BUG: special/_ufuncs: add missing ufuncs, fix signature order, handle…

… simultaneous return+output variables
Joezhaonn · Oct 7, 2012 · b8fde88 · b8fde88
1 parent 08b56a0
commit b8fde88
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Showing 3 changed files with 146 additions and 108 deletions.
diff --git a/scipy/special/add_newdocs.py b/scipy/special/add_newdocs.py
@@ -368,6 +368,11 @@ def add_newdoc(place, name, doc):
     x=gammainccinv(a,y) returns x such that gammaincc(a,x) = y.
     """)
 
+add_newdoc("scipy.special", "gammaincinv",
+    """
+    gammaincinv(a, y) returns x such that gammainc(a, x) = y.
+    """)
+
 add_newdoc("scipy.special", "gammaln",
     """
     y=gammaln(z) returns the base e logarithm of the absolute value of the

diff --git a/scipy/special/basic.py b/scipy/special/basic.py
@@ -25,8 +25,11 @@
            'polygamma', 'pro_cv_seq', 'psi', 'riccati_jn', 'riccati_yn',
            'sinc', 'sph_harm', 'sph_in', 'sph_inkn',
            'sph_jn', 'sph_jnyn', 'sph_kn', 'sph_yn', 'y0_zeros', 'y1_zeros',
-           'y1p_zeros', 'yn_zeros', 'ynp_zeros', 'yv', 'yvp', 'zeta']
+           'y1p_zeros', 'yn_zeros', 'ynp_zeros', 'yv', 'yvp', 'zeta',
+           'SpecialFunctionWarning']
 
+class SpecialFunctionWarning(Warning):
+    pass
 
 def sinc(x):
     """Returns sin(pi*x)/(pi*x) at all points of array x.