在用dg128编制算法时，在调用一个函数时，编译通过了，但连接出了很多错误，哪位高手也遇到了同样的问题，请指点小弟一下，万分感谢！

link error: Ll822: Symbol_FADD in file G:\Line_test\Line_test_Data\Simulator\ObjectCode\main.c.o is undefined

link error: Ll822: Symbol_FMUL in file G:\Line_test\Line_test_Data\Simulator\ObjectCode\main.c.o is undefined

link error: Ll822: Symbol_FSUB in file G:\Line_test\Line_test_Data\Simulator\ObjectCode\main.c.o is undefined

link error: Ll822: Symbol_FSTRUNC in file G:\Line_test\Line_test_Data\Simulator\ObjectCode\main.c.o is undefined

link error: Ll822: Symbol_FDIV in file G:\Line_test\Line_test_Data\Simulator\ObjectCode\main.c.o is undefined

link error: Ll822: Symbol_FNEG in file G:\Line_test\Line_test_Data\Simulator\ObjectCode\main.c.o is undefined

link error: Ll822: Symbol_FSFLOAT in file G:\Line_test\Line_test_Data\Simulator\ObjectCode\main.c.o is undefined