diff options
Diffstat (limited to 'libstdc++-v3/testsuite/decimal/make-decimal.cc')
| -rw-r--r-- | libstdc++-v3/testsuite/decimal/make-decimal.cc | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/decimal/make-decimal.cc b/libstdc++-v3/testsuite/decimal/make-decimal.cc new file mode 100644 index 000000000..be4fa4632 --- /dev/null +++ b/libstdc++-v3/testsuite/decimal/make-decimal.cc @@ -0,0 +1,132 @@ +// Copyright (C) 2009 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 ((__builtin_memcmp ((void *)&x, (void *)&a, SIZE) == 0) \ + && (__builtin_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 ((__builtin_memcmp ((void *)&x, (void *)&a, SIZE) == 0) \ + && (__builtin_memcmp ((void *)&x, (void *)&b,SIZE) == 0) \ + && (__builtin_memcmp ((void *)&x, (void *)&c,SIZE) == 0) \ + && (__builtin_memcmp ((void *)&x, (void *)&d,SIZE) == 0)); + +using namespace std::decimal; + +void +make_decimal_32 (void) +{ + 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) +{ + 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) +{ + 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 (); +} |