@@ -20,8 +20,10 @@ $(T2 find, Finds backward index.)
2020$(T2 findIndex, Finds index.)
2121$(T2 fold, Accumulates all elements (different parameter order than `reduce`).)
2222$(T2 isSymmetric, Checks if the matrix is symmetric.)
23+ $(T2 maxElement, Returns the maximum.)
2324$(T2 maxIndex, Finds index of the maximum.)
2425$(T2 maxPos, Finds backward index of the maximum.)
26+ $(T2 minElement, Returns the minimum.)
2527$(T2 minIndex, Finds index of the minimum.)
2628$(T2 minmaxIndex, Finds indices of the minimum and the maximum.)
2729$(T2 minmaxPos, Finds backward indices of the minimum and the maximum.)
@@ -4432,3 +4434,86 @@ unittest
44324434 auto z4 = y.minIndex;
44334435 auto z5 = y.maxIndex;
44344436}
4437+ 4438+ /+ +
4439+ Returns the minimal(maximal) element of a multidimensional slice.
4440+
4441+ Params:
4442+ pred = A predicate.
4443+
4444+ See_also:
4445+ $(LREF minIndex),
4446+ $(LREF maxElement),
4447+ $(LREF maxIndex),
4448+ $(LREF maxPos).
4449+ +/
4450+ template minElement (alias pred = " a < b"
4451+ {
4452+ import mir.functional: naryFun;
4453+ static if (__traits(isSame, naryFun! pred, pred))
4454+ /+ +
4455+ Params:
4456+ slice = ndslice.
4457+ Returns:
4458+ Minimal(maximal) element of a multidimensional slice
4459+ +/
4460+ @fmamath DeepElementType! (Slice! (Iterator, N, kind)) minElement(Iterator, size_t N, SliceKind kind)(Slice! (Iterator, N, kind) slice)
4461+ {
4462+ return slice[slice.minIndex! pred];
4463+ }
4464+ else
4465+ alias minElement = .minElement! (naryFun! pred);
4466+ }
4467+ 4468+ // / ditto
4469+ template maxElement (alias pred = " a < b"
4470+ {
4471+ import mir.functional: naryFun, reverseArgs;
4472+ alias maxElement = minElement! (reverseArgs! (naryFun! pred));
4473+ }
4474+ 4475+ // /
4476+ @safe pure nothrow
4477+ version (mir_test)
4478+ unittest
4479+ {
4480+ import mir.ndslice.slice: sliced;
4481+ auto s = [
4482+ 2 , 6 , 4 , - 3 ,
4483+ 0 , - 4 , - 3 , 3 ,
4484+ - 3 , - 2 , 7 , 8 ,
4485+ ].sliced(3 , 4 );
4486+ 4487+ assert (s.minElement == - 4 );
4488+ assert (s.maxElement == 8 );
4489+ }
4490+ 4491+ // /
4492+ @safe pure nothrow
4493+ version (mir_test)
4494+ unittest
4495+ {
4496+ import mir.ndslice.slice: sliced;
4497+ auto s = [
4498+ - 8 , 6 , 4 , - 3 ,
4499+ 0 , - 4 , - 3 , 3 ,
4500+ - 3 , - 2 , 7 , 8 ,
4501+ ].sliced(3 , 4 );
4502+ 4503+ assert (s.minElement == - 8 );
4504+ }
4505+ 4506+ @safe pure nothrow
4507+ version (mir_test)
4508+ unittest
4509+ {
4510+ import mir.ndslice.slice: sliced;
4511+ auto s = [
4512+ 0 , 1 , 2 , 3 ,
4513+ 4 , 5 , 6 , 7 ,
4514+ 8 , 9 , 10 , 11
4515+ ].sliced(3 , 4 );
4516+ 4517+ assert (s.minElement == 0 );
4518+ assert (s.maxElement == 11 );
4519+ }
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