From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ua1-x929.google.com (mail-ua1-x929.google.com [IPv6:2607:f8b0:4864:20::929]) by sourceware.org (Postfix) with ESMTPS id E0D2B3858C30 for ; Sun, 9 Jul 2023 13:03:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E0D2B3858C30 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=cs.washington.edu Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=cs.washington.edu Received: by mail-ua1-x929.google.com with SMTP id a1e0cc1a2514c-78f208ebf29so1109468241.3 for ; Sun, 09 Jul 2023 06:03:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.washington.edu; s=goo201206; t=1688907832; x=1691499832; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=YNudhgU7+OamqZj5sMEoVZPaG0A/+1mBG5bHVvG0ei8=; 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X-Google-Smtp-Source: APBJJlFrk5PD/xiRADHD1Yj4iM3R8Y0cOPHe/4rljcqT7KhcdSK6rOVQJIYmH6NvSrW11I134sIgSEYVokRzyQDPM14= X-Received: by 2002:a05:6102:3a74:b0:443:580a:4c45 with SMTP id bf20-20020a0561023a7400b00443580a4c45mr4178886vsb.2.1688907831987; Sun, 09 Jul 2023 06:03:51 -0700 (PDT) MIME-Version: 1.0 References: <20230709125715.26884-1-kmatsui@gcc.gnu.org> In-Reply-To: <20230709125715.26884-1-kmatsui@gcc.gnu.org> From: Ken Matsui Date: Sun, 9 Jul 2023 06:03:36 -0700 Message-ID: Subject: Re: [PATCH 1/2] c++, libstdc++: implement __is_arithmetic built-in trait To: Ken Matsui Cc: gcc-patches@gcc.gnu.org, libstdc++@gcc.gnu.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi, Here is the benchmark result for is_arithmetic: https://github.com/ken-matsui/gcc-benches/blob/main/is_arithmetic.md#sun-ju= l--9-055758-am-pdt-2023 Time: -55.2631% Peak Memory Usage: -38.7701% Total Memory Usage: -40.5237% Sincerely, Ken Matsui On Sun, Jul 9, 2023 at 5:57=E2=80=AFAM Ken Matsui wro= te: > > 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 > --- > 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_fr= om_temporary", 2) > DEFTRAIT_EXPR (REF_CONVERTS_FROM_TEMPORARY, "__reference_converts_from_t= emporary", 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 =3D=3D 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 > + > +using namespace __gnu_test; > + > +#define SA(X) static_assert((X),#X) > +#define SA_TEST_CATEGORY(TRAIT, TYPE, EXPECT) \ > + SA(TRAIT(TYPE) =3D=3D EXPECT); \ > + SA(TRAIT(const TYPE) =3D=3D EXPECT); \ > + SA(TRAIT(volatile TYPE) =3D=3D EXPECT); \ > + SA(TRAIT(const volatile TYPE) =3D=3D 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__ ("defa= ult"))) { > typedef __true_type __type; > }; > template > - struct __is_arithmetic > + struct ____is_arithmetic > : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> > > { }; > template > struct __is_fundamental > - : public __traitor<__is_void<_Tp>, __is_arithmetic<_Tp> > > + : public __traitor<__is_void<_Tp>, ____is_arithmetic<_Tp> > > { }; > template > struct __is_scalar > - : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> > > + : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> > > { }; > template > struct __is_char > diff --git a/gcc/testsuite/g++.dg/torture/pr57107.C b/gcc/testsuite/g++.d= g/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 =3D 0 }; > }; > - template struct __is_arithmetic : public __tra= itor<__is_integer<_Tp>, __is_floating<_Tp> > { > + template struct ____is_arithmetic : public __t= raitor<__is_integer<_Tp>, __is_floating<_Tp> > { > }; > - template struct __is_scalar : public __traitor= <__is_arithmetic<_Tp>, __is_pointer<_Tp> > { > + template 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/i= nclude/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 > - 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 > struct __is_scalar > - : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> > > + : public __traitor<____is_arithmetic<_Tp>, __is_pointer<_Tp> > > { }; > > // > diff --git a/libstdc++-v3/include/c_global/cmath b/libstdc++-v3/include/c= _global/cmath > index b0ba395eb5c..9f11e652418 100644 > --- a/libstdc++-v3/include/c_global/cmath > +++ b/libstdc++-v3/include/c_global/cmath > @@ -1255,8 +1255,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > #ifndef __CORRECT_ISO_CPP11_MATH_H_PROTO_INT > template > constexpr typename > - __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value > - && __is_arithmetic<_Up>::__value), bool>::__t= ype > + __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 > constexpr typename > - __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value > - && __is_arithmetic<_Up>::__value), bool>::__t= ype > + __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 > constexpr typename > - __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value > - && __is_arithmetic<_Up>::__value), bool>::__t= ype > + __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 > constexpr typename > - __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value > - && __is_arithmetic<_Up>::__value), bool>::__t= ype > + __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 > constexpr typename > - __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value > - && __is_arithmetic<_Up>::__value), bool>::__t= ype > + __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 > constexpr typename > - __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value > - && __is_arithmetic<_Up>::__value), bool>::__t= ype > + __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 > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > fpclassify(_Tp __f) > { > @@ -1407,7 +1407,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isfinite(_Tp __f) > { > @@ -1416,7 +1416,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isinf(_Tp __f) > { > @@ -1425,7 +1425,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isnan(_Tp __f) > { > @@ -1434,7 +1434,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isnormal(_Tp __f) > { > @@ -1443,7 +1443,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > signbit(_Tp __f) > { > @@ -1452,7 +1452,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isgreater(_Tp __f1, _Tp __f2) > { > @@ -1461,7 +1461,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isgreaterequal(_Tp __f1, _Tp __f2) > { > @@ -1470,7 +1470,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isless(_Tp __f1, _Tp __f2) > { > @@ -1479,7 +1479,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > islessequal(_Tp __f1, _Tp __f2) > { > @@ -1488,7 +1488,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > islessgreater(_Tp __f1, _Tp __f2) > { > @@ -1497,7 +1497,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isunordered(_Tp __f1, _Tp __f2) > { > diff --git a/libstdc++-v3/include/c_std/cmath b/libstdc++-v3/include/c_st= d/cmath > index 588ee1e6dc4..fe351182f53 100644 > --- a/libstdc++-v3/include/c_std/cmath > +++ b/libstdc++-v3/include/c_std/cmath > @@ -467,7 +467,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > #undef isunordered > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > fpclassify(_Tp __f) > { > @@ -477,7 +477,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isfinite(_Tp __f) > { > @@ -486,7 +486,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isinf(_Tp __f) > { > @@ -495,7 +495,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isnan(_Tp __f) > { > @@ -504,7 +504,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isnormal(_Tp __f) > { > @@ -513,7 +513,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > signbit(_Tp __f) > { > @@ -522,7 +522,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isgreater(_Tp __f1, _Tp __f2) > { > @@ -531,7 +531,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isgreaterequal(_Tp __f1, _Tp __f2) > { > @@ -540,7 +540,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isless(_Tp __f1, _Tp __f2) > { > @@ -549,7 +549,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > islessequal(_Tp __f1, _Tp __f2) > { > @@ -558,7 +558,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > islessgreater(_Tp __f1, _Tp __f2) > { > @@ -567,7 +567,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isunordered(_Tp __f1, _Tp __f2) > { > diff --git a/libstdc++-v3/include/tr1/cmath b/libstdc++-v3/include/tr1/cm= ath > index ba1b60cc945..07a66d06a01 100644 > --- a/libstdc++-v3/include/tr1/cmath > +++ b/libstdc++-v3/include/tr1/cmath > @@ -307,7 +307,7 @@ namespace tr1 > > /// Function template definitions [8.16.3]. > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > fpclassify(_Tp __f) > { > @@ -317,7 +317,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isfinite(_Tp __f) > { > @@ -326,7 +326,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isinf(_Tp __f) > { > @@ -335,7 +335,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isnan(_Tp __f) > { > @@ -344,7 +344,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isnormal(_Tp __f) > { > @@ -353,7 +353,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > signbit(_Tp __f) > { > @@ -362,7 +362,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isgreater(_Tp __f1, _Tp __f2) > { > @@ -371,7 +371,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isgreaterequal(_Tp __f1, _Tp __f2) > { > @@ -380,7 +380,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isless(_Tp __f1, _Tp __f2) > { > @@ -389,7 +389,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > islessequal(_Tp __f1, _Tp __f2) > { > @@ -398,7 +398,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > islessgreater(_Tp __f1, _Tp __f2) > { > @@ -407,7 +407,7 @@ namespace tr1 > } > > template > - inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value= , > + inline typename __gnu_cxx::__enable_if<____is_arithmetic<_Tp>::__val= ue, > int>::__type > isunordered(_Tp __f1, _Tp __f2) > { > -- > 2.41.0 >