Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/lib/info.py @ 87:2a2c65a20a8b
Add Python libs and headers
| author | Chris Cannam |
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| date | Wed, 25 Feb 2015 14:05:22 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/lib/info.py Wed Feb 25 14:05:22 2015 +0000 @@ -0,0 +1,151 @@ +""" +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, array result +isposinf Tests for positive infinity, array result +isnan Tests for nans, array result +isinf Tests for infinity, array result +isfinite Tests for finite numbers, array result +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) Manipulations +------------------------------- +================ =================== +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 Single precision floating point arithmetic parameters +machar_double Double precision floating point arithmetic parameters +================ =================== + +Threading Tricks +---------------- +================ =================== +ParallelExec Execute commands in parallel thread. +================ =================== + +1D Array Set Operations +----------------------- +Set operations for 1D numeric arrays based on sort() function. + +================ =================== +ediff1d Array difference (auxiliary function). +unique Unique elements of an array. +intersect1d Intersection of 1D arrays with unique elements. +setxor1d Set exclusive-or of 1D arrays with unique elements. +in1d Test whether elements in a 1D array are also present in + another array. +union1d Union of 1D arrays with unique elements. +setdiff1d Set difference of 1D arrays with unique elements. +================ =================== + +""" +from __future__ import division, absolute_import, print_function + +depends = ['core', 'testing'] +global_symbols = ['*']