qitar888 (Chia-sheng Chen)
- 07:54 PM Ruby trunk Feature #13208 (Closed): Vector.zero(n) and vector.zero?
- Found that I need this recently, and class `Matrix` has these two function while `Vector` not.
So I add two function...
- 09:02 AM Ruby trunk Feature #12647 (Closed): Make tanh faster when it lacks of HAVE_TANH
- I found tanh(x) in math.c return sinh(x) / cosh(x), which function call is a waist of time.
So I changed to (exp(2...
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