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/*
Copyright (C) 2010, 2011 Sebastian Pancratz
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "fmpz_poly_q.h"
/**
* \ingroup StringConversions
*
* Returns the string representation of the rational function \c op.
*/
char * fmpz_poly_q_get_str(const fmpz_poly_q_t op)
{
int i, j;
char * str;
char * numstr;
char * denstr;
if (fmpz_poly_is_one(op->den))
{
numstr = fmpz_poly_get_str(op->num);
i = strlen(numstr) - 1;
if (numstr[i] == ' ')
{
numstr[i] = '\0';
}
return numstr;
}
numstr = fmpz_poly_get_str(op->num);
denstr = fmpz_poly_get_str(op->den);
i = strlen(numstr) - 1;
if (numstr[i] == ' ')
numstr[i] = '\0';
i = strlen(denstr) - 1;
if (denstr[i] == ' ')
denstr[i] = '\0';
str = flint_malloc(strlen(numstr) + strlen(denstr) + 2);
if (str == NULL)
{
flint_throw(FLINT_ERROR, "Exception (fmpz_poly_q_get_str). Memory allocation failed.\n");
}
for (i = 0; i < strlen(numstr); i++)
str[i] = numstr[i];
str[i++] = '/';
for (j = 0; j < strlen(denstr); j++)
str[i++] = denstr[j];
str[i] = '\0';
flint_free(numstr);
flint_free(denstr);
return str;
}