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qitar888 (Chia-sheng Chen)

  • Registered on: 07/22/2016
  • Last connection: 10/11/2018

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02/11/2017

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...
qitar888 (Chia-sheng Chen)

08/02/2016

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...
qitar888 (Chia-sheng Chen)

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