Comment #1 on issue 2646 by asmeurer: Space between multiple pretty-printed
multiple integral signs
http://code.google.com/p/sympy/issues/detail?id=2646
Something like this will fix the unicode. ASCII is a little more tricky.
I'm not sure if this looks the best for integrals with limits. Look at
what it does for [2] for example:
diff --git a/sympy/printing/pretty/pretty.py
b/sympy/printing/pretty/pretty.py
index 0b26497..9409373 100644
--- a/sympy/printing/pretty/pretty.py
+++ b/sympy/printing/pretty/pretty.py
@@ -318,13 +318,16 @@ def _print_Integral(self, integral):
# # but I left it as is
# pform = prettyForm(*pform.right(' '))
- if not ascii_mode: # XXX hack
- pform = prettyForm(*pform.right(' '))
if firstterm:
+ if not ascii_mode: # XXX hack
+ pform = prettyForm(*pform.right(' '))
+
s = pform # first term
firstterm = False
else:
+ if not ascii_mode and len(lim) > 1:
+ pform = prettyForm(*pform.right(' '))
s = prettyForm(*s.left(pform))
pform = prettyForm(*arg.left(s))
In [1]: Integral(sin(x*y*z), (x, 0, 1), y, z)
Out[1]:
1
⌠⌠⌠
⎮⎮⎮ sin(x⋅y⋅z) dx dy dz
⌡⌡⌡
0
In [2]: Integral(sin(x*y*z), (x, 0, 1), (y, 0, 1), z)
Out[2]:
1 1
⌠⌠ ⌠
⎮⎮ ⎮ sin(x⋅y⋅z) dx dy dz
⌡⌡ ⌡
0 0
In [3]: Integral(sin(x*y*z), (x, 0, 1), (y, 0, 1), (z, 0, 1))
Out[3]:
1 1 1
⌠ ⌠ ⌠
⎮ ⎮ ⎮ sin(x⋅y⋅z) dx dy dz
⌡ ⌡ ⌡
0 0 0
In [4]: Integral(sin(x*y*z), (x, 0, 1), (y, 0, 1), (z, 0, 1/(t + 1)))
Out[4]:
1
─────
t + 1 1 1
⌠ ⌠ ⌠
⎮ ⎮ ⎮ sin(x⋅y⋅z) dx dy dz
⌡ ⌡ ⌡
0 0 0
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