Archived
34 lines
982 B
C
34 lines
982 B
C
#ifndef _DEG2DMS_H_
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#define _DEG2DMS_H_
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#include<stdlib.h>
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#include<math.h>
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typedef struct
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{
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double D;
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double M;
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double S;
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}deg2dms, *pdeg2dms;
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/* -------------------------------------------------------------------------- */
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/// @brief 将十进制的度数转换为度分秒形式
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/// @param deg2dms 结构体传递参数
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/// @param D 要转换度数
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/// @return 返回自定义结构体包含度，分，秒成员
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/* -------------------------------------------------------------------------- */
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pdeg2dms DEG2DMS(pdeg2dms deg2dms,
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double D)
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{
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deg2dms = (pdeg2dms)malloc(sizeof(pdeg2dms));
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int sig = D / fabs(D);//符号判断
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deg2dms->D = (int)(D);//转换为度分秒
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deg2dms->M = (int)((D - deg2dms->D) * 60);//分秒去除符号格式
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deg2dms->S = (int)(((D - deg2dms->D) * 60 - deg2dms->M) * 60);
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deg2dms->M = deg2dms->M * sig;
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deg2dms->S = deg2dms->S * sig;
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return deg2dms;
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}
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#endif |