3 #ifndef DUNE_COMMON_FLOAT_CMP_HH 4 #define DUNE_COMMON_FLOAT_CMP_HH 135 template<
class T, CmpStyle style = defaultCmpStyle>
155 bool eq(
const T &first,
168 bool ne(
const T &first,
184 bool gt(
const T &first,
200 bool lt(
const T &first,
216 bool ge(
const T &first,
232 bool le(
const T &first,
293 static const CmpStyle cstyle = cstyle_;
295 static const RoundingStyle rstyle = rstyle_;
305 EpsilonType epsilon_;
317 EpsilonType epsilon()
const;
319 void epsilon(EpsilonType epsilon__);
322 bool eq(
const ValueType &first,
const ValueType &second)
const;
327 bool ne(
const ValueType &first,
const ValueType &second)
const;
333 bool gt(
const ValueType &first,
const ValueType &second)
const;
339 bool lt(
const ValueType &first,
const ValueType &second)
const;
345 bool ge(
const ValueType &first,
const ValueType &second)
const;
351 bool le(
const ValueType &first,
const ValueType &second)
const;
364 I
round(
const ValueType &val)
const;
377 I
trunc(
const ValueType &val)
const;
385 #endif //DUNE_COMMON_FLOAT_CMP_HH bool eq(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test for equality using epsilon
Definition: float_cmp.cc:133
T Type
The epsilon type corresponding to value type T.
Definition: float_cmp.cc:23
T ValueType
Type of the values to compare.
Definition: float_cmp.hh:297
Class encapsulating a default epsilon.
Definition: float_cmp.hh:286
the global default compare style (relative_weak)
Definition: float_cmp.hh:110
I round(const T &val, typename EpsilonType< T >::Type epsilon)
round using epsilon
Definition: float_cmp.cc:300
bool gt(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test if first greater than second
Definition: float_cmp.cc:147
the global default rounding style (toward_zero)
Definition: float_cmp.hh:124
always round away from 0
Definition: float_cmp.hh:118
RoundingStyle
Definition: float_cmp.hh:114
|a-b|/|a| <= epsilon || |a-b|/|b| <= epsilon
Definition: float_cmp.hh:104
|a-b|/|a| <= epsilon && |a-b|/|b| <= epsilon
Definition: float_cmp.hh:106
mapping from a value type and a compare style to a default epsilon
Definition: float_cmp.hh:136
Dune namespace.
Definition: alignedallocator.hh:9
CmpStyle
Definition: float_cmp.hh:102
round toward
Definition: float_cmp.hh:120
Mapping of value type to epsilon type.
Definition: float_cmp.cc:21
static EpsilonType< T >::Type value()
Returns the default epsilon for the given value type and compare style.
round toward
Definition: float_cmp.hh:122
bool le(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test if first lesser or equal second
Definition: float_cmp.cc:168
bool lt(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test if first lesser than second
Definition: float_cmp.cc:154
bool ge(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test if first greater or equal second
Definition: float_cmp.cc:161
FloatCmp::EpsilonType< T >::Type EpsilonType
Type of the epsilon.
Definition: float_cmp.hh:302
|a-b| <= epsilon
Definition: float_cmp.hh:108
bool ne(const T &first, const T &second, typename EpsilonType< T >::Type epsilon)
test for inequality using epsilon
Definition: float_cmp.cc:140
I trunc(const T &val, typename EpsilonType< T >::Type epsilon)
truncate using epsilon
Definition: float_cmp.cc:396
always round toward 0
Definition: float_cmp.hh:116