数值计算工具库,C语言编写的,可以直接调用.

				// bool treated as distinct type
				// BZ_BOOL
				
				int foo(int x)
				{
				    return 1;
				}
				
				int foo(char x)
				{
				    return 1;
				}
				
				int foo(bool x)
				{
				    return 0;
				}
				
				int main()    
				{
				    bool c = true;
				    return foo(c);
				}