Exemplo n.º 1
0
    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 
Exemplo n.º 2
0
    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
Exemplo n.º 3
0
    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
Exemplo n.º 4
0
    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
Exemplo n.º 5
0
    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
Exemplo n.º 6
0
    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
Exemplo n.º 7
0
    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
Exemplo n.º 8
0
    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