More numpy fixes...

1 files changed, 121 insertions, 0 deletions

diff --git a/numpy/lib/info.py b/numpy/lib/info.py
new file mode 100644
index 000000000..e7b097f1b
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+__doc__ = \
+""" Basic functions used by several sub-packages and useful to have in the
+main name-space
+
+Type handling
+==============
+iscomplexobj     --  Test for complex object, scalar result
+isrealobj        --  Test for real object, scalar result
+iscomplex        --  Test for complex elements, array result
+isreal           --  Test for real elements, array result
+imag             --  Imaginary part
+real             --  Real part
+real_if_close    --  Turns complex number with tiny imaginary part to real
+isneginf         --  Tests for negative infinity ---|
+isposinf         --  Tests for positive infinity    |
+isnan            --  Tests for nans                 |----  array results
+isinf            --  Tests for infinity             |
+isfinite         --  Tests for finite numbers    ---| 
+isscalar         --  True if argument is a scalar
+nan_to_num       --  Replaces NaN's with 0 and infinities with large numbers
+cast             --  Dictionary of functions to force cast to each type
+common_type      --  Determine the 'minimum common type code' for a group
+                       of arrays
+mintypecode      --  Return minimal allowed common typecode.
+
+Index tricks
+==================
+mgrid            --  Method which allows easy construction of N-d 'mesh-grids'
+r_               --  Append and construct arrays: turns slice objects into
+                       ranges and concatenates them, for 2d arrays appends
+                       rows.
+index_exp        --  Konrad Hinsen's index_expression class instance which
+                     can be useful for building complicated slicing syntax.
+
+Useful functions
+==================
+select           --  Extension of where to multiple conditions and choices
+extract          --  Extract 1d array from flattened array according to mask
+insert           --  Insert 1d array of values into Nd array according to mask
+linspace         --  Evenly spaced samples in linear space
+logspace         --  Evenly spaced samples in logarithmic space
+fix              --  Round x to nearest integer towards zero
+mod              --  Modulo mod(x,y) = x % y except keeps sign of y
+amax             --  Array maximum along axis
+amin             --  Array minimum along axis
+ptp              --  Array max-min along axis
+cumsum           --  Cumulative sum along axis
+prod             --  Product of elements along axis
+cumprod          --  Cumluative product along axis
+diff             --  Discrete differences along axis
+angle            --  Returns angle of complex argument
+unwrap           --  Unwrap phase along given axis (1-d algorithm)
+sort_complex     --  Sort a complex-array (based on real, then imaginary)
+trim_zeros       --  trim the leading and trailing zeros from 1D array.
+
+vectorize        --  a class that wraps a Python function taking scalar
+                         arguments into a generalized function which
+                         can handle arrays of arguments using the broadcast
+                         rules of numerix Python.
+
+Shape manipulation
+===================
+squeeze          --  Return a with length-one dimensions removed.
+atleast_1d       --  Force arrays to be > 1D
+atleast_2d       --  Force arrays to be > 2D
+atleast_3d       --  Force arrays to be > 3D
+vstack           --  Stack arrays vertically (row on row)
+hstack           --  Stack arrays horizontally (column on column)
+column_stack     --  Stack 1D arrays as columns into 2D array
+dstack           --  Stack arrays depthwise (along third dimension)
+split            --  Divide array into a list of sub-arrays
+hsplit           --  Split into columns
+vsplit           --  Split into rows
+dsplit           --  Split along third dimension
+
+Matrix (2d array) manipluations
+===============================
+fliplr           --  2D array with columns flipped
+flipud           --  2D array with rows flipped
+rot90            --  Rotate a 2D array a multiple of 90 degrees
+eye              --  Return a 2D array with ones down a given diagonal
+diag             --  Construct a 2D array from a vector, or return a given
+                       diagonal from a 2D array.                       
+mat              --  Construct a Matrix
+bmat             --  Build a Matrix from blocks
+
+Polynomials
+============
+poly1d           --  A one-dimensional polynomial class
+
+poly             --  Return polynomial coefficients from roots
+roots            --  Find roots of polynomial given coefficients
+polyint          --  Integrate polynomial
+polyder          --  Differentiate polynomial
+polyadd          --  Add polynomials
+polysub          --  Substract polynomials
+polymul          --  Multiply polynomials
+polydiv          --  Divide polynomials
+polyval          --  Evaluate polynomial at given argument
+
+Import tricks
+=============
+ppimport         --  Postpone module import until trying to use it
+ppimport_attr    --  Postpone module import until trying to use its
+                      attribute
+ppresolve        --  Import postponed module and return it.
+
+Machine arithmetics
+===================
+machar_single    --  MachAr instance storing the parameters of system
+                     single precision floating point arithmetics
+machar_double    --  MachAr instance storing the parameters of system
+                     double precision floating point arithmetics
+
+Threading tricks
+================
+ParallelExec     --  Execute commands in parallel thread.
+"""
+
+depends = ['core','testing']
+global_symbols = ['*']