修改getquery函数
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		| @@ -74,7 +74,7 @@ bus_query_t *SSTFGetQuery() | ||||
|     int a,b,length,min; | ||||
|     a = the_bus->rail_node_pos->id;  //是当前公交车的位置,而不是站点位置,应该两者差别不大 | ||||
|     b = rails->last_node->id;//总的站点数 | ||||
|     if (1 <= a <= b/2)//判断当前站点的位置 | ||||
|     if (a >= 1 && a <= (b/2))//判断当前站点的位置 | ||||
|     { | ||||
|         if (abs(a+b-queries->node->id) < abs(a-queries->node->id) ) //因为是环形轨道,用id相减的方式来计算距离的话,相减的方法不同 | ||||
|         { | ||||
| @@ -85,7 +85,7 @@ bus_query_t *SSTFGetQuery() | ||||
|             min = abs(a-queries->node->id); | ||||
|         } | ||||
|     } | ||||
|     else if (b/2 < a <=b) | ||||
|     else if (a > (b/2) && a <=b) | ||||
|     { | ||||
|         if (abs(queries->node->id+b-a) < abs(a-queries->node->id)) | ||||
|         { | ||||
| @@ -101,7 +101,7 @@ bus_query_t *SSTFGetQuery() | ||||
|     bus_query_t *result = queries;//如果第一个请求即最近的那一个,result=第一个请求 | ||||
|     while (p->time <= bus_time)//在当前的时间找到所有请求中最近的一个 | ||||
|     { | ||||
|         if (1 <= a <= b/2)//对当前站点所在的位置进行分类讨论 | ||||
|         if (a >= 1 && a <= (b/2))//对当前站点所在的位置进行分类讨论 | ||||
|         { | ||||
|             if (abs(a+b-p->node->id) <= abs(a-p->node->id) )  | ||||
|             { | ||||
| @@ -113,7 +113,7 @@ bus_query_t *SSTFGetQuery() | ||||
|                 } | ||||
|             } | ||||
|         } | ||||
|         else if (b/2 < a <=b) | ||||
|         else if (a > (b/2) && a <=b) | ||||
|         { | ||||
|             if (abs(p->node->id+b-a) <= abs(a-p->node->id)) | ||||
|             { | ||||
|   | ||||
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