sysdeps/riscv/math-tests.h

   1 /* Configuration for math tests.  RISC-V version
   2    Copyright (C) 2014-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Copied from the aarch64 version
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 /* Trapping exceptions are not supported on RISC-V.  */
  21 #define EXCEPTION_ENABLE_SUPPORTED(EXCEPT)      ((EXCEPT) == 0)
  22
  23 /* Despite not supporting trapping exceptions, we support setting
  24    floating-point exception flags on hard-float targets.  These are not
  25    supported on soft-float targets.  */
  26 #ifndef __riscv_flen
  27 # define EXCEPTION_TESTS_float 0
  28 # define EXCEPTION_TESTS_double        0
  29 # define EXCEPTION_TESTS_long_double   0
  30 #endif
  31
  32 /* On soft-float targets we only support the "to nearest" rounding mode.  */
  33 #ifndef __riscv_flen
  34 # define ROUNDING_TESTS_float(MODE)             ((MODE) == FE_TONEAREST)
  35 # define ROUNDING_TESTS_double(MODE)            ((MODE) == FE_TONEAREST)
  36 # define ROUNDING_TESTS_long_double(MODE)       ((MODE) == FE_TONEAREST)
  37 #endif
  38
  39 /* RISC-V floating-point instructions do not preserve NaN payloads.  */
  40 #define SNAN_TESTS_PRESERVE_PAYLOAD     0
  41
  42 #include_next <math-tests.h>