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// Copyright (C) 2009-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library 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, or (at your option)
// any later version.
// This 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 General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-require-effective-target dfp }
// ISO/IEC TR 24733 3.2.5 Initialization from coefficient and exponent.
#include <decimal/decimal>
#include <cstring>
#include <testsuite_hooks.h>
#define PASTE2(A,B) A ## B
#define PASTE(A,B) PASTE2(A,B)
#define TESTVAL_NEG(COEFF,ESIGN,EXP,SUF,NUM,SIZE) \
x = PASTE(PASTE(PASTE(PASTE(PASTE(COEFF,.),E),ESIGN),EXP),SUF); \
sll = PASTE(COEFF,LL); \
i = ESIGN EXP; \
a = PASTE(make_decimal,32) (sll, i); \
b = PASTE(make_decimal,32) (PASTE(COEFF,LL), ESIGN EXP); \
VERIFY ((std::memcmp ((void *)&x, (void *)&a, SIZE) == 0) \
&& (std::memcmp ((void *)&x, (void *)&b,SIZE) == 0));
#define TESTVAL_NONNEG(COEFF,ESIGN,EXP,SUF,NUM,SIZE) \
x = PASTE(PASTE(PASTE(PASTE(PASTE(COEFF,.),E),ESIGN),EXP),SUF); \
sll = PASTE(COEFF,LL); \
ull = PASTE(COEFF,ULL); \
i = ESIGN EXP; \
a = PASTE(make_decimal,32) (sll, i); \
b = PASTE(make_decimal,32) (PASTE(COEFF,LL), ESIGN EXP); \
c = PASTE(make_decimal,32) (ull, i); \
d = PASTE(make_decimal,32) (PASTE(COEFF,ULL), ESIGN EXP); \
VERIFY ((std::memcmp ((void *)&x, (void *)&a, SIZE) == 0) \
&& (std::memcmp ((void *)&x, (void *)&b,SIZE) == 0) \
&& (std::memcmp ((void *)&x, (void *)&c,SIZE) == 0) \
&& (std::memcmp ((void *)&x, (void *)&d,SIZE) == 0));
using namespace std::decimal;
void
make_decimal_32 (void)
{
bool test __attribute__((unused)) = true;
decimal32 a, b, c, d;
float x __attribute__((mode(SD)));
int i;
unsigned long sz = sizeof (decimal32);
volatile long long sll;
volatile unsigned long long ull;
TESTVAL_NONNEG (0, +, 0, DF, 32, sz);
TESTVAL_NONNEG (5, +, 1, DF, 32, sz);
TESTVAL_NONNEG (50, +, 0, DF, 32, sz);
TESTVAL_NONNEG (500, +, 0, DF, 32, sz);
TESTVAL_NEG (-25, -, 3, DF, 32, sz)
TESTVAL_NEG (-500, +, 0, DF, 32, sz);
TESTVAL_NONNEG (999999, +, 91, DF, 32, sz);
TESTVAL_NONNEG (1, -, 9, DF, 32, sz);
TESTVAL_NONNEG (1, -, 90, DF, 32, sz);
TESTVAL_NONNEG (1, -, 95, DF, 32, sz);
TESTVAL_NONNEG (1, -, 101, DF, 32, sz);
TESTVAL_NEG (-1, -, 101, DF, 32, sz);
}
void
make_decimal_64 (void)
{
bool test __attribute__((unused)) = true;
decimal64 a, b, c, d;
float x __attribute__((mode(DD)));
int i;
unsigned long sz = sizeof (decimal64);
volatile long long sll;
volatile unsigned long long ull;
TESTVAL_NONNEG (0, +, 0, DF, 64, sz);
TESTVAL_NONNEG (5, +, 1, DF, 64, sz);
TESTVAL_NONNEG (50, +, 0, DF, 64, sz);
TESTVAL_NONNEG (500, +, 0, DF, 64, sz);
TESTVAL_NEG (-25, -, 3, DF, 64, sz)
TESTVAL_NEG (-500, +, 0, DF, 64, sz);
TESTVAL_NONNEG (999999, +, 91, DF, 64, sz);
TESTVAL_NONNEG (1, -, 9, DF, 64, sz);
TESTVAL_NONNEG (1, -, 90, DF, 64, sz);
TESTVAL_NONNEG (1, -, 95, DF, 64, sz);
TESTVAL_NONNEG (1, -, 101, DF, 64, sz);
TESTVAL_NEG (-1, -, 101, DF, 64, sz);
}
void
make_decimal_128 (void)
{
bool test __attribute__((unused)) = true;
decimal128 a, b, c, d;
float x __attribute__((mode(TD)));
int i;
unsigned long sz = sizeof (decimal128);
volatile long long sll;
volatile unsigned long long ull;
TESTVAL_NONNEG (0, +, 0, DF, 128, sz);
TESTVAL_NONNEG (5, +, 1, DF, 128, sz);
TESTVAL_NONNEG (50, +, 0, DF, 128, sz);
TESTVAL_NONNEG (500, +, 0, DF, 128, sz);
TESTVAL_NEG (-25, -, 3, DF, 128, sz)
TESTVAL_NEG (-500, +, 0, DF, 128, sz);
TESTVAL_NONNEG (999999, +, 91, DF, 128, sz);
TESTVAL_NONNEG (1, -, 9, DF, 128, sz);
TESTVAL_NONNEG (1, -, 90, DF, 128, sz);
TESTVAL_NONNEG (1, -, 95, DF, 128, sz);
TESTVAL_NONNEG (1, -, 101, DF, 128, sz);
TESTVAL_NEG (-1, -, 101, DF, 128, sz);
}
int
main ()
{
make_decimal_32 ();
make_decimal_64 ();
make_decimal_128 ();
}
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