def unparsed_input_form(self):
"""
Get the linear string representation of this object, if possible
(often it isn't).
EXAMPLES::
sage: a = axiom(x^2+1); a #optional - axiom
2
x + 1
sage: a.unparsed_input_form() #optional - axiom
'x*x+1'
sage: a = fricas(x^2+1) #optional - fricas
sage: a.unparsed_input_form() #optional - fricas
'x^2+1'
"""
P = self._check_valid()
s = P.eval('unparse(%s::InputForm)'%self._name)
if 'translation error' in s or 'Cannot convert' in s:
raise NotImplementedError
s = multiple_replace({'\r\n':'', # fix stupid Fortran-ish
'DSIN(':'sin(',
'DCOS(':'cos(',
'DTAN(':'tan(',
'DSINH(':'sinh('}, s)
r = re.search(r'"(.*)"',s)
if r:
return r.groups(0)[0]
else:
return s
def unparsed_input_form(self):
"""
Get the linear string representation of this object, if possible
(often it isn't).
EXAMPLES::
sage: a = axiom(x^2+1); a #optional - axiom
2
x + 1
sage: a.unparsed_input_form() #optional - axiom
'x*x+1'
sage: a = fricas(x^2+1) #optional - fricas
sage: a.unparsed_input_form() #optional - fricas
'x^2+1'
"""
P = self._check_valid()
s = P.eval('unparse(%s::InputForm)' % self._name)
if 'translation error' in s or 'Cannot convert' in s:
raise NotImplementedError
s = multiple_replace(
{
'\r\n': '', # fix stupid Fortran-ish
'DSIN(': 'sin(',
'DCOS(': 'cos(',
'DTAN(': 'tan(',
'DSINH(': 'sinh('
},
s)
r = re.search(r'"(.*)"', s)
if r:
return r.groups(0)[0]
else:
return s
def _latex_(self):
r"""
EXAMPLES::
sage: a = axiom(1/2) #optional - axiom
sage: latex(a) #optional - axiom
\frac{1}{2}
sage: a = fricas(1/2) #optional - fricas
sage: latex(a) #optional - fricas
1 \over 2
"""
self._check_valid()
P = self.parent()
s = P._eval_line('outputAsTex(%s)'%self.name(), reformat=False)
if not '$$' in s:
raise RuntimeError, "Error texing axiom object."
i = s.find('$$')
j = s.rfind('$$')
s = s[i+2:j]
s = multiple_replace({'\r':'', '\n':' ',
' \\sp ':'^',
'\\arcsin ':'\\sin^{-1} ',
'\\arccos ':'\\cos^{-1} ',
'\\arctan ':'\\tan^{-1} '},
re.sub(r'\\leqno\(.*?\)','',s)) # no eq number!
return s
def _latex_(self):
r"""
EXAMPLES::
sage: a = axiom(1/2) #optional - axiom
sage: latex(a) #optional - axiom
\frac{1}{2}
sage: a = fricas(1/2) #optional - fricas
sage: latex(a) #optional - fricas
1 \over 2
"""
self._check_valid()
P = self.parent()
s = P._eval_line('outputAsTex(%s)' % self.name(), reformat=False)
if not '$$' in s:
raise RuntimeError, "Error texing axiom object."
i = s.find('$$')
j = s.rfind('$$')
s = s[i + 2:j]
s = multiple_replace(
{
'\r': '',
'\n': ' ',
' \\sp ': '^',
'\\arcsin ': '\\sin^{-1} ',
'\\arccos ': '\\cos^{-1} ',
'\\arctan ': '\\tan^{-1} '
}, re.sub(r'\\leqno\(.*?\)', '', s)) # no eq number!
return s
def external_string(self):
"""
EXAMPLES:
sage: R = macaulay2("QQ[symbol x, symbol y]") #optional
sage: R.external_string() #optional
'QQ[x..y, Degrees => {2:1}, Heft => {1}, MonomialOrder => VerticalList{MonomialSize => 32, GRevLex => {2:1}, Position => Up}, DegreeRank => 1]'
"""
P = self._check_valid()
code = 'toExternalString(%s)'%self.name()
X = P.eval(code, strip=True)
if 'stdio:' in X:
if 'to external string' in X:
return P.eval('%s'%self.name())
raise RuntimeError("Error evaluating Macaulay2 code.\nIN:%s\nOUT:%s"%(code, X))
s = multiple_replace({'\r':'', '\n':' '}, X)
return s
def external_string(self):
"""
EXAMPLES:
sage: R = macaulay2("QQ[symbol x, symbol y]") #optional
sage: R.external_string() #optional
'QQ [x, y]'
"""
P = self._check_valid()
code = 'toExternalString(%s)'%self.name()
X = P.eval(code, strip=True)
if 'stdio:' in X:
if 'to external string' in X:
return P.eval('%s'%self.name())
raise RuntimeError, "Error evaluating Macaulay2 code.\nIN:%s\nOUT:%s"%(code, X)
s = multiple_replace({'\r':'', '\n':' '}, X)
return s
def external_string(self):
"""
EXAMPLES:
sage: R = macaulay2("QQ[symbol x, symbol y]") #optional
sage: R.external_string() #optional
'QQ[x..y, Degrees => {2:1}, Heft => {1}, MonomialOrder => VerticalList{MonomialSize => 32, GRevLex => {2:1}, Position => Up}, DegreeRank => 1]'
"""
P = self._check_valid()
code = 'toExternalString(%s)'%self.name()
X = P.eval(code, strip=True)
if 'stdio:' in X:
if 'to external string' in X:
return P.eval('%s'%self.name())
raise RuntimeError("Error evaluating Macaulay2 code.\nIN:%s\nOUT:%s"%(code, X))
s = multiple_replace({'\r':'', '\n':' '}, X)
return s
def external_string(self):
"""
EXAMPLES:
sage: R = macaulay2("QQ[symbol x, symbol y]") #optional
sage: R.external_string() #optional
'QQ [x, y]'
"""
P = self._check_valid()
code = 'toExternalString(%s)' % self.name()
X = P.eval(code, strip=True)
if 'stdio:' in X:
if 'to external string' in X:
return P.eval('%s' % self.name())
raise RuntimeError, "Error evaluating Macaulay2 code.\nIN:%s\nOUT:%s" % (
code, X)
s = multiple_replace({'\r': '', '\n': ' '}, X)
return s