def _print_Add(self, expr):
# purpose: print complex numbers nicely in Fortran.
# collect the purely real and purely imaginary parts:
pure_real = []
pure_imaginary = []
mixed = []
for arg in expr.args:
if arg.is_real and arg.is_number:
pure_real.append(arg)
elif arg.is_imaginary and arg.is_number:
pure_imaginary.append(arg)
else:
mixed.append(arg)
if len(pure_imaginary) > 0:
if len(mixed) > 0:
PREC = precedence(expr)
term = Add(*mixed)
t = self._print(term)
if t.startswith('-'):
sign = "-"
t = t[1:]
else:
sign = "+"
if precedence(term) < PREC:
t = "(%s)" % t
return "cmplx(%s,%s) %s %s" % (
self._print(Add(*pure_real)),
self._print(-I * Add(*pure_imaginary)),
sign,
t,
)
else:
return "cmplx(%s,%s)" % (
self._print(Add(*pure_real)),
self._print(-I * Add(*pure_imaginary)),
)
else:
return StrPrinter._print_Add(self, expr)
def _print_Add(self, expr):
# purpose: print complex numbers nicely in Fortran.
# collect the purely real and purely imaginary parts:
pure_real = []
pure_imaginary = []
mixed = []
for arg in expr.args:
if arg.is_real and arg.is_number:
pure_real.append(arg)
elif arg.is_imaginary and arg.is_number:
pure_imaginary.append(arg)
else:
mixed.append(arg)
if len(pure_imaginary) > 0:
if len(mixed) > 0:
PREC = precedence(expr)
term = Add(*mixed)
t = self._print(term)
if t.startswith('-'):
sign = "-"
t = t[1:]
else:
sign = "+"
if precedence(term) < PREC:
t = "(%s)" % t
return "cmplx(%s,%s) %s %s" % (
self._print(Add(*pure_real)),
self._print(-I*Add(*pure_imaginary)),
sign, t,
)
else:
return "cmplx(%s,%s)" % (
self._print(Add(*pure_real)),
self._print(-I*Add(*pure_imaginary)),
)
else:
return StrPrinter._print_Add(self, expr)
