5#ifndef DUNE_DEBUGALIGN_HH
6#define DUNE_DEBUGALIGN_HH
31 std::function<void(
const char*, std::size_t,
const void*)>;
56 inline bool isAligned(
const void *p, std::size_t align)
58 void* aligned_p = (
void*)p;
59 std::size_t space = align*2;
60 return p == std::align(align, align, aligned_p, space);
64 template<std::
size_t align,
class Impl>
75 static void*
operator new(std::size_t count,
void* ptr) {
78 return ::operator
new(count*
sizeof(Impl), ptr);
89 static void*
operator new[](std::size_t count,
void* ptr) {
92 return ::operator
new[](count*
sizeof(Impl), ptr);
99 namespace AlignedNumberImpl {
101 template<
class T, std::
size_t align = debugAlignment>
108 template<
class T, std::
size_t align>
110 :
public std::true_type {};
113 template<std::
size_t align = debugAlignment,
class T>
122 namespace AlignedNumberImpl {
125 template<
class T, std::
size_t align>
127 :
public AlignedBase<align, AlignedNumber<T, align> >
134 template<
class U, std::size_t uAlign,
135 class = std::enable_if_t<(align >= uAlign) &&
136 std::is_convertible<U, T>::value> >
141 class = std::enable_if_t<std::is_convertible<T, U>::value> >
142 explicit operator U()
const {
return value_; }
144 const T &
value()
const {
return value_; }
148 template<
class charT,
class Traits>
149 friend std::basic_istream<charT, Traits>&
152 return str >> u.value_;
155 template<
class charT,
class Traits>
156 friend std::basic_ostream<charT, Traits>&
157 operator<<(std::basic_ostream<charT, Traits>& str,
160 return str << u.value_;
172 template<class U = T, class = std::void_t<decltype(++std::declval<U&>())> >
175 template<
class U = T,
class = std::void_t<
decltype(--std::declval<U&>())> >
178 template<class U = T, class = std::void_t<decltype(std::declval<U&>()++)> >
179 decltype(
auto)
operator++(
int) {
return aligned<align>(value_++); }
181 template<class U = T, class = std::void_t<decltype(std::declval<U&>()--)> >
182 decltype(
auto)
operator--(
int) {
return aligned<align>(value_--); }
185 template<
class U = T,
186 class = std::void_t<decltype(+std::declval<const U&>())> >
187 decltype(
auto)
operator+()
const {
return aligned<align>(+value_); }
189 template<
class U = T,
190 class = std::void_t<
decltype(-std::declval<const U&>())> >
191 decltype(
auto)
operator-()
const {
return aligned<align>(-value_); }
198# pragma GCC diagnostic push
199# pragma GCC diagnostic ignored "-Wbool-operation"
202# pragma clang diagnostic push
203# pragma clang diagnostic ignored "-Wbool-operation"
205 template<
class U = T,
206 class = std::void_t<decltype(~std::declval<const U&>())> >
207 decltype(
auto)
operator~()
const {
return aligned<align>(~value_); }
209# pragma GCC diagnostic pop
212# pragma clang diagnostic pop
215 template<
class U = T,
216 class = std::void_t<decltype(!std::declval<const U&>())> >
217 decltype(
auto)
operator!()
const {
return aligned<align>(!value_); }
220#define DUNE_ASSIGN_OP(OP) \
221 template<class U, std::size_t uAlign, \
222 class = std::enable_if_t< \
223 ( uAlign <= align && \
224 sizeof(std::declval<T&>() OP std::declval<U>()) ) \
226 AlignedNumber &operator OP(const AlignedNumber<U, uAlign> &u) \
233 class = std::void_t<decltype(std::declval<T&>() OP \
234 std::declval<U>())> > \
235 AlignedNumber &operator OP(const U &u) \
241 static_assert(true, "Require semicolon to unconfuse editors")
261#define DUNE_BINARY_OP(OP) \
262 template<class T, std::size_t tAlign, class U, std::size_t uAlign, \
263 class = std::void_t<decltype(std::declval<T>() \
264 OP std::declval<U>())> > \
266 operator OP(const AlignedNumber<T, tAlign> &t, \
267 const AlignedNumber<U, uAlign> &u) \
270 return aligned<(tAlign > uAlign ? tAlign : uAlign)>(T(t) OP U(u)); \
273 template<class T, class U, std::size_t uAlign, \
274 class = std::void_t<decltype(std::declval<T>() \
275 OP std::declval<U>())> > \
277 operator OP(const T &t, const AlignedNumber<U, uAlign> &u) \
279 return aligned<uAlign>(t OP U(u)); \
282 template<class T, std::size_t tAlign, class U, \
283 class = std::void_t<decltype(std::declval<T>() \
284 OP std::declval<U>())> > \
286 operator OP(const AlignedNumber<T, tAlign> &t, const U &u) \
288 return aligned<tAlign>(T(t) OP u); \
291 static_assert(true, "Require semicolon to unconfuse editors")
323#define DUNE_UNARY_FUNC(name) \
324 template<class T, std::size_t align> \
325 decltype(auto) name(const AlignedNumber<T, align> &u) \
328 return aligned<align>(name(T(u))); \
330 static_assert(true, "Require semicolon to unconfuse editors")
423#undef DUNE_UNARY_FUNC
437 template<
class T, std::
size_t align>
442 return aligned<align>(max(T(a), T(b)));
445 template<
class T, std::
size_t align>
449 return aligned<align>(max(a, T(b)));
452 template<
class T, std::
size_t align>
456 return aligned<align>(max(T(a), b));
459 template<
class T, std::
size_t align>
464 return aligned<align>(min(T(a), T(b)));
467 template<
class T, std::
size_t align>
471 return aligned<align>(min(a, T(b)));
474 template<
class T, std::
size_t align>
478 return aligned<align>(min(T(a), b));
484 template<
class T, std::
size_t align>
485 AlignedNumber<T, align>
493 template<
class T, std::
size_t align>
499 template<
class T, std::
size_t align>
505 template<std::
size_t align>
511 template<std::
size_t align>
519 namespace Overloads {
521 template<
class T, std::
size_t align>
524 template<
class U,
class T, std::
size_t align>
529 template<
class T, std::
size_t align>
532 template<
class T, std::
size_t align>
539 template<
class T, std::
size_t align>
546 template<
class T, std::
size_t align>
552 return mask ? ifTrue : ifFalse;
555 template<std::
size_t align>
Default implementations for SIMD Implementations.
Basic definitions for SIMD Implementations.
#define DUNE_BINARY_OP(OP)
Definition debugalign.hh:261
#define DUNE_UNARY_FUNC(name)
#define DUNE_ASSIGN_OP(OP)
Definition debugalign.hh:220
A free function to provide the demangled class name of a given object or type as a string.
Traits for type conversions and type information.
std::integral_constant< std::size_t, i > index_constant
An index constant with value i.
Definition indices.hh:29
std::ostream & operator<<(std::ostream &s, const bigunsignedint< k > &x)
Definition bigunsignedint.hh:278
Mask< V > mask(ADLTag< 0, std::is_same< V, Mask< V > >::value >, const V &v)
implements Simd::mask()
Definition defaults.hh:153
Dune namespace.
Definition alignedallocator.hh:13
void violatedAlignment(const char *className, std::size_t expectedAlignment, const void *address)
called when an alignment violation is detected
Definition debugalign.cc:36
bool any_true(const AlignedNumber< bool, align > &val)
Definition debugalign.hh:506
bool all_true(const AlignedNumber< bool, align > &val)
Definition debugalign.hh:512
std::string className()
Provide the demangled class name of a type T as a string.
Definition classname.hh:47
static constexpr auto debugAlignment
an alignment large enough to trigger alignment errors
Definition debugalign.hh:97
const T1 cond(bool b, const T1 &v1, const T2 &v2)
conditional evaluate
Definition conditional.hh:28
AlignedNumber< T, align > aligned(T value)
align a value to a certain alignment
Definition debugalign.hh:114
ViolatedAlignmentHandler & violatedAlignmentHandler()
access the handler called by violatedAlignment()
Definition debugalign.cc:30
bool isAligned(const void *p, std::size_t align)
check whether an address conforms to the given alignment
Definition debugalign.hh:56
T max_value(const AlignedNumber< T, align > &val)
Definition debugalign.hh:494
std::function< void(const char *, std::size_t, const void *)> ViolatedAlignmentHandler
type of the handler called by violatedAlignment()
Definition debugalign.hh:31
T min_value(const AlignedNumber< T, align > &val)
Definition debugalign.hh:500
bool anyTrue(ADLTag< 5 >, const AlignedNumber< bool, align > &mask)
Definition debugalign.hh:556
T & lane(ADLTag< 5 >, std::size_t l, AlignedNumber< T, align > &v)
Definition debugalign.hh:533
Whether this type acts as a scalar in the context of (hierarchically blocked) containers.
Definition typetraits.hh:194
CRTP base mixin class to check alignment.
Definition debugalign.hh:66
aligned wrappers for arithmetic types
Definition debugalign.hh:128
decltype(auto) operator+() const
Definition debugalign.hh:187
decltype(auto) operator--(int)
Definition debugalign.hh:182
DUNE_ASSIGN_OP * DUNE_ASSIGN_OP(/=);DUNE_ASSIGN_OP(%=
decltype(auto) operator++(int)
Definition debugalign.hh:179
decltype(auto) operator!() const
Definition debugalign.hh:217
T & value()
Definition debugalign.hh:145
const T & value() const
Definition debugalign.hh:144
DUNE_ASSIGN_OP^ DUNE_ASSIGN_OP(&=);DUNE_ASSIGN_OP(|=
friend std::basic_istream< charT, Traits > & operator>>(std::basic_istream< charT, Traits > &str, AlignedNumber &u)
Definition debugalign.hh:150
decltype(auto) operator~() const
Definition debugalign.hh:207
AlignedNumber(T value)
Definition debugalign.hh:133
AlignedNumber(const AlignedNumber< U, uAlign > &o)
Definition debugalign.hh:137
decltype(auto) operator-() const
Definition debugalign.hh:191
T type
Definition debugalign.hh:522
Tag used to force late-binding lookup in Dune::Simd::Overloads.
Definition base.hh:182
should have a member type type
Definition standard.hh:60
should have a member type type
Definition standard.hh:67
should be derived from a Dune::index_constant
Definition standard.hh:74