29#if !defined OPM_COMMON_QUAD_HPP && HAVE_QUAD
30#define OPM_COMMON_QUAD_HPP
44typedef __float128 quad;
51class numeric_limits<quad>
54 static constexpr bool is_specialized =
true;
56 static constexpr quad min() throw()
57 {
return FLT128_MIN; }
58 static constexpr quad max() throw()
59 {
return FLT128_MAX; }
62 static constexpr int digits = FLT128_MANT_DIG;
64 static constexpr int digits10 = FLT128_DIG;
65 static constexpr bool is_signed =
true;
66 static constexpr bool is_integer =
false;
67 static constexpr bool is_exact =
false;
68 static constexpr int radix = 0;
69 static constexpr quad epsilon() throw()
70 {
return FLT128_EPSILON; }
71 static constexpr quad round_error() throw()
74 static constexpr int min_exponent = FLT128_MIN_EXP;
75 static constexpr int min_exponent10 = FLT128_MIN_10_EXP;
76 static constexpr int max_exponent = FLT128_MAX_EXP;
77 static constexpr int max_exponent10 = FLT128_MAX_10_EXP;
79 static constexpr bool has_infinity =
true;
80 static constexpr bool has_quiet_NaN =
true;
81 static constexpr bool has_signaling_NaN =
true;
82 static constexpr float_denorm_style has_denorm = denorm_present;
83 static constexpr bool has_denorm_loss =
false;
84 static constexpr quad infinity() throw()
85 {
return __builtin_huge_valq(); }
86 static constexpr quad quiet_NaN() throw()
87 {
return __builtin_nan(
""); }
88 static constexpr quad signaling_NaN() throw()
89 {
return __builtin_nans(
""); }
90 static constexpr quad denorm_min() throw()
91 {
return FLT128_DENORM_MIN; }
93 static constexpr bool is_iec559 =
true;
94 static constexpr bool is_bounded =
true;
95 static constexpr bool is_modulo =
false;
97 static constexpr bool traps = std::numeric_limits<double>::traps;
98 static constexpr bool tinyness_before = std::numeric_limits<double>::tinyness_before;
99 static constexpr float_round_style round_style = round_to_nearest;
105struct is_floating_point<quad>
106 :
public integral_constant<bool, true>
110struct is_arithmetic<quad>
111 :
public integral_constant<bool, true>
115struct is_fundamental<quad>
116 :
public integral_constant<bool, true>
120struct is_scalar<quad>
121 :
public integral_constant<bool, true>
126 :
public integral_constant<bool, true>
130struct is_signed<quad>
131 :
public integral_constant<bool, true>
136struct is_standard_layout<quad>
137 :
public integral_constant<bool, true>
141struct is_trivial<quad>
142 :
public integral_constant<bool, true>
152template <
class OtherType>
153struct is_assignable<quad, OtherType>
154 :
public integral_constant<bool, is_arithmetic<OtherType>::value>
157template <
class OtherType>
158struct is_nothrow_assignable<quad, OtherType>
159 :
public is_assignable<quad, OtherType>
170struct is_copy_assignable<quad>
171 :
public integral_constant<bool, true>
175struct is_nothrow_copy_assignable<quad>
176 :
public integral_constant<bool, true>
180struct is_move_assignable<quad>
181 :
public integral_constant<bool, true>
185struct is_nothrow_move_assignable<quad>
186 :
public integral_constant<bool, true>
190struct is_constructible<quad>
191 :
public integral_constant<bool, true>
195struct is_nothrow_constructible<quad>
196 :
public integral_constant<bool, true>
200struct is_default_constructible<quad>
201 :
public integral_constant<bool, true>
205struct is_nothrow_default_constructible<quad>
206 :
public integral_constant<bool, true>
217struct is_copy_constructible<quad>
218 :
public integral_constant<bool, true>
222struct is_move_constructible<quad>
223 :
public integral_constant<bool, true>
227struct is_nothrow_move_constructible<quad>
228 :
public integral_constant<bool, true>
233struct is_destructible<quad>
234 :
public integral_constant<bool, true>
238struct is_nothrow_destructible<quad>
239 :
public integral_constant<bool, true>
242template <
class OtherType>
243struct is_convertible<quad, OtherType>
244 :
public is_arithmetic<OtherType>
247inline std::ostream& operator<<(std::ostream& os,
const quad& val)
249 if (os.precision() > std::numeric_limits<double>::digits10)
250 throw std::runtime_error(
"The precision requested for output cannot "
251 "be represented by a double precision floating "
254 return os << static_cast<double>(val);
257inline std::istream& operator>>(std::istream& is, quad& val)
260 std::istream& ret = (is >> tmp);
265inline quad real(quad val)
268inline quad real(
const std::complex<quad>& val)
269{
return val.real(); }
271inline quad imag(quad)
274inline quad imag(
const std::complex<quad>& val)
275{
return val.imag(); }
277inline quad abs(quad val)
278{
return (val < 0) ? -val : val; }
280inline quad floor(quad val)
281{
return floorq(val); }
283inline quad ceil(quad val)
284{
return ceilq(val); }
286inline quad max(quad a, quad b)
287{
return (a > b) ? a : b; }
289inline quad min(quad a, quad b)
290{
return (a < b) ? a : b; }
292inline quad sqrt(quad val)
293{
return sqrtq(val); }
295template <
class ExpType>
296inline quad pow(quad base, ExpType exp)
297{
return powq(base,
static_cast<quad
>(exp)); }
299template <
class BaseType>
300inline quad pow(BaseType base, quad exp)
301{
return powq(
static_cast<quad
>(base), exp); }
303inline quad pow(quad base, quad exp)
304{
return powq(base, exp); }
306inline quad exp(quad val)
309inline quad log(quad val)
312inline quad sin(quad val)
315inline quad cos(quad val)
318inline quad tan(quad val)
321inline quad atan(quad val)
322{
return atanq(val); }
324inline quad atan2(quad a, quad b)
325{
return atan2q(a, b); }
327inline quad round(quad val)
328{
return roundq(val); }
330inline bool isfinite(quad val)
331{
return finiteq(val); }
333inline bool isnan(quad val)
334{
return isnanq(val); }
336inline bool isinf(quad val)
337{
return isinfq(val); }
345#include <dune/common/classname.hh>
349inline std::string className<__float128>()
356#include <dune/fem/io/streams/streams_inline.hh>
360template <
class Traits>
361inline OutStreamInterface<Traits>&
362operator<<(OutStreamInterface<Traits>& out, quad value)
364 out.writeDouble(
static_cast<double>(value));
368template <
class Traits>
369inline InStreamInterface<Traits>&
370operator>>(InStreamInterface<Traits>& in, quad& value)