aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

A-M baby

Browse source
This commit is contained in:
Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Task/Binary-search/Mathematica/binary-search-1.mathematica Normal file
View file

@ -0,0 +1,9 @@
BinarySearchRecursive[x_List, val_, lo_, hi_] :=
Module[{mid = lo + Round@((hi - lo)/2)},
If[hi < lo, Return[-1]];
Return[
Which[x[[mid]] > val, BinarySearchRecursive[x, val, lo, mid - 1],
x[[mid]] < val, BinarySearchRecursive[x, val, mid + 1, hi],
True, mid]
];
]

10
Task/Binary-search/Mathematica/binary-search-2.mathematica Normal file
View file

@ -0,0 +1,10 @@
BinarySearch[x_List, val_] := Module[{lo = 1, hi = Length@x, mid},
While[lo <= hi,
mid = lo + Round@((hi - lo)/2);
Which[x[[mid]] > val, hi = mid - 1,
x[[mid]] < val, lo = mid + 1,
True, Return[mid]
];
];
Return[-1];
]