def _print_Derivative(self, deriv):
# XXX use U('PARTIAL DIFFERENTIAL') here ?
syms = list(deriv.symbols)
syms.reverse()
x = None
for sym in syms:
S = self._print(sym)
dS= prettyForm(*S.left('d'))
if x is None:
x = dS
else:
x = prettyForm(*x.right(' '))
x = prettyForm(*x.right(dS))
f = prettyForm(binding=prettyForm.FUNC, *self._print(deriv.expr).parens())
pform = prettyForm('d')
if len(syms) > 1:
pform = pform ** prettyForm(str(len(deriv.symbols)))
pform = prettyForm(*pform.below(stringPict.LINE, x))
pform.baseline = pform.baseline + 1
pform = prettyForm(*stringPict.next(pform, f))
return pform
def _print_Derivative(self, deriv):
# XXX use U('PARTIAL DIFFERENTIAL') here ?
syms = list(deriv.symbols)
syms.reverse()
x = None
for sym in syms:
S = self._print(sym)
dS = prettyForm(*S.left('d'))
if x is None:
x = dS
else:
x = prettyForm(*x.right(' '))
x = prettyForm(*x.right(dS))
f = prettyForm(binding=prettyForm.FUNC,
*self._print(deriv.expr).parens())
pform = prettyForm('d')
if len(syms) > 1:
pform = pform**prettyForm(str(len(deriv.symbols)))
pform = prettyForm(*pform.below(stringPict.LINE, x))
pform.baseline = pform.baseline + 1
pform = prettyForm(*stringPict.next(pform, f))
return pform
def _print_Integral(self, integral):
f = integral.function
# Add parentheses if a sum and create pretty form for argument
prettyF = self._print(f)
# XXX generalize parents
if f.is_Add:
prettyF = prettyForm(*prettyF.parens())
# dx dy dz ...
arg = prettyF
for x,ab in integral.limits:
prettyArg = self._print(x)
# XXX qparens (parens if needs-parens)
if prettyArg.width() > 1:
prettyArg = prettyForm(*prettyArg.parens())
arg = prettyForm(*arg.right(' d', prettyArg))
# \int \int \int ...
firstterm = True
S = None
for x,ab in integral.limits:
# Create bar based on the height of the argument
h = arg.height()
H = h+2
# XXX hack!
ascii_mode = not pretty_use_unicode()
if ascii_mode:
H += 2
vint= vobj('int', H)
# Construct the pretty form with the integral sign and the argument
pform = prettyForm(vint)
#pform.baseline = pform.height()//2 # vcenter
pform.baseline = arg.baseline + (H-h)//2 # covering the whole argument
if ab is not None:
# Create pretty forms for endpoints, if definite integral
prettyA = self._print(ab[0])
prettyB = self._print(ab[1])
if ascii_mode: # XXX hack
# Add spacing so that endpoint can more easily be
# identified with the correct integral sign
spc = max(1, 3 - prettyB.width())
prettyB = prettyForm(*prettyB.left(' ' * spc))
spc = max(1, 4 - prettyA.width())
prettyA = prettyForm(*prettyA.right(' ' * spc))
pform = prettyForm(*pform.above(prettyB))
pform = prettyForm(*pform.below(prettyA))
#if ascii_mode: # XXX hack
# # too much vspace beetween \int and argument
# # but I left it as is
# pform = prettyForm(*pform.right(' '))
if not ascii_mode: # XXX hack
pform = prettyForm(*pform.right(' '))
if firstterm:
S = pform # first term
firstterm = False
else:
S = prettyForm(*S.left(pform))
pform = prettyForm(*arg.left(S))
return pform
def _print_Integral(self, integral):
f = integral.function
# Add parentheses if a sum and create pretty form for argument
prettyF = self._print(f)
# XXX generalize parents
if f.is_Add:
prettyF = prettyForm(*prettyF.parens())
# dx dy dz ...
arg = prettyF
for x, ab in integral.limits:
prettyArg = self._print(x)
# XXX qparens (parens if needs-parens)
if prettyArg.width() > 1:
prettyArg = prettyForm(*prettyArg.parens())
arg = prettyForm(*arg.right(' d', prettyArg))
# \int \int \int ...
firstterm = True
S = None
for x, ab in integral.limits:
# Create bar based on the height of the argument
h = arg.height()
H = h + 2
# XXX hack!
ascii_mode = not pretty_use_unicode()
if ascii_mode:
H += 2
vint = vobj('int', H)
# Construct the pretty form with the integral sign and the argument
pform = prettyForm(vint)
#pform.baseline = pform.height()//2 # vcenter
pform.baseline = arg.baseline + (
H - h) // 2 # covering the whole argument
if ab is not None:
# Create pretty forms for endpoints, if definite integral
prettyA = self._print(ab[0])
prettyB = self._print(ab[1])
if ascii_mode: # XXX hack
# Add spacing so that endpoint can more easily be
# identified with the correct integral sign
spc = max(1, 3 - prettyB.width())
prettyB = prettyForm(*prettyB.left(' ' * spc))
spc = max(1, 4 - prettyA.width())
prettyA = prettyForm(*prettyA.right(' ' * spc))
pform = prettyForm(*pform.above(prettyB))
pform = prettyForm(*pform.below(prettyA))
#if ascii_mode: # XXX hack
# # too much vspace beetween \int and argument
# # but I left it as is
# pform = prettyForm(*pform.right(' '))
if not ascii_mode: # XXX hack
pform = prettyForm(*pform.right(' '))
if firstterm:
S = pform # first term
firstterm = False
else:
S = prettyForm(*S.left(pform))
pform = prettyForm(*arg.left(S))
return pform
