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Duan.cpp
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Duan.cpp
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#include <vector>
#include "Duan.h"
void Duan0(int nCount, float *pOut, float *pIn, float *pHigh, float *pLow)
{
int nState = 0;
int nLastD = 0; // 前一个向下线段的底
int nLastG = 0; // 前一个向上线段的顶
float fTop0 = 0;
float fTop1 = 0;
float fTop2 = 0;
float fBot0 = 0;
float fBot1 = 0;
float fBot2 = 0;
for (int i = 0; i < nCount; i++)
{
if (pIn[i] == 1)
{
fTop1 = fTop2;
fTop2 = pHigh[i];
}
else if (pIn[i] == -1) {
fBot1 = fBot2;
fBot2 = pLow[i];
}
if (nState == 0)
{
if (pIn[i] == 1)
{
nState = 1;
nLastG = i;
pOut[nLastG] = 1;
fTop0 = 0;
fBot0 = 0;
}
else if (pIn[i] == -1)
{
nState = -1;
nLastD = i;
pOut[nLastD] = -1;
fTop0 = 0;
fBot0 = 0;
}
}
else if (nState == 1) // 向上线段运行中
{
if (pIn[i] == 1) // 遇到高点
{
if (pHigh[i] > pHigh[nLastG]) // 比线段最高点还高,高点后移
{
pOut[nLastG] = 0;
nLastG = i;
pOut[nLastG] = 1;
fTop0 = 0;
fBot0 = 0;
}
}
else if (pIn[i] == -1) // 遇到低点
{
if (pLow[i] < pLow[nLastD]) // 低点比向上线段最低点还低了,当一段处理,也是终结。
{
nState = -1;
nLastD = i;
pOut[nLastD] = -1;
fTop0 = 0;
fBot0 = 0;
}
else if (fTop1 > 0 && fTop2 > 0 && fBot1 > 0 && fBot2 > 0 && fTop2 < fTop1 && fBot2 < fBot1) // 向上线段终结
{
nState = -1;
nLastD = i;
pOut[nLastD] = -1;
fTop0 = 0;
fBot0 = 0;
}
else
{
if (fBot0 == 0)
{
fBot0 = pLow[i];
}
else if (pLow[i] < fBot0) // 向上线段终结
{
nState = -1;
nLastD = i;
pOut[nLastD] = -1;
fTop0 = 0;
fBot0 = 0;
}
}
}
}
else if (nState == -1) // 向下线段运行中
{
if (pIn[i] == -1) // 遇到低点
{
if (pLow[i] < pLow[nLastD]) // 比线段最低点还低,低点后移
{
pOut[nLastD] = 0;
nLastD = i;
pOut[nLastD] = -1;
fTop0 = 0;
fBot0 = 0;
}
}
else if (pIn[i] == 1) // 遇到高点
{
if (pHigh[i] > pHigh[nLastG]) // 高点比向下线段最高点还高了,当一段处理,也是终结。
{
nState = 1;
nLastG = i;
pOut[nLastG] = 1;
fTop0 = 0;
fBot0 = 0;
}
else if (fTop1 > 0 && fTop2 > 0 && fBot1 > 0 && fBot2 > 0 && fTop2 > fTop1 && fBot2 > fBot1) // 向下线段终结
{
nState = 1;
nLastG = i;
pOut[nLastG] = 1;
fTop0 = 0;
fBot0 = 0;
}
else
{
if (fTop0 == 0)
{
fTop0 = pHigh[i];
}
else if (pHigh[i] > fTop0) // 向下线段终结
{
nState = 1;
nLastG = i;
pOut[nLastG] = 1;
fTop0 = 0;
fBot0 = 0;
}
}
}
}
}
}
void Duan1(int nCount, float *pOut, float *pIn, float *pHigh, float *pLow)
{
int nState = 0;
int nLastD = 0; // 前一个向下线段的底
int nLastG = 0; // 前一个向上线段的顶
float fTop1 = 0;
float fTop2 = 0;
float fBot1 = 0;
float fBot2 = 0;
for (int i = 0; i < nCount; i++)
{
if (pIn[i] == 1)
{
fTop1 = fTop2;
fTop2 = pHigh[i];
}
else if (pIn[i] == -1) {
fBot1 = fBot2;
fBot2 = pLow[i];
}
if (nState == 0)
{
if (pIn[i] == 1)
{
nState = 1;
nLastG = i;
pOut[nLastG] = 1;
}
else if (pIn[i] == -1)
{
nState = -1;
nLastD = i;
pOut[nLastD] = -1;
}
}
else if (nState == 1) // 向上线段运行中
{
if (pIn[i] == 1) // 遇到高点
{
if (pHigh[i] > pHigh[nLastG]) // 比线段最高点还高,高点后移
{
pOut[nLastG] = 0;
nLastG = i;
pOut[nLastG] = 1;
}
}
else if (pIn[i] == -1) // 遇到低点
{
if (pLow[i] < pLow[nLastD]) // 低点比向上线段最低点还低了,当一段处理,也是终结。
{
nState = -1;
nLastD = i;
pOut[nLastD] = -1;
}
else if (fTop1 > 0 && fTop2 > 0 && fBot1 > 0 && fBot2 > 0 && fTop2 < fTop1 && fBot2 < fBot1) // 向上线段终结
{
nState = -1;
nLastD = i;
pOut[nLastD] = -1;
}
}
}
else if (nState == -1) // 向下线段运行中
{
if (pIn[i] == -1) // 遇到低点
{
if (pLow[i] < pLow[nLastD]) // 比线段最低点还低,低点后移
{
pOut[nLastD] = 0;
nLastD = i;
pOut[nLastD] = -1;
}
}
else if (pIn[i] == 1) // 遇到高点
{
if (pHigh[i] > pHigh[nLastG]) // 高点比向下线段最高点还高了,当一段处理,也是终结。
{
nState = 1;
nLastG = i;
pOut[nLastG] = 1;
}
else if (fTop1 > 0 && fTop2 > 0 && fBot1 > 0 && fBot2 > 0 && fTop2 > fTop1 && fBot2 > fBot1) // 向下线段终结
{
nState = 1;
nLastG = i;
pOut[nLastG] = 1;
}
}
}
}
}