记录: python-cpp数据验证

记录: python-cpp数据验证

• 总结
• 简单使用

总结

一个只有头文件的python,cpp数据互相验证的仓库，具体使用可以看readm

https://github.com/llohse/libnpy?tab=readme-ov-file#features

wget https://raw.githubusercontent.com/llohse/libnpy/master/include/npy.hpp --no-check-certificate

简单使用

• python

# 保存python np数据到文件中
import numpy as np

# 创建一个numpy数组
data = np.array([1., 2., 3., 4., 5.])
# 保存数组到文件
np.save('data.npy', data)
print('dtype:', data.dtype)

• cpp

#include "npy.hpp"
#include <vector>
#include <iostream>

int main() {
    std::vector<unsigned long> shape;
    std::vector<double> data;  // 改为 double 以匹配 float64
    bool fortran_order;

    npy::LoadArrayFromNumpy("../data.npy", shape, fortran_order, data);

    // 打印shape
    std::cout << "Shape: ";
    for (auto s : shape) {
        std::cout << s << " ";
    }
    std::cout << std::endl;

    // 打印数据
    std::cout << "Data: ";
    for (auto d : data) {
        std::cout << d << " ";
    }
    std::cout << std::endl;

    return 0;
}