fix bug in power operator in LAMMPS variable expressions (e3973796) · Commits · 郑智淋 / lammps

src/variable.cpp

+4 −2

Original line number	Diff line number	Diff line
		@@ -2148,8 +2148,10 @@ double Variable::evaluate(char str, Tree *tree)
		argstack[nargstack++] = fmod(value1,value2);
		} else if (opprevious == CARAT) {
		if (value2 == 0.0)
		error->all(FLERR,"Power by 0 in variable formula");
		argstack[nargstack++] = pow(value1,value2);
		argstack[nargstack++] = 1.0;
		else if ((value1 == 0.0) && (value2 < 0.0))
		error->all(FLERR,"Invalid power expression in variable formula");
		else argstack[nargstack++] = pow(value1,value2);
		} else if (opprevious == UNARY) {
		argstack[nargstack++] = -value2;
		} else if (opprevious == NOT) {