tensorflow_backend.py 文件源码

def conv1d(x, kernel, stride=1, border_mode='valid',
           image_shape=None, filter_shape=None):
    """1D convolution.

    # Arguments
        kernel: kernel tensor.
        strides: stride integer.
        border_mode: string, `"same"` or `"valid"`.

    # Returns
        A tensor, result of 1D convolution.
    """
    # pre-process dtype
    x_dtype = dtype(x)
    if x_dtype == 'float64':
        x = tf.cast(x, 'float32')
        kernel = tf.cast(kernel, 'float32')
    padding = _preprocess_border_mode(border_mode)
    x = tf.nn.conv1d(x, kernel, stride, padding=padding)
    # post-process dtype
    if x_dtype == 'float64':
        x = tf.cast(x, 'float64')
    return x