From 9d8e2024ff9014fa2fd9a29812cec615dff6feb9 Mon Sep 17 00:00:00 2001 From: Travis Oliphant Date: Sat, 5 Aug 2006 01:20:56 +0000 Subject: More fixes to backward compatibility --- numpy/oldnumeric/functions.py | 62 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 numpy/oldnumeric/functions.py (limited to 'numpy/oldnumeric/functions.py') diff --git a/numpy/oldnumeric/functions.py b/numpy/oldnumeric/functions.py new file mode 100644 index 000000000..a905aa9a7 --- /dev/null +++ b/numpy/oldnumeric/functions.py @@ -0,0 +1,62 @@ +# Functions that should behave the same as Numeric + +import numpy as N +import numpy.core.multiarray as mu +import numpy.core.numeric as nn +from typeconv import convtypecode + +__all__ = ['take', 'repeat', 'sum', 'product', 'sometrue', 'alltrue', + 'cumsum', 'cumproduct'] +__all__ += ['ones', 'empty', 'identity', 'zeros'] + +def take(a, indicies, axis=0): + return N.take(a, indicies, axis) + +def repeat(a, repeats, axis=0): + return N.repeats(a, repeats, axis) + +def sum(x, axis=0): + return N.sum(x, axis) + +def product(x, axis=0): + return N.product(x, axis) + +def sometrue(x, axis=0): + return N.sometrue(x, axis) + +def alltrue(x, axis=0): + return N.alltrue(x, axis) + +def cumsum(x, axis=0): + return N.cumsum(x, axis) + +def cumproduct(x, axis=0): + return N.cumproduct(x, axis) + + +def ones(shape, typecode='l', savespace=0, dtype=None): + """ones(shape, dtype=int) returns an array of the given + dimensions which is initialized to all ones. + """ + dtype = convtypecode(typecode,dtype) + a = mu.empty(shape, dtype) + a.fill(1) + return a + +def zeros(shape, typecode='l', savespace=0, dtype=None): + """zeros(shape, dtype=int) returns an array of the given + dimensions which is initialized to all zeros + """ + dtype = convtypecode(typecode,dtype) + return mu.zeros(shape, dtype) + +def identity(n,typecode='l', dtype=None): + """identity(n) returns the identity 2-d array of shape n x n. + """ + dtype = convtypecode(typecode, dtype) + return nn.identity(n, dtype) + +def empty(shape, typecode='l', dtype=None): + dtype = convtypecode(typecode, dtype) + return mu.empty(shape, dtype, order) + -- cgit v1.2.1