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#include "Pastix.hpp"
#include "../../Helper.hpp"
#include <iostream>
#include <cstdlib>
#include <ctype.h>
int pastix_read_symbol(FILE* stream, symbol_matrix_t* matrix)
{
int32_t versval;
int32_t cblknum;
int32_t bloknum;
int32_t nodenbr;
int32_t result = 0;
result += pastix_read_int(stream, &versval);
result += pastix_read_int(stream, &matrix->m_cblknbr);
result += pastix_read_int(stream, &matrix->m_bloknbr);
result += pastix_read_int(stream, &nodenbr);
result += pastix_read_int(stream, &matrix->m_baseval);
matrix->m_sndenbr = matrix->m_cblknbr;
if ((result != 5) ||
(versval < -1) ||
(versval > 1) ||
(matrix->m_bloknbr < matrix->m_cblknbr) ||
(nodenbr < matrix->m_cblknbr))
{
Helper::log(LogStatus::FATAL, "Loading symbol file, bad header !");
return 1;
}
Helper::log(LogStatus::MESSAGE, "Version %d", versval);
matrix->m_sndetab = (int32_t*) malloc((matrix->m_sndenbr + 1) * sizeof(int32_t) );
matrix->m_cblktab = (symbol_cblk_t*)malloc((matrix->m_cblknbr + 1) * sizeof(symbol_cblk_t));
matrix->m_bloktab = (symbol_blok_t*)malloc( matrix->m_bloknbr * sizeof(symbol_blok_t));
if ( (matrix->m_sndetab == nullptr) ||
(matrix->m_cblktab == nullptr) ||
(matrix->m_bloktab == nullptr) )
{
Helper::log(LogStatus::FATAL, "Out of memory while allocating tabs !");
return 1;
}
symbol_cblk_t *cblk = matrix->m_cblktab;
int32_t *snde = matrix->m_sndetab;
int32_t cblknbr = matrix->m_cblknbr;
for (cblknum = 0; cblknum < cblknbr; ++cblknum, ++cblk, ++snde)
{
result = pastix_read_int(stream, &(cblk->m_fcolnum));
result += pastix_read_int(stream, &(cblk->m_lcolnum));
result += pastix_read_int(stream, &(cblk->m_bloknum));
if ((result != 3) ||
(cblk->m_fcolnum > cblk->m_lcolnum))
{
Helper::log(LogStatus::FATAL, "Bad input while reading cblk !");
return 1;
}
cblk->m_color = 0.f;
cblk->m_flags = 0;
*snde = 0;
}
/* Extra cblk and supernode */
cblk->m_fcolnum = cblk->m_lcolnum = nodenbr + matrix->m_baseval;
cblk->m_bloknum = matrix->m_bloknbr + matrix->m_baseval;
*snde = cblknum;
symbol_blok_t *blok = matrix->m_bloktab;
int32_t bloknbr = matrix->m_bloknbr;
for (bloknum = 0; bloknum < bloknbr; ++bloknum, ++blok)
{
result = pastix_read_int(stream, &(blok->m_frownum));
result += pastix_read_int(stream, &(blok->m_lrownum));
result += pastix_read_int(stream, &(blok->m_fcblknm));
if ((result != 3) ||
(blok->m_frownum > blok->m_lrownum))
{
Helper::log(LogStatus::FATAL, "Bad input while reading blok %d !", bloknum);
return 1;
}
blok->m_localization = 0;
blok->m_flags = 0;
if (versval == -1) {
int32_t rk, rkmax;
result = pastix_read_int(stream, &rk);
result += pastix_read_int(stream, &rkmax);
if (result != 2)
{
Helper::log(LogStatus::FATAL, "Bad input while reading blok %d ranks !", bloknum);
return 1;
}
blok->m_color = (double)(rkmax - rk) / (double)rkmax;
}
else {
blok->m_color = -1.f;
}
// Compatibility block
{
int32_t tmp;
if ((versval == 0) && (pastix_read_int(stream, &tmp) != 1))
{
Helper::log(LogStatus::FATAL, "Bad input while reading lefval !");
return 1;
}
}
}
matrix->m_dof = 1;
matrix->m_colsnbr = nodenbr;
matrix->m_rowsnbr = nodenbr;
Helper::log(LogStatus::MESSAGE,
"Loaded header:\n"
" File Version: %10d\n"
" Number of cblk: %10d\n"
" Number of rows: %10d\n"
" Number of blok: %10d\n"
" Number of nodes: %10d\n"
" Base value: %10d\n",
versval,
matrix->m_cblknbr, matrix->m_rowsnbr,
matrix->m_bloknbr, nodenbr,
matrix->m_baseval
);
return 0;
}
int pastix_read_int(FILE* stream, int32_t* const value)
{
int32_t val;
int sign;
int car;
sign = 0;
for ( ; ; )
{
car = getc(stream);
if (isspace(car))
continue;
if ((car >= '0') && (car <= '9'))
break;
if (car == '-')
{
sign = 1;
car = getc(stream);
break;
}
if (car == '+')
{
car = getc(stream);
break;
}
return (0);
}
if ((car < '0') || (car > '9'))
{
return (0);
}
val = car - '0';
for ( ; ; )
{
car = getc(stream);
if ((car < '0') || (car > '9'))
{
ungetc(car, stream);
break;
}
val = val * 10 + (car - '0');
}
// Maybe do: *value = (sign << 31 | val);
*value = (sign != 0) ? (-val) : val;
return (1);
}
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