(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
c2x-constexpr-9.c
       1  /* Test C2x constexpr.  Invalid code, compilation tests, IEEE arithmetic.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=c2x -pedantic-errors" } */
       4  /* { dg-add-options ieee } */
       5  /* { dg-require-effective-target inff } */
       6  
       7  /* A conversion from signaling NaN to quiet NaN in a different format or type
       8     is not valid for constexpr.  */
       9  constexpr float fns = __builtin_nans (""); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      10  constexpr double dns = __builtin_nansf (""); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      11  constexpr long double ldns = __builtin_nans (""); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      12  
      13  /* Test out-of-range values.  */
      14  constexpr float fu = __DBL_MIN__; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      15  constexpr float fo = __DBL_MAX__; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      16  constexpr float fp = 0x1.ffffffp0; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      17  
      18  constexpr _Complex float cfur = __builtin_complex (__DBL_MIN__, 0.0); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      19  constexpr _Complex float cfor = __builtin_complex (__DBL_MAX__, 0.0); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      20  constexpr _Complex float cfpr = __builtin_complex (0x1.ffffffp0, 0.0); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      21  
      22  constexpr _Complex float cfui = __builtin_complex (0.0, __DBL_MIN__); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      23  constexpr _Complex float cfoi = __builtin_complex (0.0, __DBL_MAX__); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      24  constexpr _Complex float cfpi = __builtin_complex (0.0, 0x1.ffffffp0); /* { dg-error "'constexpr' initializer not representable in type of object" } */
      25  
      26  constexpr _Complex float cfd = __DBL_MAX__; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      27  constexpr _Complex float cfi = __LONG_LONG_MAX__; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      28  
      29  void
      30  f0 ()
      31  {
      32    (constexpr float) { __builtin_nans ("") }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      33    (constexpr double) { __builtin_nansf ("") }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      34    (constexpr float) { __DBL_MIN__ }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      35    (constexpr float) { __DBL_MAX__ }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      36    (constexpr float) { 0x1.ffffffp0 }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      37    (constexpr _Complex float) { __builtin_complex (__DBL_MIN__, 0.0) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      38    (constexpr _Complex float) { __builtin_complex (__DBL_MAX__, 0.0) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      39    (constexpr _Complex float) { __builtin_complex (0x1.ffffffp0, 0.0) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      40    (constexpr _Complex float) { __builtin_complex (0.0, __DBL_MIN__) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      41    (constexpr _Complex float) { __builtin_complex (0.0, __DBL_MAX__) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      42    (constexpr _Complex float) { __builtin_complex (0.0, 0x1.ffffffp0) }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      43    (constexpr _Complex float) { __DBL_MAX__ }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      44    (constexpr _Complex float) { __LONG_LONG_MAX__ }; /* { dg-error "'constexpr' initializer not representable in type of object" } */
      45  }