sysdeps/generic/math-tests.h

   1 /* Configuration for math tests.  Generic version.
   2    Copyright (C) 2013-2018 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <bits/floatn.h>
  20
  21 /* Expand the appropriate macro for whether to enable tests for a
  22    given type.  */
  23 #if __HAVE_DISTINCT_FLOAT128
  24 # define MATH_TESTS_TG(PREFIX, ARGS, TYPE)                              \
  25   (sizeof (TYPE) == sizeof (float) ? PREFIX ## float ARGS               \
  26    : sizeof (TYPE) == sizeof (double) ? PREFIX ## double ARGS           \
  27    : __builtin_types_compatible_p (TYPE, _Float128) ? PREFIX ## float128 ARGS \
  28    : PREFIX ## long_double ARGS)
  29 # else
  30 # define MATH_TESTS_TG(PREFIX, ARGS, TYPE)                              \
  31   (sizeof (TYPE) == sizeof (float) ? PREFIX ## float ARGS               \
  32    : sizeof (TYPE) == sizeof (double) ? PREFIX ## double ARGS           \
  33    : PREFIX ## long_double ARGS)
  34 #endif
  35
  36 /* Return nonzero value if to run tests involving sNaN values for X.  */
  37 #define SNAN_TESTS(x) MATH_TESTS_TG (SNAN_TESTS_, , x)
  38
  39 #define ROUNDING_TESTS(TYPE, MODE)              \
  40   MATH_TESTS_TG (ROUNDING_TESTS_, (MODE), TYPE)
  41
  42 /* Indicate whether to run tests of floating-point exceptions for a
  43    given floating-point type, given that the exception macros are
  44    defined.  All are run unless overridden.  */
  45 #ifndef EXCEPTION_TESTS_float
  46 # define EXCEPTION_TESTS_float  1
  47 #endif
  48 #ifndef EXCEPTION_TESTS_double
  49 # define EXCEPTION_TESTS_double 1
  50 #endif
  51 #ifndef EXCEPTION_TESTS_long_double
  52 # define EXCEPTION_TESTS_long_double    1
  53 #endif
  54 #ifndef EXCEPTION_TESTS_float128
  55 # define EXCEPTION_TESTS_float128       1
  56 #endif
  57
  58 #define EXCEPTION_TESTS(TYPE) MATH_TESTS_TG (EXCEPTION_TESTS_, , TYPE)
  59
  60 /* Indicate whether the given exception trap(s) can be enabled
  61    in feenableexcept.  If non-zero, the traps are always supported.
  62    If zero, traps may or may not be supported depending on the
  63    target (this can be determined by checking the return value
  64    of feenableexcept).  This enables skipping of tests which use
  65    traps.  By default traps are supported unless overridden.  */
  66 #ifndef EXCEPTION_ENABLE_SUPPORTED
  67 # define EXCEPTION_ENABLE_SUPPORTED(EXCEPT)                     \
  68    (EXCEPTION_TESTS_float || EXCEPTION_TESTS_double)
  69 #endif
  70
  71 /* Indicate whether exception traps, if enabled, occur whenever an
  72    exception flag is set explicitly, so it is not possible to set flag
  73    bits with traps enabled without causing traps to be taken.  If
  74    traps cannot be enabled, the value of this macro does not
  75    matter.  */
  76 #ifndef EXCEPTION_SET_FORCES_TRAP
  77 # define EXCEPTION_SET_FORCES_TRAP 0
  78 #endif
  79
  80 #include <math-tests-rounding.h>
  81 #include <math-tests-snan.h>
  82 #include <math-tests-snan-cast.h>
  83 #include <math-tests-snan-payload.h>