's a binary from the repositories. Solutions or work arounds? Cheers, Tony

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configure script error
by SEYHMUS 03 Apr '10

03 Apr '10

hi everyone, I got below error while running confiigure script. Please help me solving the problem. checking how large gmp demands uintD to be... configure: error: Don't know which C-type has sizeof 127

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efficient calculation of binomial
by Silvestre Abruzzo 22 Mar '10

22 Mar '10

I need to initialize a vector with the binomial coefficients. The code is like the following: for(size_t i=1; i<n;i++){ nl[i]=cln::binomial(m,m-i); } where are involved very big number, something like m=10^10 and n=10^6. My purpose is to optimize the preceding optimization by using the result of the preceding iteration, i.e. binomial(n, n-(i+1))=binomial(n, i)* (n-i)/(i+1) I tried to implement the multiplication by storing the result of of (n-i)/(i+1) in one cl_RA number, but unfortunately the performance are worst than the direct calculation. Do you have any idea how to initialize efficiently this vector? Thank you for your help, Silvestre Abruzzo

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multivariate factorization (ginac/ginsh)
by Joerg Arndt 21 Feb '10

21 Feb '10

[could someone please forward to ginac-devel, I am not subscribed there] Within ginsh: > ?factor factor(expression) - factorizes an expression (univariate) # but it appears to do multivariate factorization as well: > t=(E20^16*E5^8*q^4*E2^24 + (-E20^16*E5^8*q^4*E4^8*E1^16)); -E1^16*q^4*E20^16*E4^8*E5^8+q^4*E2^24*E20^16*E5^8 > factor(t); -(E1^2*E4-E2^3)*q^4*(E2^12+E1^8*E4^4)*E20^16*E5^8*(E1^2*E4+E2^3)*(E2^6+E1^4*E4^2) # The following seems to take forever: > t; -E20^16*E4^8*E5^8*E1^16*q^4-(E10^24-E20^8*E5^16)*E4^16*E1^8+E2^24*E20^16*E5^8*q^4 > factor(t); # ctrl-C ginsh 815.46s user 3.39s system 94% cpu 14:26.22 total Is the latter a huge-ish task or does ginac have a performance issue here? I stepped on this one because sage had the very same issue. I suggested to use ginac for multivariate factorization, then found ginac itself takes quite long (so they may already be using ginac).

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CLN on a 64-bit Macintosh
by walsh.timothy＠uqam.ca 19 Jan '10

19 Jan '10

To whoever can answer this question, I downloaded and installed CLN and XCODE on a Macintosh GR4, which is a 32-bit computer, and it works, but later I downloaded and installed CLN and XCODE on a Macbook Pro 15 inch laptop, which is a 64-bit computer, and it doesn't work. The technician at my university is trying to make it work, but so far without success. Can any of you suggest a fix? Yours sincerely, Timothy Walsh P.S. Is there a way in C to declare an integer to be 64 bits long? ------------------------------------------------- Uqam Service IMP: http://www.er.uqam.ca/courrier

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