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/* Test istream operator in cpp compat header <dfp/decimal/decimal>.
Copyright (C) 2012-2015 Free Software Foundation, Inc.
This file is part of the Decimal Floating Point C Library.
Author(s): Ryan S. Arnold <rsa@us.ibm.com>
The Decimal Floating Point C Library is free software; you can
redistribute it and/or modify it under the terms of the GNU Lesser
General Public License version 2.1.
The Decimal Floating Point C Library 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 version 2.1 for more details.
You should have received a copy of the GNU Lesser General Public
License version 2.1 along with the Decimal Floating Point C Library;
if not, write to the Free Software Foundation, Inc., 51 Franklin
Street, Fifth Floor, Boston, MA 02110-1301 USA.
Please see libdfp/COPYING.txt for more information. */
#ifndef __STDC_WANT_DEC_FP__
#define __STDC_WANT_DEC_FP__
#endif
/* This is a CPP compatibility testcase. Pick up the _Decimal[32|64|128]
* definitions. */
#include <float.h>
#include <decimal/decimal>
#include <iomanip>
/* For cout support. */
#include <iostream>
#include <math.h>
using namespace std;
using namespace std::decimal;
/* Pick up the _OSC(x,y,tmp,fmt) macro. */
#define _WANT_ISC 1
#include "scaffold.c"
/* Inspired by GLIBC stdio-common/tfformat.c */
typedef struct{
int line;
decimal32 expect;
const char *d;
const char *fmt;
decimal32 tmp;
} d32_type;
d32_type istream_d32s[] =
{
{__LINE__, 0.0000006E-90DF, "6e-97", "%Ha", -1.0DF},
{__LINE__, 0.0000006E-90DF, "6E-97", "%Ha", -1.0DF },
/* Test where specified precision '10' exceeds __DEC32_MANT_DIG__.
* This should reset precision to __DEC32_MANT_DIG__. */
{__LINE__, 0.6666666666E-90DF, "6.666667E-91", "%Ha", -1.0DF },
{0,0,0,0,0}
};
typedef struct{
int line;
decimal64 expect;
const char *d;
const char *fmt;
decimal64 tmp;
} d64_type;
d64_type istream_d64s[] =
{
{__LINE__, -9.999E-3DD, "-0.009999", "%Da", -1.0DD},
{__LINE__, -9.999E-3DD, "-9.999000e-03", "%Da", -1.0DD},
{__LINE__, -9.999E-3DD, "-9.999E-03", "%Da", -1.0DD},
{__LINE__, -9.999E-3DD, "-0.009999", "%Da", -1.0DD},
{__LINE__, __builtin_infd64(), "inf", "%Da", -1.0DD},
{__LINE__, __builtin_infd64(), "INF", "%Da", -1.0DD},
{__LINE__, 4E384DD, "4.0E384", "%Da", -1.0DD},
/* You can't value compare nan to nan. */
/* {__LINE__, (0.0DD * __builtin_infd64()), "NAN", "%Da", -1.0DD}, */
/* You can't value compare nan to nan. */
/* {__LINE__, (0.0DD * __builtin_infd64()), "nan", "%Da", -1.0DD}, */
{0,0,0,0,0}
};
typedef struct{
int line;
decimal128 expect;
const char *d;
const char *fmt;
decimal128 tmp;
} d128_type;
d128_type istream_d128s[] =
{
{__LINE__, -1234.57DL, "-1234.57", "%DDa", -1.0DL},
{__LINE__, -1234.57DL, "-1234.57", "%DDa", 0.0DL},
{__LINE__, -1234.57DL, "-1234.57000", "%DDa", -1.0DL},
{__LINE__, -1234.5679DL, "-1234.5679", "%DDa", -1.0DL},
{__LINE__, -12345678912345678.9123455678DL, "-12345678912345678.9123455678","%DDa", -1.0DL},
{0,0,0,0,0}
};
int main(void)
{
d32_type *d32ptr;
d64_type *d64ptr;
d128_type *d128ptr;
for (d32ptr = istream_d32s; d32ptr->line; d32ptr++)
{
_ISC_P(__FILE__,d32ptr->line, d32ptr->expect,d32ptr->d,d32ptr->tmp,d32ptr->fmt);
}
for (d64ptr = istream_d64s; d64ptr->line; d64ptr++)
{
_ISC_P(__FILE__,d64ptr->line, d64ptr->expect,d64ptr->d,d64ptr->tmp,d64ptr->fmt);
}
for (d128ptr = istream_d128s; d128ptr->line; d128ptr++)
{
_ISC_P(__FILE__,d128ptr->line, d128ptr->expect,d128ptr->d,d128ptr->tmp, d128ptr->fmt);
}
_REPORT();
/* fail comes from scaffold.c */
return fail;
}
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