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/*
Numdiff - compare putatively similar files,
ignoring small numeric differences
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Ivano Primi <ivprimi@libero.it>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include"numdiff.h"
#ifdef _DMALLOC_
#include <dmalloc.h> /* Useful only for the debugging */
#endif
#include"read_line.c"
static
void print_head (const char* str, size_t length)
{
const char* t;
for (t = str; t - str < length; putchar(*t), t++);
}
static
void print_ws (unsigned n)
{
while ((n--))
putchar (' ');
}
static
void writeln (const char* line, int addemptyline)
{
const char *ptr;
for (ptr = line; *ptr != '\0'; putchar(*ptr), ptr++);
if (ptr == line || *(ptr-1) != '\n')
puts (EOF_INDICATOR);
if ((addemptyline))
putchar('\n');
}
/*
This function assumes that at least one between line1 and line2 is
not empty (!NULL).
*/
void print_lines (const char* line1, const char* line2,
unsigned long lineno1, unsigned long lineno2,
int delimiter_only)
{
puts (LINE_SEP);
if (!delimiter_only)
{
if (!line1)
{
printf (" <==\n##%-7lu ==> ", lineno2);
writeln (line2, 1);
}
else if (!line2)
{
printf ("##%-7lu <== ", lineno1);
writeln (line1, 0);
printf (" ==>\n\n");
}
else
{
printf ("##%-7lu <== ", lineno1);
writeln (line1, 0);
printf ("##%-7lu ==> ", lineno2);
writeln (line2, 1);
}
}
}
/*
This function assumes that at least one between field1 and field2 is
not empty.
*/
void print_fields (const char* field1, const char* field2,
size_t l1, size_t l2,
unsigned long lineno1, unsigned long lineno2,
unsigned long fieldno1, unsigned long fieldno2)
{
fieldno1++; /* The field number must start from 1, not from 0 */
fieldno2++; /* The field number must start from 1, not from 0 */
if (*field1 == '\0')
{
printf ("##%-7lu <==\n##%-7lu #>%-3lu ==> ", lineno1, lineno2, fieldno2);
/* length(" #> ") + 3 = 7 white spaces before the arrow */
writeln (field2, 0);
}
else if (*field2 == '\0')
{
printf ("##%-7lu #>%-3lu <== ", lineno1, fieldno1);
writeln (field1, 0);
/* length(" #> ") + 3 = 7 white spaces before the arrow */
printf ("##%-7lu ==>\n", lineno2);
}
else
{
printf ("##%-7lu #:%-3lu <== ", lineno1, fieldno1);
print_head (field1, l1);
putchar ('\n');
printf ("##%-7lu #:%-3lu ==> ", lineno2, fieldno2);
print_head (field2, l2);
putchar ('\n');
}
}
void print_errors (Real abserr, Real relerr)
{
fputs (_("@ Absolute error = "), stdout);
printno (abserr, DEF_LIM);
fputs (_(", Relative error = "), stdout);
printno (relerr, DEF_LIM);
putchar ('\n');
}
void print_separator (void)
{
putchar ('@');
print_ws (53);
puts ("@@");
}
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