Reverted r31207 that does not compile on Windows

This commit is contained in:
Laurent Saboret 2006-05-22 10:11:21 +00:00
parent 54485f1f0c
commit d7e0e76eb0
1 changed files with 76 additions and 72 deletions

View File

@ -27,10 +27,6 @@
#include <cassert> #include <cassert>
#include <stdio.h> #include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/time.h>
CGAL_BEGIN_NAMESPACE CGAL_BEGIN_NAMESPACE
@ -88,6 +84,42 @@ public:
taucs_logfile("stderr"); taucs_logfile("stderr");
#endif #endif
//#ifdef DEBUG_TRACE
// // Debug trace
// fprintf(stderr, "\n");
// fprintf(stderr, "linear_solver:\n");
// int n = A.row_dimension();
// if (n < 20) // if small matrix, print it entirely
// {
// fprintf(stderr, "****************** A: ******************\n");
// for (int i=0; i<n; i++) {
// for (int j=0; j<n; j++)
// fprintf(stderr, "%lf\t", (double)A.get_coef(i, j));
// fprintf(stderr, "\n");
// }
// fprintf(stderr, "****************** B: ******************\n");
// for (int j=0; j<n; j++)
// fprintf(stderr, "%lf\t", (double)B[j]);
// fprintf(stderr, "\n");
// fprintf(stderr, "******************************************\n");
// }
// else // if large matrix, print only not null elements
// {
// fprintf(stderr, "****************** A*X=B ******************\n");
// for (int i=0; i<n; i++) {
// for (int j=0; j<n; j++)
// if ( ! IsZero(A.get_coef(i, j)) )
// fprintf(stderr, "A[%d][%d] = %lf\t", i, j, (double)A.get_coef(i, j));
// fprintf(stderr, "\n");
// }
// for (int j=0; j<n; j++)
// if ( ! IsZero(B[j]) )
// fprintf(stderr, "B[%d] = %lf\t", j, (double)B[j]);
// fprintf(stderr, "\n");
// fprintf(stderr, "******************************************\n");
// }
//#endif
try try
{ {
// Factor, solve and free // Factor, solve and free
@ -163,6 +195,42 @@ public:
taucs_logfile("stderr"); taucs_logfile("stderr");
#endif #endif
//#ifdef DEBUG_TRACE
// // Debug trace
// fprintf(stderr, "\n");
// fprintf(stderr, "linear_solver:\n");
// int n = A.row_dimension();
// if (n < 20) // if small matrix, print it entirely
// {
// fprintf(stderr, "****************** A: ******************\n");
// for (int i=0; i<n; i++) {
// for (int j=0; j<n; j++)
// fprintf(stderr, "%lf\t", (double)A.get_coef(i, j));
// fprintf(stderr, "\n");
// }
// fprintf(stderr, "****************** B: ******************\n");
// for (int j=0; j<n; j++)
// fprintf(stderr, "%lf\t", (double)B[j]);
// fprintf(stderr, "\n");
// fprintf(stderr, "******************************************\n");
// }
// else // if large matrix, print only not null elements
// {
// fprintf(stderr, "****************** A*X=B ******************\n");
// for (int i=0; i<n; i++) {
// for (int j=0; j<n; j++)
// if ( ! IsZero(A.get_coef(i, j)) )
// fprintf(stderr, "A[%d][%d] = %lf\t", i, j, (double)A.get_coef(i, j));
// fprintf(stderr, "\n");
// }
// for (int j=0; j<n; j++)
// if ( ! IsZero(B[j]) )
// fprintf(stderr, "B[%d] = %lf\t", j, (double)B[j]);
// fprintf(stderr, "\n");
// fprintf(stderr, "******************************************\n");
// }
//#endif
try try
{ {
int success; int success;
@ -179,10 +247,10 @@ public:
return false; return false;
} }
// create temporary multifile for out-of-core swapping // create multifile for out-of-core swapping
char* matrixfile = tmpnam(NULL); char* matrixfile = tempnam(NULL, "taucs.L");
taucs_io_handle* oocL = taucs_io_create_multifile(matrixfile); taucs_io_handle* oocL = taucs_io_create_multifile(matrixfile);
matrixfile = NULL; free(matrixfile); matrixfile = NULL;
if (oocL == NULL) { if (oocL == NULL) {
taucs_printf("\tCannot Create Multifile\n"); taucs_printf("\tCannot Create Multifile\n");
return false; return false;
@ -227,71 +295,7 @@ private:
{ {
return (CGAL_CLIB_STD::fabs(a) < 10.0 * std::numeric_limits<NT>::min()); return (CGAL_CLIB_STD::fabs(a) < 10.0 * std::numeric_limits<NT>::min());
} }
};
/// Generate a temporary filename. See "man tmpnam".
/// This is a replacement for the standard tmpnam() function that is deprecated.
/// Note: this is a modified version of cupsTempFile().
char * // Out - Filename or
tmpnam(char *filename) // In - Pointer to buffer
{
int fd; // File descriptor for temp file
#ifdef WIN32
char tmpdir[1024]; // Windows temporary directory
#else
char *tmpdir; // TMPDIR environment var
#endif
struct timeval curtime; // Current time
static char buf[L_tmpnam] = ""; // Buffer if you pass in NULL
// See if a filename was specified.
if (filename == NULL)
filename = buf;
// Get temporary directory.
#ifdef WIN32
if ((tmpdir = getenv("TEMP")) == NULL)
{
GetTempPath(sizeof(tmpdir), tmpdir);
}
#else
if ((tmpdir = getenv("TMPDIR")) == NULL)
{
// Put root temp files in restricted temp directory.
if (getuid() == 0)
tmpdir = "/tmp";
else
tmpdir = "/var/tmp";
}
#endif
// Make the temporary name using the specified directory.
do
{
// Get the current time of day...
gettimeofday(&curtime, NULL);
// Format a string using the hex time values...
snprintf(filename, L_tmpnam - 1, "%s/%08x%05x", tmpdir,
(int)curtime.tv_sec, (int)curtime.tv_usec);
// Open the file in "exclusive" mode, making sure that we don't
// stomp on an existing file or someone's symlink crack.
#ifdef O_NOFOLLOW
fd = open(filename, O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW, 0600);
#else
fd = open(filename, O_WRONLY | O_CREAT | O_EXCL, 0600);
#endif
}
while (fd < 0);
// Close the temp file - it'll be reopened later as needed.
close(fd);
// Return the temp filename.
return (filename);
}
}; // Taucs_solver_traits
CGAL_END_NAMESPACE CGAL_END_NAMESPACE