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Functions4U: Added LinSpaced and EqualDecimals

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git-svn-id: svn://ultimatepp.org/upp/trunk@15597 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
koldo 2020-12-17 06:55:31 +00:00
parent fc39be66a0
commit d490af6a8a
1 changed files with 30 additions and 2 deletions
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32
bazaar/Functions4U/Functions4U.h
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@ -634,6 +634,19 @@ class ThreadSafe {
...
};*/
template <class Range>
void LinSpaced(Range &v, int n, typename Range::value_type min, typename Range::value_type max) {
ASSERT(n > 0);
v.SetCount(n);
if (n == 1)
v[0] = min;
else {
typename Range::value_type d = (max - min)/(n - 1);
for (int i = 0; i < n; ++i)
v[i] = min + d*i;
}
}
template <class C>
static void ShuffleAscending(C &data, std::default_random_engine &generator) {
for (int i = 0; i < data.size() - 2; i++) {
@ -686,6 +699,11 @@ bool EqualRatio(const T& a, const T& b, const T& ratio, const T& zero = 0) {
return false;
}
template <class T>
bool EqualDecimals(const T& a, const T& b, int numdecimals) {
return FormatDouble(a, numdecimals) == FormatDouble(b, numdecimals);
}
template <class Range>
int Find(const Range& r, const typename Range::value_type& value, int from = 0) {
for(int i = from; i < r.size(); i++)
@ -772,8 +790,8 @@ bool Compare(const Range& a, const Range& b) {
return true;
}
template <class Range>
bool CompareRatio(const Range& a, const Range& b, const typename Range::value_type& ratio) {
template <class Range1, class Range2>
bool CompareRatio(const Range1& a, const Range2& b, const typename Range1::value_type& ratio) {
if (a.size() != b.size())
return false;
for(int i = 0; i < a.size(); i++)
@ -782,6 +800,16 @@ bool CompareRatio(const Range& a, const Range& b, const typename Range::value_ty
return true;
}
template <class Range1, class Range2>
bool CompareDecimals(const Range1& a, const Range2& b, int numDecimals) {
if (a.size() != b.size())
return false;
for(int i = 0; i < a.size(); i++)
if (!EqualDecimals(a[i], b[i], numDecimals))
return false;
return true;
}
template <class Range>
String ToString(const Range& a) {
String ret;