misc/tst-dbl-efgcvt.c

   1 /* Tests for *cvt function, double version.
   2    Copyright (C) 1998-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <float.h>
  20
  21 #define ECVT ecvt
  22 #define FCVT fcvt
  23 #define ECVT_R ecvt_r
  24 #define FCVT_R fcvt_r
  25 #define FLOAT double
  26 #define PRINTF_CONVERSION "%f"
  27
  28 #if DBL_MANT_DIG == 53
  29 # define EXTRA_ECVT_TESTS \
  30   { 0x1p-1074, 3, -323, "494" }, \
  31   { -0x1p-1074, 3, -323, "494" },
  32 #else
  33 # define EXTRA_ECVT_TESTS
  34 #endif
  35
  36 #include <tst-efgcvt-template.c>