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@lindahua
lindahua / regop.cpp
Created Oct 3, 2016
Simplified way to register operations (proof of concept)
View regop.cpp
// A proof-of-concept demonstration of Operation definition & registration
#include <functional>
#include <iostream>
#include <string>
#include <vector>
#include <utility>
#include <tuple>
#include <cassert>
#include <cmath>
@lindahua
lindahua / ju_sum.jl
Created Dec 16, 2013
A fast & accurate implementation of sum
View ju_sum.jl
# cascade sum
mid(i0::Integer, i1::Integer) = i0 + ((i1 - i0) >> 1)
function ssum{T}(a::AbstractArray{T}, ifirst::Int, ilast::Int)
n = ilast - ifirst + 1
if n < 4
s = zero(T)
i = ifirst
while i <= ilast
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