precision and recall formuler wrong in your calculate

[machanic]

Precision = TP/(TP + FP)
recall = TP/(TP + FN)
confusion matrix is
cm = | TP FP |
| FN TN |
but in your code: https://github.com/l2ior/metrics/blob/master/func/auxs/cm2f1n.m#L25
and https://github.com/l2ior/metrics/blob/master/func/auxs/cm2f1f.m#L23
you have incorrect code here!