Mercurial > hg > may
changeset 475:ac3dd9a9d924
Add minValue, maxValue
| author | Chris Cannam |
|---|---|
| date | Thu, 31 Oct 2013 18:25:11 +0000 |
| parents | 0541d0d722df |
| children | fb39f266d810 |
| files | src/may/matrix.yeti |
| diffstat | 1 files changed, 18 insertions(+), 0 deletions(-) [+] |
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--- a/src/may/matrix.yeti Wed Oct 30 10:20:34 2013 +0000 +++ b/src/may/matrix.yeti Thu Oct 31 18:25:11 2013 +0000 @@ -759,6 +759,20 @@ fi fi); +minValue m = + if empty?' m then 0 + else + minv ll = fold min (head ll) (tail ll); + minv (map (.v) (enumerate m)); + fi; + +maxValue m = + if empty?' m then 0 + else + maxv ll = fold max (head ll) (tail ll); + maxv (map (.v) (enumerate m)); + fi; + //!!! todo: look at all occurrences of matrix (and complexmatrix) // construction and make sure we have good apis for those use cases. // in particular, constructing from literal data (list<list<number>>) @@ -793,6 +807,8 @@ toDense, scaled, resizedTo, + minValue, + maxValue, asRows, asColumns, sum = sum', @@ -845,6 +861,8 @@ toDense is matrix -> matrix, scaled is number -> matrix -> matrix, resizedTo is { .rows is number, .columns is number } -> matrix -> matrix, + minValue is matrix -> number, + maxValue is matrix -> number, asRows is matrix -> list<vector>, asColumns is matrix -> list<vector>, sum is matrix -> matrix -> matrix,