DUNE PDELab (git)
float_cmp.hh
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3// SPDX-FileCopyrightInfo: Copyright © DUNE Project contributors, see file LICENSE.md in module root
113 };
127 };
253 template<class I, class T, CmpStyle cstyle /*= defaultCmpStyle*/, RoundingStyle rstyle /*= defaultRoundingStyle*/>
254 I round(const T &val, typename EpsilonType<T>::Type epsilon = DefaultEpsilon<T, cstyle>::value());
270 template<class I, class T, CmpStyle cstyle /*= defaultCmpStyle*/, RoundingStyle rstyle /*= defaultRoundingStyle*/>
271 I trunc(const T &val, typename EpsilonType<T>::Type epsilon = DefaultEpsilon<T, cstyle>::value());
bool le(const ValueType &first, const ValueType &second) const
test if first lesser or equal second
Definition: float_cmp.cc:486
FloatCmpOps(EpsilonType epsilon=DefaultEpsilon::value())
construct an operations object
Definition: float_cmp.cc:431
bool eq(const ValueType &first, const ValueType &second) const
test for equality using epsilon
Definition: float_cmp.cc:451
static const CmpStyle cstyle
How comparisons are done.
Definition: float_cmp.hh:295
bool lt(const ValueType &first, const ValueType &second) const
test if first lesser than second
Definition: float_cmp.cc:472
bool ge(const ValueType &first, const ValueType &second) const
test if first greater or equal second
Definition: float_cmp.cc:479
static const RoundingStyle rstyle
How rounding is done.
Definition: float_cmp.hh:297
FloatCmp::EpsilonType< T >::Type EpsilonType
Type of the epsilon.
Definition: float_cmp.hh:304
bool ne(const ValueType &first, const ValueType &second) const
test for inequality using epsilon
Definition: float_cmp.cc:458
EpsilonType epsilon() const
return the current epsilon
Definition: float_cmp.cc:436
I round(const ValueType &val) const
round using epsilon
Definition: float_cmp.cc:495
I trunc(const ValueType &val) const
truncate using epsilon
Definition: float_cmp.cc:503
bool gt(const ValueType &first, const ValueType &second) const
test if first greater than second
Definition: float_cmp.cc:465
bool ne(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test for inequality using epsilon
Definition: float_cmp.cc:151
bool eq(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test for equality using epsilon
Definition: float_cmp.cc:144
I round(const T &val, typename EpsilonType< T >::Type epsilon)
round using epsilon
Definition: float_cmp.cc:311
I trunc(const T &val, typename EpsilonType< T >::Type epsilon)
truncate using epsilon
Definition: float_cmp.cc:407
bool lt(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test if first lesser than second
Definition: float_cmp.cc:165
bool gt(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test if first greater than second
Definition: float_cmp.cc:158
bool ge(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test if first greater or equal second
Definition: float_cmp.cc:172
bool le(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test if first lesser or equal second
Definition: float_cmp.cc:179
@ defaultCmpStyle
the global default compare style (relative_weak)
Definition: float_cmp.hh:112
@ relativeStrong
|a-b|/|a| <= epsilon && |a-b|/|b| <= epsilon
Definition: float_cmp.hh:108
@ relativeWeak
|a-b|/|a| <= epsilon || |a-b|/|b| <= epsilon
Definition: float_cmp.hh:106
@ defaultRoundingStyle
the global default rounding style (toward_zero)
Definition: float_cmp.hh:126
mapping from a value type and a compare style to a default epsilon
Definition: float_cmp.hh:138
static EpsilonType< T >::Type value()
Returns the default epsilon for the given value type and compare style.
T Type
The epsilon type corresponding to value type T.
Definition: float_cmp.cc:25
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