edimetia3d

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edimetia3d

import math
import numpy_financial as npf


def get_irr(loan, X, plan_month):
    """Finacial concept"""
    v = [-loan]
    for i in range(plan_month):
        v.append(X)
    return npf.irr(v)

edimetia3d

#include <condition_variable>
#include <mutex>
#include <atomic>
/**
 * A lock-free user space "mutex" implemented by std
 *
 * The core idea is very simple:
 * 1. when there is no contention, we use atomic release/acquire synchronization to do a lock-free lock/unlock.
 * 2. when there is contention, we use the syscall lock/unlock.
 *