math/libm-test-lround.inc

   1 /* Test lround.
   2    Copyright (C) 1997-2021 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 "libm-test-driver.c"
  20
  21 static const struct test_f_l_data lround_test_data[] =
  22   {
  23     /* Bug 6797: errno setting may be missing.  */
  24     TEST_f_l (lround, plus_infty, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  25     TEST_f_l (lround, minus_infty, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  26     TEST_f_l (lround, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  27     TEST_f_l (lround, -qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  28     TEST_f_l (lround, snan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  29     TEST_f_l (lround, -snan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  30     TEST_f_l (lround, max_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  31     TEST_f_l (lround, -max_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  32 #if LONG_MAX > 0x7fffffff
  33     TEST_f_l (lround, 0x1p31, 0x80000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  34     TEST_f_l (lround, 0x1p32, 0x100000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  35     TEST_f_l (lround, 0x1p33, 0x200000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  36 #else
  37     TEST_f_l (lround, 0x1p31, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  38     TEST_f_l (lround, 0x1p32, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  39     TEST_f_l (lround, 0x1p33, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  40 #endif
  41     TEST_f_l (lround, 0x1p63, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  42     TEST_f_l (lround, 0x1p64, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  43     TEST_f_l (lround, 0x1p65, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  44     TEST_f_l (lround, -0x1p31, -0x80000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  45 #if LONG_MAX > 0x7fffffff
  46     TEST_f_l (lround, -0x1p32, -0x100000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  47     TEST_f_l (lround, -0x1p33, -0x200000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  48     TEST_f_l (lround, -0x1p63, LLONG_MIN, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  49 #else
  50     TEST_f_l (lround, -0x1p32, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  51     TEST_f_l (lround, -0x1p33, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  52     TEST_f_l (lround, -0x1p63, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  53 #endif
  54     TEST_f_l (lround, -0x1p64, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  55     TEST_f_l (lround, -0x1p65, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  56     TEST_f_l (lround, 0x7fffff80p0, 0x7fffff80LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  57 #if !TEST_COND_binary32
  58     TEST_f_l (lround, 0x7fffffffp0, 0x7fffffffLL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  59     TEST_f_l (lround, 0x7fffffff.4p0, 0x7fffffffLL, ERRNO_UNCHANGED),
  60     TEST_f_l (lround, 0x7fffffff.7ffffcp0, 0x7fffffffLL, ERRNO_UNCHANGED),
  61 # if LONG_MAX > 0x7fffffff
  62     TEST_f_l (lround, 0x7fffffff.8p0, 0x80000000LL, ERRNO_UNCHANGED),
  63     TEST_f_l (lround, 0x7fffffff.cp0, 0x80000000LL, ERRNO_UNCHANGED),
  64 # else
  65     TEST_f_l (lround, 0x7fffffff.8p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  66     TEST_f_l (lround, 0x7fffffff.cp0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  67 # endif
  68 #endif
  69 #if MANT_DIG >= 64
  70     TEST_f_l (lround, 0x7fffffff.7fffffff8p0L, 0x7fffffffLL, ERRNO_UNCHANGED),
  71 #endif
  72 #if MANT_DIG >= 106
  73     TEST_f_l (lround, 0x7fffffff.7fffffffffffffffffep0L, 0x7fffffffLL, ERRNO_UNCHANGED),
  74 #endif
  75 #if MANT_DIG >= 113
  76     TEST_f_l (lround, 0x7fffffff.7fffffffffffffffffffcp0L, 0x7fffffffLL, ERRNO_UNCHANGED),
  77 #endif
  78 #if !TEST_COND_binary32
  79     TEST_f_l (lround, -0x80000000.4p0, -0x80000000LL, ERRNO_UNCHANGED),
  80     TEST_f_l (lround, -0x80000000.7ffff8p0, -0x80000000LL, ERRNO_UNCHANGED),
  81 # if LONG_MAX > 0x7fffffff
  82     TEST_f_l (lround, -0x80000000.8p0, -0x80000001LL, ERRNO_UNCHANGED),
  83     TEST_f_l (lround, -0x80000000.cp0, -0x80000001LL, ERRNO_UNCHANGED),
  84     TEST_f_l (lround, -0x80000001p0, -0x80000001LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  85 # else
  86     TEST_f_l (lround, -0x80000000.8p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  87     TEST_f_l (lround, -0x80000000.cp0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  88     TEST_f_l (lround, -0x80000001p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  89 # endif
  90 #endif
  91 #if LONG_MAX > 0x7fffffff
  92     TEST_f_l (lround, -0x80000100p0, -0x80000100LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
  93 #else
  94     TEST_f_l (lround, -0x80000100p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
  95 #endif
  96 #if MANT_DIG >= 64
  97     TEST_f_l (lround, -0x80000000.7fffffffp0L, -0x80000000LL, ERRNO_UNCHANGED),
  98 #endif
  99 #if MANT_DIG >= 106
 100     TEST_f_l (lround, -0x80000000.7fffffffffffffffffcp0L, -0x80000000LL, ERRNO_UNCHANGED),
 101 #endif
 102 #if MANT_DIG >= 113
 103     TEST_f_l (lround, -0x80000000.7fffffffffffffffffff8p0L, -0x80000000LL, ERRNO_UNCHANGED),
 104 #endif
 105 #if LONG_MAX > 0x7fffffff
 106     TEST_f_l (lround, 0x7fffff8000000000p0, 0x7fffff8000000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 107 #else
 108     TEST_f_l (lround, 0x7fffff8000000000p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 109 #endif
 110 #if !TEST_COND_binary32
 111 # if LONG_MAX > 0x7fffffff
 112     TEST_f_l (lround, 0x7ffffffffffffc00p0, 0x7ffffffffffffc00LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 113 # else
 114     TEST_f_l (lround, 0x7ffffffffffffc00p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 115 # endif
 116 #endif
 117 #if MANT_DIG >= 64
 118 # if LONG_MAX > 0x7fffffff
 119     TEST_f_l (lround, 0x7fffffffffffffffp0L, 0x7fffffffffffffffLL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 120 # else
 121     TEST_f_l (lround, 0x7fffffffffffffffp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 122 # endif
 123     TEST_f_l (lround, 0x7fffffffffffffff.8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 124 # if MANT_DIG > 64
 125 #  if LONG_MAX > 0x7fffffff
 126     TEST_f_l (lround, 0x7fffffffffffffff.4p0L, 0x7fffffffffffffffLL, ERRNO_UNCHANGED),
 127 #  else
 128     TEST_f_l (lround, 0x7fffffffffffffff.4p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 129 #  endif
 130     TEST_f_l (lround, 0x7fffffffffffffff.cp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 131 # endif
 132 # if LONG_MAX > 0x7fffffff
 133 #  if MANT_DIG >= 106
 134     TEST_f_l (lround, 0x7fffffffffffffff.7fffffffffep0L, 0x7fffffffffffffffLL, ERRNO_UNCHANGED),
 135 #  endif
 136 #  if MANT_DIG >= 113
 137     TEST_f_l (lround, 0x7fffffffffffffff.7fffffffffffcp0L, 0x7fffffffffffffffLL, ERRNO_UNCHANGED),
 138 #  endif
 139 # else
 140 #  if MANT_DIG >= 106
 141     TEST_f_l (lround, 0x7fffffffffffffff.7fffffffffep0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 142 #  endif
 143 #  if MANT_DIG >= 113
 144     TEST_f_l (lround, 0x7fffffffffffffff.7fffffffffffcp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 145 #  endif
 146 # endif
 147 #endif
 148 #if MANT_DIG >= 64
 149     TEST_f_l (lround, -0x8000000000000001p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 150 #endif
 151 #if MANT_DIG >= 106
 152 # if LONG_MAX > 0x7fffffff
 153     TEST_f_l (lround, -0x8000000000000000.4p0L, LLONG_MIN, ERRNO_UNCHANGED),
 154     TEST_f_l (lround, -0x8000000000000000.7fffffffffcp0L, LLONG_MIN, ERRNO_UNCHANGED),
 155 # else
 156     TEST_f_l (lround, -0x8000000000000000.4p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 157     TEST_f_l (lround, -0x8000000000000000.7fffffffffcp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 158 # endif
 159     TEST_f_l (lround, -0x8000000000000000.8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 160     TEST_f_l (lround, -0x8000000000000000.cp0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 161 #endif
 162     TEST_f_l (lround, -0x8000010000000000p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 163 #if !TEST_COND_binary32
 164     TEST_f_l (lround, -0x8000000000000800p0, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 165 #endif
 166 #if MANT_DIG >= 113
 167 # if LONG_MAX > 0x7fffffff
 168     TEST_f_l (lround, -0x8000000000000000.7fffffffffff8p0L, LLONG_MIN, ERRNO_UNCHANGED),
 169 # else
 170     TEST_f_l (lround, -0x8000000000000000.7fffffffffff8p0L, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 171 # endif
 172 #endif
 173     TEST_f_l (lround, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 174     TEST_f_l (lround, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 175     TEST_f_l (lround, min_value, 0.0, ERRNO_UNCHANGED),
 176     TEST_f_l (lround, -min_value, 0, ERRNO_UNCHANGED),
 177     TEST_f_l (lround, min_subnorm_value, 0.0, ERRNO_UNCHANGED),
 178     TEST_f_l (lround, -min_subnorm_value, 0, ERRNO_UNCHANGED),
 179     TEST_f_l (lround, 0.2L, 0.0, ERRNO_UNCHANGED),
 180     TEST_f_l (lround, -0.2L, 0, ERRNO_UNCHANGED),
 181     TEST_f_l (lround, 0.5, 1, ERRNO_UNCHANGED),
 182     TEST_f_l (lround, -0.5, -1, ERRNO_UNCHANGED),
 183     TEST_f_l (lround, 0.8L, 1, ERRNO_UNCHANGED),
 184     TEST_f_l (lround, -0.8L, -1, ERRNO_UNCHANGED),
 185     TEST_f_l (lround, 1.5, 2, ERRNO_UNCHANGED),
 186     TEST_f_l (lround, -1.5, -2, ERRNO_UNCHANGED),
 187     TEST_f_l (lround, 22514.5, 22515, ERRNO_UNCHANGED),
 188     TEST_f_l (lround, -22514.5, -22515, ERRNO_UNCHANGED),
 189     TEST_f_l (lround, 1071930.0008, 1071930, ERRNO_UNCHANGED),
 190     TEST_f_l (lround, 2097152.5, 2097153, ERRNO_UNCHANGED),
 191     TEST_f_l (lround, -2097152.5, -2097153, ERRNO_UNCHANGED),
 192 #if !TEST_COND_binary32
 193     TEST_f_l (lround, 1073741824.01, 1073741824, ERRNO_UNCHANGED),
 194 # if LONG_MAX > 0x7fffffff
 195     TEST_f_l (lround, 34359738368.5, 34359738369ll, ERRNO_UNCHANGED),
 196     TEST_f_l (lround, -34359738368.5, -34359738369ll, ERRNO_UNCHANGED),
 197     TEST_f_l (lround, -3.65309740835E17, -365309740835000000LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 198     TEST_f_l (lround, 281474976710656.025, 281474976710656, ERRNO_UNCHANGED),
 199     TEST_f_l (lround, 18014398509481974, 18014398509481974, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 200 # endif
 201 #endif
 202
 203     /* Test boundary conditions.  */
 204     /* 0x1FFFFF */
 205     TEST_f_l (lround, 2097151.0, 2097151LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 206     /* 0x800000 */
 207     TEST_f_l (lround, 8388608.0, 8388608LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 208     /* 0x1000000 */
 209     TEST_f_l (lround, 16777216.0, 16777216LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 210 #if LONG_MAX > 0x7fffffff
 211     /* 0x20000000000 */
 212     TEST_f_l (lround, 2199023255552.0, 2199023255552LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 213     /* 0x40000000000 */
 214     TEST_f_l (lround, 4398046511104.0, 4398046511104LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 215     /* 0x1000000000000 */
 216     TEST_f_l (lround, 281474976710656.0, 281474976710656LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 217     /* 0x10000000000000 */
 218     TEST_f_l (lround, 4503599627370496.0, 4503599627370496LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 219     /* 0x10000080000000 */
 220     TEST_f_l (lround, 4503601774854144.0, 4503601774854144LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 221     /* 0x20000000000000 */
 222     TEST_f_l (lround, 9007199254740992.0, 9007199254740992LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 223     /* 0x80000000000000 */
 224     TEST_f_l (lround, 36028797018963968.0, 36028797018963968LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 225     /* 0x100000000000000 */
 226     TEST_f_l (lround, 72057594037927936.0, 72057594037927936LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 227 #endif
 228
 229 #if !TEST_COND_binary32
 230 # if LONG_MAX > 0x7fffffff
 231     /* 0x100000000 */
 232     TEST_f_l (lround, 4294967295.5, 4294967296LL, ERRNO_UNCHANGED),
 233     /* 0x200000000 */
 234     TEST_f_l (lround, 8589934591.5, 8589934592LL, ERRNO_UNCHANGED),
 235 # endif
 236
 237     /* nextafter(0.5,-1)  */
 238     TEST_f_l (lround, 0x1.fffffffffffffp-2, 0, ERRNO_UNCHANGED),
 239     /* nextafter(-0.5,1)  */
 240     TEST_f_l (lround, -0x1.fffffffffffffp-2, 0, ERRNO_UNCHANGED),
 241 # if LONG_MAX > 0x7fffffff
 242     /* On PowerPC an exponent of '52' is the largest incrementally
 243      * representable sequence of whole-numbers in the 'double' range.  We test
 244      * lround to make sure that a guard bit set during the lround operation
 245      * hasn't forced an erroneous shift giving us an incorrect result.  The odd
 246      * numbers between +-(2^52+1 and 2^53-1) are affected since they have the
 247      * rightmost bit set.  */
 248     /* +-(2^52+1)  */
 249     TEST_f_l (lround, 0x1.0000000000001p+52, 4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 250     TEST_f_l (lround, -0x1.0000000000001p+52, -4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 251     /* +-(2^53-1): Input is the last (positive and negative) incrementally
 252      * representable whole-number in the 'double' range that might round
 253      * erroneously.  */
 254     TEST_f_l (lround, 0x1.fffffffffffffp+52, 9007199254740991LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 255     TEST_f_l (lround, -0x1.fffffffffffffp+52, -9007199254740991LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 256 # endif
 257 #endif
 258     TEST_f_l (lround, 0x1.fffffp-2, 0, ERRNO_UNCHANGED),
 259     /* nextafter(0.5,-1)  */
 260     TEST_f_l (lround, 0x1.fffffep-2, 0, ERRNO_UNCHANGED),
 261     TEST_f_l (lround, -0x1.fffffp-2, 0, ERRNO_UNCHANGED),
 262     /* nextafter(-0.5,1)  */
 263     TEST_f_l (lround, -0x1.fffffep-2, 0, ERRNO_UNCHANGED),
 264     TEST_f_l (lround, 0x1.fffffep+23, 16777215, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 265     TEST_f_l (lround, -0x1.fffffep+23, -16777215, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 266     /* As above, on PowerPC an exponent of '23' is the largest incrementally
 267      * representable sequence of whole-numbers in the 'float' range.
 268      * Likewise, numbers between +-(2^23+1 and 2^24-1) are affected.  */
 269     TEST_f_l (lround, 0x1.000002p+23, 8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 270     TEST_f_l (lround, -0x1.000002p+23, -8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 271     TEST_f_l (lround, 0x1.fffffep+23, 16777215, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 272     TEST_f_l (lround, -0x1.fffffep+23, -16777215, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 273
 274 #if LONG_MAX > 0x7fffffff
 275 # if MANT_DIG >= 64
 276     /* The input can only be represented in long double.  */
 277     TEST_f_l (lround, 4503599627370495.5L, 4503599627370496LL, ERRNO_UNCHANGED),
 278     TEST_f_l (lround, 4503599627370496.25L, 4503599627370496LL, ERRNO_UNCHANGED),
 279     TEST_f_l (lround, 4503599627370496.5L, 4503599627370497LL, ERRNO_UNCHANGED),
 280     TEST_f_l (lround, 4503599627370496.75L, 4503599627370497LL, ERRNO_UNCHANGED),
 281     TEST_f_l (lround, 4503599627370497.5L, 4503599627370498LL, ERRNO_UNCHANGED),
 282
 283 #  if MANT_DIG > 100
 284     TEST_f_l (lround, 4503599627370495.4999999999999L, 4503599627370495LL, ERRNO_UNCHANGED),
 285     TEST_f_l (lround, 4503599627370496.4999999999999L, 4503599627370496LL, ERRNO_UNCHANGED),
 286     TEST_f_l (lround, 4503599627370497.4999999999999L, 4503599627370497LL, ERRNO_UNCHANGED),
 287     TEST_f_l (lround, 4503599627370494.5000000000001L, 4503599627370495LL, ERRNO_UNCHANGED),
 288     TEST_f_l (lround, 4503599627370495.5000000000001L, 4503599627370496LL, ERRNO_UNCHANGED),
 289     TEST_f_l (lround, 4503599627370496.5000000000001L, 4503599627370497LL, ERRNO_UNCHANGED),
 290
 291     TEST_f_l (lround, -4503599627370495.4999999999999L, -4503599627370495LL, ERRNO_UNCHANGED),
 292     TEST_f_l (lround, -4503599627370496.4999999999999L, -4503599627370496LL, ERRNO_UNCHANGED),
 293     TEST_f_l (lround, -4503599627370497.4999999999999L, -4503599627370497LL, ERRNO_UNCHANGED),
 294     TEST_f_l (lround, -4503599627370494.5000000000001L, -4503599627370495LL, ERRNO_UNCHANGED),
 295     TEST_f_l (lround, -4503599627370495.5000000000001L, -4503599627370496LL, ERRNO_UNCHANGED),
 296     TEST_f_l (lround, -4503599627370496.5000000000001L, -4503599627370497LL, ERRNO_UNCHANGED),
 297 #  endif
 298
 299     TEST_f_l (lround, -4503599627370495.5L, -4503599627370496LL, ERRNO_UNCHANGED),
 300     TEST_f_l (lround, -4503599627370496.25L, -4503599627370496LL, ERRNO_UNCHANGED),
 301     TEST_f_l (lround, -4503599627370496.5L, -4503599627370497LL, ERRNO_UNCHANGED),
 302     TEST_f_l (lround, -4503599627370496.75L, -4503599627370497LL, ERRNO_UNCHANGED),
 303     TEST_f_l (lround, -4503599627370497.5L, -4503599627370498LL, ERRNO_UNCHANGED),
 304
 305     TEST_f_l (lround, 9007199254740991.5L, 9007199254740992LL, ERRNO_UNCHANGED),
 306     TEST_f_l (lround, 9007199254740992.25L, 9007199254740992LL, ERRNO_UNCHANGED),
 307     TEST_f_l (lround, 9007199254740992.5L, 9007199254740993LL, ERRNO_UNCHANGED),
 308     TEST_f_l (lround, 9007199254740992.75L, 9007199254740993LL, ERRNO_UNCHANGED),
 309     TEST_f_l (lround, 9007199254740993.5L, 9007199254740994LL, ERRNO_UNCHANGED),
 310
 311 #  if MANT_DIG > 100
 312     TEST_f_l (lround, 9007199254740991.4999999999999L, 9007199254740991LL, ERRNO_UNCHANGED),
 313     TEST_f_l (lround, 9007199254740992.4999999999999L, 9007199254740992LL, ERRNO_UNCHANGED),
 314     TEST_f_l (lround, 9007199254740993.4999999999999L, 9007199254740993LL, ERRNO_UNCHANGED),
 315     TEST_f_l (lround, 9007199254740991.5000000000001L, 9007199254740992LL, ERRNO_UNCHANGED),
 316     TEST_f_l (lround, 9007199254740992.5000000000001L, 9007199254740993LL, ERRNO_UNCHANGED),
 317     TEST_f_l (lround, 9007199254740993.5000000000001L, 9007199254740994LL, ERRNO_UNCHANGED),
 318
 319     TEST_f_l (lround, -9007199254740991.4999999999999L, -9007199254740991LL, ERRNO_UNCHANGED),
 320     TEST_f_l (lround, -9007199254740992.4999999999999L, -9007199254740992LL, ERRNO_UNCHANGED),
 321     TEST_f_l (lround, -9007199254740993.4999999999999L, -9007199254740993LL, ERRNO_UNCHANGED),
 322     TEST_f_l (lround, -9007199254740991.5000000000001L, -9007199254740992LL, ERRNO_UNCHANGED),
 323     TEST_f_l (lround, -9007199254740992.5000000000001L, -9007199254740993LL, ERRNO_UNCHANGED),
 324     TEST_f_l (lround, -9007199254740993.5000000000001L, -9007199254740994LL, ERRNO_UNCHANGED),
 325 #  endif
 326
 327     TEST_f_l (lround, -9007199254740991.5L, -9007199254740992LL, ERRNO_UNCHANGED),
 328     TEST_f_l (lround, -9007199254740992.25L, -9007199254740992LL, ERRNO_UNCHANGED),
 329     TEST_f_l (lround, -9007199254740992.5L, -9007199254740993LL, ERRNO_UNCHANGED),
 330     TEST_f_l (lround, -9007199254740992.75L, -9007199254740993LL, ERRNO_UNCHANGED),
 331     TEST_f_l (lround, -9007199254740993.5L, -9007199254740994LL, ERRNO_UNCHANGED),
 332
 333     TEST_f_l (lround, 72057594037927935.5L, 72057594037927936LL, ERRNO_UNCHANGED),
 334     TEST_f_l (lround, 72057594037927936.25L, 72057594037927936LL, ERRNO_UNCHANGED),
 335     TEST_f_l (lround, 72057594037927936.5L, 72057594037927937LL, ERRNO_UNCHANGED),
 336     TEST_f_l (lround, 72057594037927936.75L, 72057594037927937LL, ERRNO_UNCHANGED),
 337     TEST_f_l (lround, 72057594037927937.5L, 72057594037927938LL, ERRNO_UNCHANGED),
 338
 339     TEST_f_l (lround, -72057594037927935.5L, -72057594037927936LL, ERRNO_UNCHANGED),
 340     TEST_f_l (lround, -72057594037927936.25L, -72057594037927936LL, ERRNO_UNCHANGED),
 341     TEST_f_l (lround, -72057594037927936.5L, -72057594037927937LL, ERRNO_UNCHANGED),
 342     TEST_f_l (lround, -72057594037927936.75L, -72057594037927937LL, ERRNO_UNCHANGED),
 343     TEST_f_l (lround, -72057594037927937.5L, -72057594037927938LL, ERRNO_UNCHANGED),
 344
 345     TEST_f_l (lround, 9223372036854775806.25L, 9223372036854775806LL, ERRNO_UNCHANGED),
 346     TEST_f_l (lround, -9223372036854775806.25L, -9223372036854775806LL, ERRNO_UNCHANGED),
 347     TEST_f_l (lround, 9223372036854775806.5L, 9223372036854775807LL, ERRNO_UNCHANGED),
 348     TEST_f_l (lround, -9223372036854775806.5L, -9223372036854775807LL, ERRNO_UNCHANGED),
 349     TEST_f_l (lround, 9223372036854775807.0L, 9223372036854775807LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 350     TEST_f_l (lround, -9223372036854775807.0L, -9223372036854775807LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 351 # endif
 352 #endif
 353   };
 354
 355 static void
 356 lround_test (void)
 357 {
 358   ALL_RM_TEST (lround, 1, lround_test_data, RUN_TEST_LOOP_f_l, END);
 359 }
 360
 361 static void
 362 do_test (void)
 363 {
 364   lround_test ();
 365 }
 366
 367 /*
 368  * Local Variables:
 369  * mode:c
 370  * End:
 371  */