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/* read_line.c -- Read line of test data in file.
Copyright (C) 2012, 2013, 2014 INRIA
This file is part of GNU MPC.
GNU MPC is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see http://www.gnu.org/licenses/ .
*/
#include "mpc-tests.h"
static void
read_param (mpc_datafile_context_t* datafile_context,
mpc_operand_t* p, mpc_param_t t)
{
switch (t)
{
case NATIVE_INT:
tpl_read_int (datafile_context, &(p->i),"");
return;
case NATIVE_UL:
tpl_read_ui (datafile_context, &(p->ui));
return;
case NATIVE_L:
tpl_read_si (datafile_context, &(p->si));
return;
case NATIVE_D:
case NATIVE_LD:
/* TODO */
fprintf (stderr, "read_param: type not implemented.\n");
exit (1);
break;
case NATIVE_DC:
case NATIVE_LDC:
#ifdef _Complex_I
/* TODO */
fprintf (stderr, "read_param: type not implemented.\n");
exit (1);
#endif
break;
case NATIVE_IM:
case NATIVE_UIM:
#ifdef _MPC_H_HAVE_INTMAX_T
/* TODO */
fprintf (stderr, "read_param: type not implemented.\n");
exit (1);
#endif
break;
case NATIVE_STRING:
/* TODO */
fprintf (stderr, "read_param: type not implemented.\n");
exit (1);
break;
case GMP_Z:
tpl_read_mpz (datafile_context, p->mpz);
return;
case GMP_Q:
case GMP_F:
/* TODO */
fprintf (stderr, "read_param: type not implemented.\n");
exit (1);
break;
case MPFR_INEX:
tpl_read_mpfr_inex (datafile_context, &p->mpfr_inex);
return;
case MPFR:
tpl_read_mpfr (datafile_context,
p->mpfr_data.mpfr, &p->mpfr_data.known_sign);
return;
case MPFR_RND:
tpl_read_mpfr_rnd (datafile_context, &p->mpfr_rnd);
return;
case MPC_INEX:
tpl_read_mpc_inex (datafile_context, &p->mpc_inex_data);
return;
case MPC:
tpl_read_mpc (datafile_context, &p->mpc_data);
return;
case MPC_RND:
tpl_read_mpc_rnd (datafile_context, &p->mpc_rnd);
return;
case MPCC_INEX:
/* TODO */
fprintf (stderr, "read_param: type not implemented.\n");
exit (1);
break;
}
fprintf (stderr, "read_param: unsupported type.\n");
exit (1);
}
static void
set_precision (mpc_fun_param_t* params, int index)
{
/* set output precision to reference precision */
int index_ref = index + params->nbout + params->nbin;
switch (params->T[index])
{
case MPFR:
mpfr_set_prec (params->P[index].mpfr,
mpfr_get_prec (params->P[index_ref].mpfr));
return;
case MPC:
mpfr_set_prec (mpc_realref (params->P[index].mpc),
MPC_PREC_RE (params->P[index_ref].mpc));
mpfr_set_prec (mpc_imagref (params->P[index].mpc),
MPC_PREC_IM (params->P[index_ref].mpc));
return;
case NATIVE_INT:
case NATIVE_UL: case NATIVE_L:
case NATIVE_D: case NATIVE_LD:
case NATIVE_DC: case NATIVE_LDC:
case NATIVE_IM: case NATIVE_UIM:
case NATIVE_STRING:
case GMP_Z: case GMP_Q:
case GMP_F:
case MPFR_INEX: case MPFR_RND:
case MPC_INEX: case MPC_RND:
case MPCC_INEX:
/* unsupported types */
break;
}
fprintf (stderr, "set_precision: unsupported type.\n");
exit (1);
}
void
read_line (mpc_datafile_context_t* datafile_context,
mpc_fun_param_t* params)
{
int in, out;
int total = params->nbout + params->nbin;
datafile_context->test_line_number = datafile_context->line_number;
for (out = 0; out < params->nbout; out++)
{
read_param (datafile_context, &(params->P[total + out]),
params->T[total + out]);
if (params->T[out] == MPFR || params->T[out] == MPC)
set_precision (params, out);
}
for (in = params->nbout; in < total; in++)
{
read_param (datafile_context, &(params->P[in]), params->T[in]);
}
}
/* read primitives */
static void
tpl_skip_line (mpc_datafile_context_t* datafile_context)
/* skips characters until reaching '\n' or EOF; */
/* '\n' is skipped as well */
{
while (datafile_context->nextchar != EOF && datafile_context->nextchar != '\n')
datafile_context->nextchar = getc (datafile_context->fd);
if (datafile_context->nextchar != EOF)
{
datafile_context->line_number ++;
datafile_context->nextchar = getc (datafile_context->fd);
}
}
static void
tpl_skip_whitespace (mpc_datafile_context_t* datafile_context)
/* skips over whitespace if any until reaching EOF */
/* or non-whitespace */
{
while (isspace (datafile_context->nextchar))
{
if (datafile_context->nextchar == '\n')
datafile_context->line_number ++;
datafile_context->nextchar = getc (datafile_context->fd);
}
}
void
tpl_skip_whitespace_comments (mpc_datafile_context_t* datafile_context)
/* skips over all whitespace and comments, if any */
{
tpl_skip_whitespace (datafile_context);
while (datafile_context->nextchar == '#') {
tpl_skip_line (datafile_context);
if (datafile_context->nextchar != EOF)
tpl_skip_whitespace (datafile_context);
}
}
/* All following read routines skip over whitespace and comments; */
/* so after calling them, nextchar is either EOF or the beginning */
/* of a non-comment token. */
void
tpl_read_ternary (mpc_datafile_context_t* datafile_context, int* ternary)
{
switch (datafile_context->nextchar)
{
case '!':
*ternary = TERNARY_ERROR;
break;
case '?':
*ternary = TERNARY_NOT_CHECKED;
break;
case '+':
*ternary = +1;
break;
case '0':
*ternary = 0;
break;
case '-':
*ternary = -1;
break;
default:
printf ("Error: Unexpected ternary value '%c' in file '%s' line %lu\n",
datafile_context->nextchar,
datafile_context->pathname,
datafile_context->line_number);
exit (1);
}
datafile_context->nextchar = getc (datafile_context->fd);
tpl_skip_whitespace_comments (datafile_context);
}
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