""" This example shows how to read and write float datatypes to a dataset. The program first writes floats to a dataset with a dataspace of DIM0xDIM1, then closes the file. Next, it reopens the file, reads back the data, and outputs it to the screen. """ import numpy as np import h5py FILE = "h5ex_t_float.h5" DATASET = "DS1" DIM0 = 4 DIM1 = 7 def run(): # Initialize the data. wdata = np.zeros((DIM0, DIM1), dtype=np.float64) for i in range(DIM0): for j in range(DIM1): wdata[i][j] = i / (j + 0.5) + j with h5py.File(FILE, 'w') as f: dset = f.create_dataset(DATASET, (DIM0, DIM1), dtype='