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-rw-r--r--numpy/lib/scimath.py79
1 files changed, 0 insertions, 79 deletions
diff --git a/numpy/lib/scimath.py b/numpy/lib/scimath.py
deleted file mode 100644
index cd3bea446..000000000
--- a/numpy/lib/scimath.py
+++ /dev/null
@@ -1,79 +0,0 @@
-"""
-Wrapper functions to more user-friendly calling of certain math functions
-whose output data-type is different than the input data-type in certain
-domains of the input.
-"""
-
-__all__ = ['sqrt', 'log', 'log2', 'logn','log10', 'power', 'arccos',
- 'arcsin', 'arctanh']
-
-import numpy.core.numeric as nx
-import numpy.core.numerictypes as nt
-from numpy.core.numeric import asarray, any
-from numpy.lib.type_check import isreal
-
-
-#__all__.extend([key for key in dir(nx.umath)
-# if key[0] != '_' and key not in __all__])
-
-_ln2 = nx.log(2.0)
-
-def _tocomplex(arr):
- if isinstance(arr.dtype, (nt.single, nt.byte, nt.short, nt.ubyte,
- nt.ushort)):
- return arr.astype(nt.csingle)
- else:
- return arr.astype(nt.cdouble)
-
-def _fix_real_lt_zero(x):
- x = asarray(x)
- if any(isreal(x) & (x<0)):
- x = _tocomplex(x)
- return x
-
-def _fix_real_abs_gt_1(x):
- x = asarray(x)
- if any(isreal(x) & (abs(x)>1)):
- x = _tocomplex(x)
- return x
-
-def sqrt(x):
- x = _fix_real_lt_zero(x)
- return nx.sqrt(x)
-
-def log(x):
- x = _fix_real_lt_zero(x)
- return nx.log(x)
-
-def log10(x):
- x = _fix_real_lt_zero(x)
- return nx.log10(x)
-
-def logn(n, x):
- """ Take log base n of x.
- """
- x = _fix_real_lt_zero(x)
- n = _fix_real_lt_zero(n)
- return log(x)/log(n)
-
-def log2(x):
- """ Take log base 2 of x.
- """
- x = _fix_real_lt_zero(x)
- return log(x)/_ln2
-
-def power(x, p):
- x = _fix_real_lt_zero(x)
- return nx.power(x, p)
-
-def arccos(x):
- x = _fix_real_abs_gt_1(x)
- return arccos(x)
-
-def arcsin(x):
- x = _fix_real_abs_gt_1(x)
- return arcsin(x)
-
-def arctanh(x):
- x = _fix_real_abs_gt_1(x)
- return arctanh(x)