giac integrate

│ SageMath version 9.3, Release Date: 2021-05-09                     │
│ Using Python 3.9.5. Type "help()" for help.                        │
└────────────────────────────────────────────────────────────────────┘
sage: integrand=(x+(1+x)^(1/2))^(1/2)/(x^2+1)/(1+x)^(1/2)
sage: integrate(integrand, x, algorithm="giac")
---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)
/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/expect.py in __init__(self, parent, value, is_name, name)
   1467             try:
-> 1468                 self._name = parent._create(value, name=name)
   1469             # Convert ValueError and RuntimeError to TypeError for

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/interface.py in _create(self, value, name)
    499         name = self._next_var_name() if name is None else name
--> 500         self.set(name, value)
    501         return name

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/giac.py in set(self, var, value)
    662         cmd = '%s:=%s:;'%(var,value)   #if giac is not in maple mode ( maple_mode(0))
--> 663         out = self.eval(cmd)
    664         if out.find("error") != -1:

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/giac.py in eval(self, code, strip, **kwds)
    646              code = code.replace("\n","").strip()
--> 647         ans = Expect.eval(self, code, strip=strip, **kwds).strip()
    648         return ans

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/expect.py in eval(self, code, strip, synchronize, locals, allow_use_file, split_lines, **kwds)
   1380                 elif split_lines:
-> 1381                     return '\n'.join([self._eval_line(L, allow_use_file=allow_use_file, **kwds)
   1382                                         for L in code.split('\n') if L != ''])

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/expect.py in <listcomp>(.0)
   1380                 elif split_lines:
-> 1381                     return '\n'.join([self._eval_line(L, allow_use_file=allow_use_file, **kwds)
   1382                                         for L in code.split('\n') if L != ''])

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/giac.py in _eval_line(self, line, allow_use_file, wait_for_prompt, restart_if_needed)
    615             if z.lower().find("error") != -1:
--> 616                 raise RuntimeError("An error occurred running a Giac command:\nINPUT:\n%s\nOUTPUT:\n%s"%(line, z))
    617         lines = (line for line in z.splitlines()

RuntimeError: An error occurred running a Giac command:
INPUT:
sage2:=int(sage0,x):;
OUTPUT:
  ***   Warning: increasing stack size to 2048000.
Unable to convert to real -5.4348792461126750008981111610946592130*E43 Error: Bad Argument Value
Warning, integration of abs or sign assumes constant sign by intervals (correct if the argument is real):
Check [abs(t_nostep)]

Evaluation time: 2.12
"iquo Error: Bad Argument Type"

During handling of the above exception, another exception occurred:

TypeError                                 Traceback (most recent call last)
<ipython-input-2-372f79d10c8f> in <module>
----> 1 integrate(integrand, x, algorithm="giac")

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/misc/functional.py in integral(x, *args, **kwds)
    757     """
    758     if hasattr(x, 'integral'):
--> 759         return x.integral(*args, **kwds)
    760     else:
    761         from sage.symbolic.ring import SR

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/symbolic/expression.pyx in sage.symbolic.expression.Expression.integral (build/cythonized/sage/symbolic/expression.cpp:66858)()
  12645                     R = SR
  12646             return R(integral(f, v, a, b, **kwds))
> 12647         return integral(self, *args, **kwds)
  12648
  12649     integrate = integral

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/symbolic/integration/integral.py in integrate(expression, v, a, b, algorithm, hold)
    988         if not integrator:
    989             raise ValueError("Unknown algorithm: %s" % algorithm)
--> 990         return integrator(expression, v, a, b)
    991     if a is None:
    992         return indefinite_integral(expression, v, hold=hold)

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/symbolic/integration/external.py in giac_integrator(expression, v, a, b)
    440     ex = expression._giac_()
    441     if a is None:
--> 442         result = ex.integrate(v._giac_())
    443     else:
    444         result = ex.integrate(v._giac_(), a._giac_(), b._giac_())

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/giac.py in integral(self, var, min, max)
   1170         """
   1171         if min is None:
-> 1172             return giac('int(%s,%s)' % (self.name(), var))
   1173         else:
   1174             if max is None:

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/interface.py in __call__(self, x, name)
    293
    294         if isinstance(x, str):
--> 295             return cls(self, x, name=name)
    296         try:
    297             # Special methods do not and should not have an option to

/Applications/sage-dev/local/lib/python3.9/site-packages/sage/interfaces/expect.py in __init__(self, parent, value, is_name, name)
   1471             except (RuntimeError, ValueError) as x:
   1472                 self._session_number = -1
-> 1473                 raise TypeError(*x.args)
   1474             except BaseException:
   1475                 self._session_number = -1

TypeError: An error occurred running a Giac command:
INPUT:
sage2:=int(sage0,x):;
OUTPUT:
  ***   Warning: increasing stack size to 2048000.
Unable to convert to real -5.4348792461126750008981111610946592130*E43 Error: Bad Argument Value
Warning, integration of abs or sign assumes constant sign by intervals (correct if the argument is real):
Check [abs(t_nostep)]

Evaluation time: 2.12
"iquo Error: Bad Argument Type"