On 15/07/2023 06:55, Ken Matsui via Libstdc++ wrote:
> This patch implements built-in trait for std::is_arithmetic.
>
> gcc/cp/ChangeLog:
>
> * cp-trait.def: Define __is_arithmetic.
> * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_ARITHMETIC.
> * semantics.cc (trait_expr_value): Likewise.
> (finish_trait_expr): Likewise.
>
> gcc/testsuite/ChangeLog:
>
> * g++.dg/ext/has-builtin-1.C: Test existence of __is_arithmetic.
> * g++.dg/ext/is_arithmetic.C: New test.
> * g++.dg/tm/pr46567.C (__is_arithmetic): Rename to ...
> (____is_arithmetic): ... this.
> * g++.dg/torture/pr57107.C: Likewise.
>
> libstdc++-v3/ChangeLog:
>
> * include/bits/cpp_type_traits.h (__is_arithmetic): Rename to ...
> (____is_arithmetic): ... this.
> * include/c_global/cmath: Use ____is_arithmetic instead.
> * include/c_std/cmath: Likewise.
> * include/tr1/cmath: Likewise.
>
> Signed-off-by: Ken Matsui <kmatsui@gcc.gnu.org>
> ---
> gcc/cp/constraint.cc | 3 ++
> gcc/cp/cp-trait.def | 1 +
> gcc/cp/semantics.cc | 4 ++
> gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 ++
> gcc/testsuite/g++.dg/ext/is_arithmetic.C | 33 ++++++++++++++
> gcc/testsuite/g++.dg/tm/pr46567.C | 6 +--
> gcc/testsuite/g++.dg/torture/pr57107.C | 4 +-
> libstdc++-v3/include/bits/cpp_type_traits.h | 4 +-
> libstdc++-v3/include/c_global/cmath | 48 ++++++++++-----------
> libstdc++-v3/include/c_std/cmath | 24 +++++------
> libstdc++-v3/include/tr1/cmath | 24 +++++------
> 11 files changed, 99 insertions(+), 55 deletions(-)
> create mode 100644 gcc/testsuite/g++.dg/ext/is_arithmetic.C
>
> diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc
> index 8cf0f2d0974..bd517d08843 100644
> --- a/gcc/cp/constraint.cc
> +++ b/gcc/cp/constraint.cc
> @@ -3754,6 +3754,9 @@ diagnose_trait_expr (tree expr, tree args)
> case CPTK_IS_AGGREGATE:
> inform (loc, " %qT is not an aggregate", t1);
> break;
> + case CPTK_IS_ARITHMETIC:
> + inform (loc, " %qT is not an arithmetic type", t1);
> + break;
> case CPTK_IS_TRIVIALLY_COPYABLE:
> inform (loc, " %qT is not trivially copyable", t1);
> break;
> diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def
> index 8b7fece0cc8..a95aeeaf778 100644
> --- a/gcc/cp/cp-trait.def
> +++ b/gcc/cp/cp-trait.def
> @@ -82,6 +82,7 @@ DEFTRAIT_EXPR (IS_TRIVIALLY_ASSIGNABLE, "__is_trivially_assignable", 2)
> DEFTRAIT_EXPR (IS_TRIVIALLY_CONSTRUCTIBLE, "__is_trivially_constructible", -1)
> DEFTRAIT_EXPR (IS_TRIVIALLY_COPYABLE, "__is_trivially_copyable", 1)
> DEFTRAIT_EXPR (IS_UNION, "__is_union", 1)
> +DEFTRAIT_EXPR (IS_ARITHMETIC, "__is_arithmetic", 1)
> DEFTRAIT_EXPR (REF_CONSTRUCTS_FROM_TEMPORARY, "__reference_constructs_from_temporary", 2)
> DEFTRAIT_EXPR (REF_CONVERTS_FROM_TEMPORARY, "__reference_converts_from_temporary", 2)
> /* FIXME Added space to avoid direct usage in GCC 13. */
> diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc
> index 8fb47fd179e..4531f047d73 100644
> --- a/gcc/cp/semantics.cc
> +++ b/gcc/cp/semantics.cc
> @@ -12118,6 +12118,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2)
> case CPTK_IS_UNION:
> return type_code1 == UNION_TYPE;
>
> + case CPTK_IS_ARITHMETIC:
> + return ARITHMETIC_TYPE_P (type1);
> +
> case CPTK_IS_ASSIGNABLE:
> return is_xible (MODIFY_EXPR, type1, type2);
>
> @@ -12296,6 +12299,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, tree type1, tree type2)
> case CPTK_IS_ENUM:
> case CPTK_IS_UNION:
> case CPTK_IS_SAME:
> + case CPTK_IS_ARITHMETIC:
> break;
>
> case CPTK_IS_LAYOUT_COMPATIBLE:
> diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> index f343e153e56..3d63b0101d1 100644
> --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> @@ -146,3 +146,6 @@
> #if !__has_builtin (__remove_cvref)
> # error "__has_builtin (__remove_cvref) failed"
> #endif
> +#if !__has_builtin (__is_arithmetic)
> +# error "__has_builtin (__is_arithmetic) failed"
> +#endif
> diff --git a/gcc/testsuite/g++.dg/ext/is_arithmetic.C b/gcc/testsuite/g++.dg/ext/is_arithmetic.C
> new file mode 100644
> index 00000000000..fd35831f646
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/ext/is_arithmetic.C
> @@ -0,0 +1,33 @@
> +// { dg-do compile { target c++11 } }
> +
> +#include <testsuite_tr1.h>
> +
> +using namespace __gnu_test;
> +
> +#define SA(X) static_assert((X),#X)
> +#define SA_TEST_CATEGORY(TRAIT, TYPE, EXPECT) \
> + SA(TRAIT(TYPE) == EXPECT); \
> + SA(TRAIT(const TYPE) == EXPECT); \
> + SA(TRAIT(volatile TYPE) == EXPECT); \
> + SA(TRAIT(const volatile TYPE) == EXPECT)
> +
> +SA_TEST_CATEGORY(__is_arithmetic, void, false);
> +
> +SA_TEST_CATEGORY(__is_arithmetic, char, true);
> +SA_TEST_CATEGORY(__is_arithmetic, signed char, true);
> +SA_TEST_CATEGORY(__is_arithmetic, unsigned char, true);
> +SA_TEST_CATEGORY(__is_arithmetic, wchar_t, true);
> +SA_TEST_CATEGORY(__is_arithmetic, short, true);
> +SA_TEST_CATEGORY(__is_arithmetic, unsigned short, true);
> +SA_TEST_CATEGORY(__is_arithmetic, int, true);
> +SA_TEST_CATEGORY(__is_arithmetic, unsigned int, true);
> +SA_TEST_CATEGORY(__is_arithmetic, long, true);
> +SA_TEST_CATEGORY(__is_arithmetic, unsigned long, true);
> +SA_TEST_CATEGORY(__is_arithmetic, long long, true);
> +SA_TEST_CATEGORY(__is_arithmetic, unsigned long long, true);
> +SA_TEST_CATEGORY(__is_arithmetic, float, true);
> +SA_TEST_CATEGORY(__is_arithmetic, double, true);
> +SA_TEST_CATEGORY(__is_arithmetic, long double, true);
> +
> +// Sanity check.
> +SA_TEST_CATEGORY(__is_arithmetic, ClassType, false);
> diff --git a/gcc/testsuite/g++.dg/tm/pr46567.C b/gcc/testsuite/g++.dg/tm/pr46567.C
> index 6d791484448..b16f7b685e7 100644
> --- a/gcc/testsuite/g++.dg/tm/pr46567.C
> +++ b/gcc/testsuite/g++.dg/tm/pr46567.C
> @@ -217,16 +217,16 @@ namespace std __attribute__ ((__visibility__ ("default"))) {
> typedef __true_type __type;
> };
> template<typename _Tp>
> - struct __is_arithmetic
> + struct ____is_arithmetic
> : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> >
> { };
> template<typename _Tp>
> struct __is_fundamental
> - : public __traitor<__is_void<_Tp>, __is_arithmetic<_Tp> >
> + : public __traitor<__is_void<_Tp>, ____is_arithmetic<_Tp> >
> { };
> template<typename _Tp>
> struct __is_scalar
> - : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> >
> + : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> >
> { };
> template<typename _Tp>
> struct __is_char
> diff --git a/gcc/testsuite/g++.dg/torture/pr57107.C b/gcc/testsuite/g++.dg/torture/pr57107.C
> index 4dbd32bd298..4329a6eb4e1 100644
> --- a/gcc/testsuite/g++.dg/torture/pr57107.C
> +++ b/gcc/testsuite/g++.dg/torture/pr57107.C
> @@ -25,9 +25,9 @@ namespace std __attribute__ ((__visibility__ ("default"))) {
> enum {
> __value = 0 };
> };
> - template<typename _Tp> struct __is_arithmetic : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> > {
> + template<typename _Tp> struct ____is_arithmetic : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> > {
> };
> - template<typename _Tp> struct __is_scalar : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> > {
> + template<typename _Tp> struct __is_scalar : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> > {
> };
> }
> namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) {
> diff --git a/libstdc++-v3/include/bits/cpp_type_traits.h b/libstdc++-v3/include/bits/cpp_type_traits.h
> index 4312f32a4e0..95c55433c81 100644
> --- a/libstdc++-v3/include/bits/cpp_type_traits.h
> +++ b/libstdc++-v3/include/bits/cpp_type_traits.h
> @@ -381,7 +381,7 @@ __INT_N(__GLIBCXX_TYPE_INT_N_3)
> // An arithmetic type is an integer type or a floating point type
> //
> template<typename _Tp>
> - struct __is_arithmetic
> + struct ____is_arithmetic
I think Jonathan's remark about avoiding the 4 '_' also applies here.
So rather '__is_arithmetic_type' or even '__is_arithmetic_t'.
On Sun, Jul 16, 2023 at 5:28 AM François Dumont <frs.dumont@gmail.com> wrote:
>
>
> On 15/07/2023 06:55, Ken Matsui via Libstdc++ wrote:
> > This patch implements built-in trait for std::is_arithmetic.
> >
> > gcc/cp/ChangeLog:
> >
> > * cp-trait.def: Define __is_arithmetic.
> > * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_ARITHMETIC.
> > * semantics.cc (trait_expr_value): Likewise.
> > (finish_trait_expr): Likewise.
> >
> > gcc/testsuite/ChangeLog:
> >
> > * g++.dg/ext/has-builtin-1.C: Test existence of __is_arithmetic.
> > * g++.dg/ext/is_arithmetic.C: New test.
> > * g++.dg/tm/pr46567.C (__is_arithmetic): Rename to ...
> > (____is_arithmetic): ... this.
> > * g++.dg/torture/pr57107.C: Likewise.
> >
> > libstdc++-v3/ChangeLog:
> >
> > * include/bits/cpp_type_traits.h (__is_arithmetic): Rename to ...
> > (____is_arithmetic): ... this.
> > * include/c_global/cmath: Use ____is_arithmetic instead.
> > * include/c_std/cmath: Likewise.
> > * include/tr1/cmath: Likewise.
> >
> > Signed-off-by: Ken Matsui <kmatsui@gcc.gnu.org>
> > ---
> > gcc/cp/constraint.cc | 3 ++
> > gcc/cp/cp-trait.def | 1 +
> > gcc/cp/semantics.cc | 4 ++
> > gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 ++
> > gcc/testsuite/g++.dg/ext/is_arithmetic.C | 33 ++++++++++++++
> > gcc/testsuite/g++.dg/tm/pr46567.C | 6 +--
> > gcc/testsuite/g++.dg/torture/pr57107.C | 4 +-
> > libstdc++-v3/include/bits/cpp_type_traits.h | 4 +-
> > libstdc++-v3/include/c_global/cmath | 48 ++++++++++-----------
> > libstdc++-v3/include/c_std/cmath | 24 +++++------
> > libstdc++-v3/include/tr1/cmath | 24 +++++------
> > 11 files changed, 99 insertions(+), 55 deletions(-)
> > create mode 100644 gcc/testsuite/g++.dg/ext/is_arithmetic.C
> >
> > diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc
> > index 8cf0f2d0974..bd517d08843 100644
> > --- a/gcc/cp/constraint.cc
> > +++ b/gcc/cp/constraint.cc
> > @@ -3754,6 +3754,9 @@ diagnose_trait_expr (tree expr, tree args)
> > case CPTK_IS_AGGREGATE:
> > inform (loc, " %qT is not an aggregate", t1);
> > break;
> > + case CPTK_IS_ARITHMETIC:
> > + inform (loc, " %qT is not an arithmetic type", t1);
> > + break;
> > case CPTK_IS_TRIVIALLY_COPYABLE:
> > inform (loc, " %qT is not trivially copyable", t1);
> > break;
> > diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def
> > index 8b7fece0cc8..a95aeeaf778 100644
> > --- a/gcc/cp/cp-trait.def
> > +++ b/gcc/cp/cp-trait.def
> > @@ -82,6 +82,7 @@ DEFTRAIT_EXPR (IS_TRIVIALLY_ASSIGNABLE, "__is_trivially_assignable", 2)
> > DEFTRAIT_EXPR (IS_TRIVIALLY_CONSTRUCTIBLE, "__is_trivially_constructible", -1)
> > DEFTRAIT_EXPR (IS_TRIVIALLY_COPYABLE, "__is_trivially_copyable", 1)
> > DEFTRAIT_EXPR (IS_UNION, "__is_union", 1)
> > +DEFTRAIT_EXPR (IS_ARITHMETIC, "__is_arithmetic", 1)
> > DEFTRAIT_EXPR (REF_CONSTRUCTS_FROM_TEMPORARY, "__reference_constructs_from_temporary", 2)
> > DEFTRAIT_EXPR (REF_CONVERTS_FROM_TEMPORARY, "__reference_converts_from_temporary", 2)
> > /* FIXME Added space to avoid direct usage in GCC 13. */
> > diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc
> > index 8fb47fd179e..4531f047d73 100644
> > --- a/gcc/cp/semantics.cc
> > +++ b/gcc/cp/semantics.cc
> > @@ -12118,6 +12118,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2)
> > case CPTK_IS_UNION:
> > return type_code1 == UNION_TYPE;
> >
> > + case CPTK_IS_ARITHMETIC:
> > + return ARITHMETIC_TYPE_P (type1);
> > +
> > case CPTK_IS_ASSIGNABLE:
> > return is_xible (MODIFY_EXPR, type1, type2);
> >
> > @@ -12296,6 +12299,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, tree type1, tree type2)
> > case CPTK_IS_ENUM:
> > case CPTK_IS_UNION:
> > case CPTK_IS_SAME:
> > + case CPTK_IS_ARITHMETIC:
> > break;
> >
> > case CPTK_IS_LAYOUT_COMPATIBLE:
> > diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> > index f343e153e56..3d63b0101d1 100644
> > --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> > +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> > @@ -146,3 +146,6 @@
> > #if !__has_builtin (__remove_cvref)
> > # error "__has_builtin (__remove_cvref) failed"
> > #endif
> > +#if !__has_builtin (__is_arithmetic)
> > +# error "__has_builtin (__is_arithmetic) failed"
> > +#endif
> > diff --git a/gcc/testsuite/g++.dg/ext/is_arithmetic.C b/gcc/testsuite/g++.dg/ext/is_arithmetic.C
> > new file mode 100644
> > index 00000000000..fd35831f646
> > --- /dev/null
> > +++ b/gcc/testsuite/g++.dg/ext/is_arithmetic.C
> > @@ -0,0 +1,33 @@
> > +// { dg-do compile { target c++11 } }
> > +
> > +#include <testsuite_tr1.h>
> > +
> > +using namespace __gnu_test;
> > +
> > +#define SA(X) static_assert((X),#X)
> > +#define SA_TEST_CATEGORY(TRAIT, TYPE, EXPECT) \
> > + SA(TRAIT(TYPE) == EXPECT); \
> > + SA(TRAIT(const TYPE) == EXPECT); \
> > + SA(TRAIT(volatile TYPE) == EXPECT); \
> > + SA(TRAIT(const volatile TYPE) == EXPECT)
> > +
> > +SA_TEST_CATEGORY(__is_arithmetic, void, false);
> > +
> > +SA_TEST_CATEGORY(__is_arithmetic, char, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, signed char, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, unsigned char, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, wchar_t, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, short, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, unsigned short, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, int, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, unsigned int, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, long, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, unsigned long, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, long long, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, unsigned long long, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, float, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, double, true);
> > +SA_TEST_CATEGORY(__is_arithmetic, long double, true);
> > +
> > +// Sanity check.
> > +SA_TEST_CATEGORY(__is_arithmetic, ClassType, false);
> > diff --git a/gcc/testsuite/g++.dg/tm/pr46567.C b/gcc/testsuite/g++.dg/tm/pr46567.C
> > index 6d791484448..b16f7b685e7 100644
> > --- a/gcc/testsuite/g++.dg/tm/pr46567.C
> > +++ b/gcc/testsuite/g++.dg/tm/pr46567.C
> > @@ -217,16 +217,16 @@ namespace std __attribute__ ((__visibility__ ("default"))) {
> > typedef __true_type __type;
> > };
> > template<typename _Tp>
> > - struct __is_arithmetic
> > + struct ____is_arithmetic
> > : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> >
> > { };
> > template<typename _Tp>
> > struct __is_fundamental
> > - : public __traitor<__is_void<_Tp>, __is_arithmetic<_Tp> >
> > + : public __traitor<__is_void<_Tp>, ____is_arithmetic<_Tp> >
> > { };
> > template<typename _Tp>
> > struct __is_scalar
> > - : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> >
> > + : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> >
> > { };
> > template<typename _Tp>
> > struct __is_char
> > diff --git a/gcc/testsuite/g++.dg/torture/pr57107.C b/gcc/testsuite/g++.dg/torture/pr57107.C
> > index 4dbd32bd298..4329a6eb4e1 100644
> > --- a/gcc/testsuite/g++.dg/torture/pr57107.C
> > +++ b/gcc/testsuite/g++.dg/torture/pr57107.C
> > @@ -25,9 +25,9 @@ namespace std __attribute__ ((__visibility__ ("default"))) {
> > enum {
> > __value = 0 };
> > };
> > - template<typename _Tp> struct __is_arithmetic : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> > {
> > + template<typename _Tp> struct ____is_arithmetic : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> > {
> > };
> > - template<typename _Tp> struct __is_scalar : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> > {
> > + template<typename _Tp> struct __is_scalar : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> > {
> > };
> > }
> > namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) {
> > diff --git a/libstdc++-v3/include/bits/cpp_type_traits.h b/libstdc++-v3/include/bits/cpp_type_traits.h
> > index 4312f32a4e0..95c55433c81 100644
> > --- a/libstdc++-v3/include/bits/cpp_type_traits.h
> > +++ b/libstdc++-v3/include/bits/cpp_type_traits.h
> > @@ -381,7 +381,7 @@ __INT_N(__GLIBCXX_TYPE_INT_N_3)
> > // An arithmetic type is an integer type or a floating point type
> > //
> > template<typename _Tp>
> > - struct __is_arithmetic
> > + struct ____is_arithmetic
>
> I think Jonathan's remark about avoiding the 4 '_' also applies here.
>
> So rather '__is_arithmetic_type' or even '__is_arithmetic_t'.
>
Oh, thank you for pointing that out! I will fix it.
@@ -3754,6 +3754,9 @@ diagnose_trait_expr (tree expr, tree args)
case CPTK_IS_AGGREGATE:
inform (loc, " %qT is not an aggregate", t1);
break;
+ case CPTK_IS_ARITHMETIC:
+ inform (loc, " %qT is not an arithmetic type", t1);
+ break;
case CPTK_IS_TRIVIALLY_COPYABLE:
inform (loc, " %qT is not trivially copyable", t1);
break;
@@ -82,6 +82,7 @@ DEFTRAIT_EXPR (IS_TRIVIALLY_ASSIGNABLE, "__is_trivially_assignable", 2)
DEFTRAIT_EXPR (IS_TRIVIALLY_CONSTRUCTIBLE, "__is_trivially_constructible", -1)
DEFTRAIT_EXPR (IS_TRIVIALLY_COPYABLE, "__is_trivially_copyable", 1)
DEFTRAIT_EXPR (IS_UNION, "__is_union", 1)
+DEFTRAIT_EXPR (IS_ARITHMETIC, "__is_arithmetic", 1)
DEFTRAIT_EXPR (REF_CONSTRUCTS_FROM_TEMPORARY, "__reference_constructs_from_temporary", 2)
DEFTRAIT_EXPR (REF_CONVERTS_FROM_TEMPORARY, "__reference_converts_from_temporary", 2)
/* FIXME Added space to avoid direct usage in GCC 13. */
@@ -12118,6 +12118,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2)
case CPTK_IS_UNION:
return type_code1 == UNION_TYPE;
+ case CPTK_IS_ARITHMETIC:
+ return ARITHMETIC_TYPE_P (type1);
+
case CPTK_IS_ASSIGNABLE:
return is_xible (MODIFY_EXPR, type1, type2);
@@ -12296,6 +12299,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, tree type1, tree type2)
case CPTK_IS_ENUM:
case CPTK_IS_UNION:
case CPTK_IS_SAME:
+ case CPTK_IS_ARITHMETIC:
break;
case CPTK_IS_LAYOUT_COMPATIBLE:
@@ -146,3 +146,6 @@
#if !__has_builtin (__remove_cvref)
# error "__has_builtin (__remove_cvref) failed"
#endif
+#if !__has_builtin (__is_arithmetic)
+# error "__has_builtin (__is_arithmetic) failed"
+#endif
new file mode 100644
@@ -0,0 +1,33 @@
+// { dg-do compile { target c++11 } }
+
+#include <testsuite_tr1.h>
+
+using namespace __gnu_test;
+
+#define SA(X) static_assert((X),#X)
+#define SA_TEST_CATEGORY(TRAIT, TYPE, EXPECT) \
+ SA(TRAIT(TYPE) == EXPECT); \
+ SA(TRAIT(const TYPE) == EXPECT); \
+ SA(TRAIT(volatile TYPE) == EXPECT); \
+ SA(TRAIT(const volatile TYPE) == EXPECT)
+
+SA_TEST_CATEGORY(__is_arithmetic, void, false);
+
+SA_TEST_CATEGORY(__is_arithmetic, char, true);
+SA_TEST_CATEGORY(__is_arithmetic, signed char, true);
+SA_TEST_CATEGORY(__is_arithmetic, unsigned char, true);
+SA_TEST_CATEGORY(__is_arithmetic, wchar_t, true);
+SA_TEST_CATEGORY(__is_arithmetic, short, true);
+SA_TEST_CATEGORY(__is_arithmetic, unsigned short, true);
+SA_TEST_CATEGORY(__is_arithmetic, int, true);
+SA_TEST_CATEGORY(__is_arithmetic, unsigned int, true);
+SA_TEST_CATEGORY(__is_arithmetic, long, true);
+SA_TEST_CATEGORY(__is_arithmetic, unsigned long, true);
+SA_TEST_CATEGORY(__is_arithmetic, long long, true);
+SA_TEST_CATEGORY(__is_arithmetic, unsigned long long, true);
+SA_TEST_CATEGORY(__is_arithmetic, float, true);
+SA_TEST_CATEGORY(__is_arithmetic, double, true);
+SA_TEST_CATEGORY(__is_arithmetic, long double, true);
+
+// Sanity check.
+SA_TEST_CATEGORY(__is_arithmetic, ClassType, false);
@@ -217,16 +217,16 @@ namespace std __attribute__ ((__visibility__ ("default"))) {
typedef __true_type __type;
};
template<typename _Tp>
- struct __is_arithmetic
+ struct ____is_arithmetic
: public __traitor<__is_integer<_Tp>, __is_floating<_Tp> >
{ };
template<typename _Tp>
struct __is_fundamental
- : public __traitor<__is_void<_Tp>, __is_arithmetic<_Tp> >
+ : public __traitor<__is_void<_Tp>, ____is_arithmetic<_Tp> >
{ };
template<typename _Tp>
struct __is_scalar
- : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> >
+ : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> >
{ };
template<typename _Tp>
struct __is_char
@@ -25,9 +25,9 @@ namespace std __attribute__ ((__visibility__ ("default"))) {
enum {
__value = 0 };
};
- template<typename _Tp> struct __is_arithmetic : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> > {
+ template<typename _Tp> struct ____is_arithmetic : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> > {
};
- template<typename _Tp> struct __is_scalar : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> > {
+ template<typename _Tp> struct __is_scalar : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> > {
};
}
namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) {
@@ -381,7 +381,7 @@ __INT_N(__GLIBCXX_TYPE_INT_N_3)
// An arithmetic type is an integer type or a floating point type
//
template<typename _Tp>
- struct __is_arithmetic
+ struct ____is_arithmetic
: public __traitor<__is_integer<_Tp>, __is_floating<_Tp> >
{ };
@@ -390,7 +390,7 @@ __INT_N(__GLIBCXX_TYPE_INT_N_3)
//
template<typename _Tp>
struct __is_scalar
- : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> >
+ : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> >
{ };
//
@@ -1255,8 +1255,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#ifndef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT
template<typename _Tp, typename _Up>
constexpr typename
- __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
- && __is_arithmetic<_Up>::__value), bool>::__type
+ __gnu_cxx::__enable_if<(____is_arithmetic<_Tp>::__value
+ && ____is_arithmetic<_Up>::__value), bool>::__type
isgreater(_Tp __x, _Up __y)
{
typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
@@ -1281,8 +1281,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#ifndef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT
template<typename _Tp, typename _Up>
constexpr typename
- __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
- && __is_arithmetic<_Up>::__value), bool>::__type
+ __gnu_cxx::__enable_if<(____is_arithmetic<_Tp>::__value
+ && ____is_arithmetic<_Up>::__value), bool>::__type
isgreaterequal(_Tp __x, _Up __y)
{
typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
@@ -1307,8 +1307,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#ifndef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT
template<typename _Tp, typename _Up>
constexpr typename
- __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
- && __is_arithmetic<_Up>::__value), bool>::__type
+ __gnu_cxx::__enable_if<(____is_arithmetic<_Tp>::__value
+ && ____is_arithmetic<_Up>::__value), bool>::__type
isless(_Tp __x, _Up __y)
{
typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
@@ -1333,8 +1333,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#ifndef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT
template<typename _Tp, typename _Up>
constexpr typename
- __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
- && __is_arithmetic<_Up>::__value), bool>::__type
+ __gnu_cxx::__enable_if<(____is_arithmetic<_Tp>::__value
+ && ____is_arithmetic<_Up>::__value), bool>::__type
islessequal(_Tp __x, _Up __y)
{
typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
@@ -1359,8 +1359,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#ifndef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT
template<typename _Tp, typename _Up>
constexpr typename
- __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
- && __is_arithmetic<_Up>::__value), bool>::__type
+ __gnu_cxx::__enable_if<(____is_arithmetic<_Tp>::__value
+ && ____is_arithmetic<_Up>::__value), bool>::__type
islessgreater(_Tp __x, _Up __y)
{
typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
@@ -1385,8 +1385,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#ifndef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT
template<typename _Tp, typename _Up>
constexpr typename
- __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value
- && __is_arithmetic<_Up>::__value), bool>::__type
+ __gnu_cxx::__enable_if<(____is_arithmetic<_Tp>::__value
+ && ____is_arithmetic<_Up>::__value), bool>::__type
isunordered(_Tp __x, _Up __y)
{
typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
@@ -1397,7 +1397,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#else
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
fpclassify(_Tp __f)
{
@@ -1407,7 +1407,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isfinite(_Tp __f)
{
@@ -1416,7 +1416,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isinf(_Tp __f)
{
@@ -1425,7 +1425,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isnan(_Tp __f)
{
@@ -1434,7 +1434,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isnormal(_Tp __f)
{
@@ -1443,7 +1443,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
signbit(_Tp __f)
{
@@ -1452,7 +1452,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isgreater(_Tp __f1, _Tp __f2)
{
@@ -1461,7 +1461,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isgreaterequal(_Tp __f1, _Tp __f2)
{
@@ -1470,7 +1470,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isless(_Tp __f1, _Tp __f2)
{
@@ -1479,7 +1479,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
islessequal(_Tp __f1, _Tp __f2)
{
@@ -1488,7 +1488,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
islessgreater(_Tp __f1, _Tp __f2)
{
@@ -1497,7 +1497,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isunordered(_Tp __f1, _Tp __f2)
{
@@ -467,7 +467,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#undef isunordered
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
fpclassify(_Tp __f)
{
@@ -477,7 +477,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isfinite(_Tp __f)
{
@@ -486,7 +486,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isinf(_Tp __f)
{
@@ -495,7 +495,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isnan(_Tp __f)
{
@@ -504,7 +504,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isnormal(_Tp __f)
{
@@ -513,7 +513,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
signbit(_Tp __f)
{
@@ -522,7 +522,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isgreater(_Tp __f1, _Tp __f2)
{
@@ -531,7 +531,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isgreaterequal(_Tp __f1, _Tp __f2)
{
@@ -540,7 +540,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isless(_Tp __f1, _Tp __f2)
{
@@ -549,7 +549,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
islessequal(_Tp __f1, _Tp __f2)
{
@@ -558,7 +558,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
islessgreater(_Tp __f1, _Tp __f2)
{
@@ -567,7 +567,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isunordered(_Tp __f1, _Tp __f2)
{
@@ -307,7 +307,7 @@ namespace tr1
/// Function template definitions [8.16.3].
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
fpclassify(_Tp __f)
{
@@ -317,7 +317,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isfinite(_Tp __f)
{
@@ -326,7 +326,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isinf(_Tp __f)
{
@@ -335,7 +335,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isnan(_Tp __f)
{
@@ -344,7 +344,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isnormal(_Tp __f)
{
@@ -353,7 +353,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
signbit(_Tp __f)
{
@@ -362,7 +362,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isgreater(_Tp __f1, _Tp __f2)
{
@@ -371,7 +371,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isgreaterequal(_Tp __f1, _Tp __f2)
{
@@ -380,7 +380,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isless(_Tp __f1, _Tp __f2)
{
@@ -389,7 +389,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
islessequal(_Tp __f1, _Tp __f2)
{
@@ -398,7 +398,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
islessgreater(_Tp __f1, _Tp __f2)
{
@@ -407,7 +407,7 @@ namespace tr1
}
template<typename _Tp>
- inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
+ inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__value,
int>::__type
isunordered(_Tp __f1, _Tp __f2)
{