diff options
| author | cgohlke <cgohlke@uci.edu> | 2018-12-05 16:28:16 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-12-05 16:28:16 -0800 |
| commit | 612cd65633eefea009b9f1aae6605b73523259d2 (patch) | |
| tree | 69776a56066844f63f7fb2ae71f92e0aa9f6f7da /numpy | |
| parent | 8a115731966db1d723d03b4b599a5f3587edc94b (diff) | |
| download | numpy-612cd65633eefea009b9f1aae6605b73523259d2.tar.gz | |
BUG: fix records.fromfile fails to read data >4 GB
Use 64-bit integer accumulator for calculating the product of array shapes on 64-bit systems. Fixes #12442.
Diffstat (limited to 'numpy')
| -rw-r--r-- | numpy/core/records.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/numpy/core/records.py b/numpy/core/records.py index 9e09e46b3..db4a0fbd8 100644 --- a/numpy/core/records.py +++ b/numpy/core/records.py @@ -783,13 +783,13 @@ def fromfile(fd, dtype=None, shape=None, offset=0, formats=None, itemsize = descr.itemsize - shapeprod = sb.array(shape).prod() + shapeprod = sb.array(shape).prod(dtype=nt.intp) shapesize = shapeprod * itemsize if shapesize < 0: shape = list(shape) shape[shape.index(-1)] = size / -shapesize shape = tuple(shape) - shapeprod = sb.array(shape).prod() + shapeprod = sb.array(shape).prod(dtype=nt.intp) nbytes = shapeprod * itemsize |