pybind11/example/example7.py

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#!/usr/bin/env python
from __future__ import print_function
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import sys
sys.path.append('.')
from example import Matrix
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try:
import numpy as np
except ImportError:
print('NumPy missing')
exit(0)
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m = Matrix(5, 5)
print(m[2, 3])
m[2, 3] = 4
print(m[2, 3])
m2 = np.array(m, copy=False)
print(m2)
print(m2[2, 3])
m2[2, 3] = 5
print(m[2, 3])
m3 = np.array([[1,2,3],[4,5,6]]).astype(np.float32)
print(m3)
m4 = Matrix(m3)
for i in range(m4.rows()):
for j in range(m4.cols()):
print(m4[i, j], end = ' ')
print()