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< li > < a class = "reference internal" href = "#interface" > Interface< / a > < / li >
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< div class = "section" id = "is-heap" >
< h1 > is_heap< a class = "headerlink" href = "#is-heap" title = "Permalink to this headline" > ¶< / a > < / h1 >
< div class = "section" id = "interface" >
< h2 > Interface< a class = "headerlink" href = "#interface" title = "Permalink to this headline" > ¶< / a > < / h2 >
< div class = "highlight-c++" > < div class = "highlight" > < pre > < span class = "k" > template< / span > < span class = "o" > < < / span > < span class = "k" > typename< / span > < span class = "n" > RandomAccessIterator< / span > < span class = "o" > > < / span >
< span class = "kr" > inline< / span > < span class = "n" > SPROUT_CONSTEXPR< / span > < span class = "kt" > bool< / span >
< span class = "n" > is_heap< / span > < span class = "p" > (< / span > < span class = "n" > RandomAccessIterator< / span > < span class = "n" > first< / span > < span class = "p" > ,< / span > < span class = "n" > RandomAccessIterator< / span > < span class = "n" > last< / span > < span class = "p" > );< / span >
< span class = "k" > template< / span > < span class = "o" > < < / span > < span class = "k" > typename< / span > < span class = "n" > RandomAccessIterator< / span > < span class = "p" > ,< / span > < span class = "k" > typename< / span > < span class = "n" > Compare< / span > < span class = "o" > > < / span >
< span class = "kr" > inline< / span > < span class = "n" > SPROUT_CONSTEXPR< / span > < span class = "kt" > bool< / span >
< span class = "n" > is_heap< / span > < span class = "p" > (< / span > < span class = "n" > RandomAccessIterator< / span > < span class = "n" > first< / span > < span class = "p" > ,< / span > < span class = "n" > RandomAccessIterator< / span > < span class = "n" > last< / span > < span class = "p" > ,< / span > < span class = "n" > Compare< / span > < span class = "n" > comp< / span > < span class = "p" > );< / span >
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< h2 > Returns< a class = "headerlink" href = "#returns" title = "Permalink to this headline" > ¶< / a > < / h2 >
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< div class = "line" > < tt class = "docutils literal" > < span class = "pre" > is_heap_until(first,< / span > < span class = "pre" > last)< / span > < span class = "pre" > ==< / span > < span class = "pre" > last< / span > < / tt > , < tt class = "docutils literal" > < span class = "pre" > is_heap_until(first,< / span > < span class = "pre" > last,< / span > < span class = "pre" > comp)< / span > < span class = "pre" > ==< / span > < span class = "pre" > last< / span > < / tt > < / div >
< / div >
< / div >
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< h2 > Examples< a class = "headerlink" href = "#examples" title = "Permalink to this headline" > ¶< / a > < / h2 >
< div class = "highlight-c++" > < div class = "highlight" > < pre > < span class = "cp" > #include < sprout/algorithm/is_heap.hpp> < / span >
< span class = "cp" > #include < sprout/array.hpp> < / span >
< span class = "cp" > #include < sprout/container.hpp> < / span >
< span class = "k" > using< / span > < span class = "k" > namespace< / span > < span class = "n" > sprout< / span > < span class = "p" > ;< / span >
< span class = "n" > SPROUT_STATIC_CONSTEXPR< / span > < span class = "k" > auto< / span > < span class = "n" > input< / span > < span class = "o" > =< / span > < span class = "n" > array< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "p" > ,< / span > < span class = "mi" > 10< / span > < span class = "o" > > < / span > < span class = "p" > {{< / span > < span class = "mi" > 10< / span > < span class = "p" > ,< / span > < span class = "mi" > 9< / span > < span class = "p" > ,< / span > < span class = "mi" > 8< / span > < span class = "p" > ,< / span > < span class = "mi" > 6< / span > < span class = "p" > ,< / span > < span class = "mi" > 7< / span > < span class = "p" > ,< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span > < span class = "mi" > 5< / span > < span class = "p" > ,< / span > < span class = "mi" > 3< / span > < span class = "p" > ,< / span > < span class = "mi" > 4< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > }};< / span >
< span class = "n" > SPROUT_STATIC_CONSTEXPR< / span > < span class = "k" > auto< / span > < span class = "n" > result< / span > < span class = "o" > =< / span > < span class = "n" > sprout< / span > < span class = "o" > ::< / span > < span class = "n" > is_heap< / span > < span class = "p" > (< / span > < span class = "n" > begin< / span > < span class = "p" > (< / span > < span class = "n" > input< / span > < span class = "p" > ),< / span > < span class = "n" > end< / span > < span class = "p" > (< / span > < span class = "n" > input< / span > < span class = "p" > ));< / span >
< span class = "n" > static_assert< / span > < span class = "p" > (< / span > < span class = "n" > result< / span > < span class = "p" > ,< / span > < span class = "s" > " input is a heap." < / span > < span class = "p" > );< / span >
< / pre > < / div >
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< h2 > Complexity< a class = "headerlink" href = "#complexity" title = "Permalink to this headline" > ¶< / a > < / h2 >
< div class = "line-block" >
< div class = "line" > Recursive function invocations in < em > O(logN)< / em > (logarithmic) depth.< / div >
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< h2 > Header< a class = "headerlink" href = "#header" title = "Permalink to this headline" > ¶< / a > < / h2 >
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< div class = "line" > < tt class = "docutils literal" > < span class = "pre" > sprout/algorithm/is_heap.hpp< / span > < / tt > < / div >
< div class = "line" > Convenience header: < tt class = "docutils literal" > < span class = "pre" > sprout/algorithm.hpp< / span > < / tt > < / div >
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