ta_cdl3linestrike.c

股票主要技术指标源码

      return ENUM_VALUE(RetCode,TA_SUCCESS,Success);
   }

   /* Do the calculation using tight loops. */
   /* Add-up the initial period, except for the last value. */
   NearPeriodTotal[3] = 0;
   NearPeriodTotal[2] = 0;
   NearTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(Near);
   
   i = NearTrailingIdx;
   while( i < startIdx ) {
        NearPeriodTotal[3] += TA_CANDLERANGE( Near, i-3 );
        NearPeriodTotal[2] += TA_CANDLERANGE( Near, i-2 );
        i++;
   }
   i = startIdx;

   /* Proceed with the calculation for the requested range.
    * Must have:
    * - three white soldiers (three black crows): three white (black) candlesticks with consecutively higher (lower) closes,
    * each opening within or near the previous real body
    * - fourth candle: black (white) candle that opens above (below) prior candle's close and closes below (above) 
    * the first candle's open
    * The meaning of "near" is specified with TA_SetCandleSettings;
    * outInteger is positive (1 to 100) when bullish or negative (-1 to -100) when bearish;
    * the user should consider that 3-line strike is significant when it appears in a trend in the same direction of
    * the first three candles, while this function does not consider it
    */
   outIdx = 0;
   do
   {
        if( TA_CANDLECOLOR(i-3) == TA_CANDLECOLOR(i-2) &&                                   // three with same color
            TA_CANDLECOLOR(i-2) == TA_CANDLECOLOR(i-1) &&
            TA_CANDLECOLOR(i) == -TA_CANDLECOLOR(i-1) &&                                    // 4th opposite color
                                                                                            // 2nd opens within/near 1st rb
            inOpen[i-2] >= min( inOpen[i-3], inClose[i-3] ) - TA_CANDLEAVERAGE( Near, NearPeriodTotal[3], i-3 ) &&
            inOpen[i-2] <= max( inOpen[i-3], inClose[i-3] ) + TA_CANDLEAVERAGE( Near, NearPeriodTotal[3], i-3 ) &&
                                                                                            // 3rd opens within/near 2nd rb
            inOpen[i-1] >= min( inOpen[i-2], inClose[i-2] ) - TA_CANDLEAVERAGE( Near, NearPeriodTotal[2], i-2 ) &&
            inOpen[i-1] <= max( inOpen[i-2], inClose[i-2] ) + TA_CANDLEAVERAGE( Near, NearPeriodTotal[2], i-2 ) &&
            (
                (   // if three white
                    TA_CANDLECOLOR(i-1) == 1 &&
                    inClose[i-1] > inClose[i-2] && inClose[i-2] > inClose[i-3] &&           // consecutive higher closes
                    inOpen[i] > inClose[i-1] &&                                             // 4th opens above prior close
                    inClose[i] < inOpen[i-3]                                                // 4th closes below 1st open
                ) ||
                (   // if three black
                    TA_CANDLECOLOR(i-1) == -1 &&
                    inClose[i-1] < inClose[i-2] && inClose[i-2] < inClose[i-3] &&           // consecutive lower closes
                    inOpen[i] < inClose[i-1] &&                                             // 4th opens below prior close
                    inClose[i] > inOpen[i-3]                                                // 4th closes above 1st open
                )
            )
          )
            outInteger[outIdx++] = TA_CANDLECOLOR(i-1) * 100;
        else
            outInteger[outIdx++] = 0;
        /* add the current range and subtract the first range: this is done after the pattern recognition 
         * when avgPeriod is not 0, that means "compare with the previous candles" (it excludes the current candle)
         */
        for (totIdx = 3; totIdx >= 2; --totIdx)
            NearPeriodTotal[totIdx] += TA_CANDLERANGE( Near, i-totIdx ) 
                                     - TA_CANDLERANGE( Near, NearTrailingIdx-totIdx );
        i++; 
        NearTrailingIdx++;
   } while( i <= endIdx );

   /* All done. Indicate the output limits and return. */
   VALUE_HANDLE_DEREF(outNBElement) = outIdx;
   VALUE_HANDLE_DEREF(outBegIdx)    = startIdx;

   return ENUM_VALUE(RetCode,TA_SUCCESS,Success);
}

/**** START GENCODE SECTION 5 - DO NOT DELETE THIS LINE ****/
/* Generated */ 
/* Generated */ #define  USE_SINGLE_PRECISION_INPUT
/* Generated */ #if !defined( _MANAGED ) && !defined( _JAVA )
/* Generated */    #undef   TA_PREFIX
/* Generated */    #define  TA_PREFIX(x) TA_S_##x
/* Generated */ #endif
/* Generated */ #undef   INPUT_TYPE
/* Generated */ #define  INPUT_TYPE float
/* Generated */ #if defined( _MANAGED )
/* Generated */ enum class Core::RetCode Core::Cdl3LineStrike( int    startIdx,
/* Generated */                                                int    endIdx,
/* Generated */                                                cli::array<float>^ inOpen,
/* Generated */                                                cli::array<float>^ inHigh,
/* Generated */                                                cli::array<float>^ inLow,
/* Generated */                                                cli::array<float>^ inClose,
/* Generated */                                                [Out]int%    outBegIdx,
/* Generated */                                                [Out]int%    outNBElement,
/* Generated */                                                cli::array<int>^  outInteger )
/* Generated */ #elif defined( _JAVA )
/* Generated */ public RetCode cdl3LineStrike( int    startIdx,
/* Generated */                                int    endIdx,
/* Generated */                                float        inOpen[],
/* Generated */                                float        inHigh[],
/* Generated */                                float        inLow[],
/* Generated */                                float        inClose[],
/* Generated */                                MInteger     outBegIdx,
/* Generated */                                MInteger     outNBElement,
/* Generated */                                int           outInteger[] )
/* Generated */ #else
/* Generated */ TA_RetCode TA_S_CDL3LINESTRIKE( int    startIdx,
/* Generated */                                 int    endIdx,
/* Generated */                                 const float  inOpen[],
/* Generated */                                 const float  inHigh[],
/* Generated */                                 const float  inLow[],
/* Generated */                                 const float  inClose[],
/* Generated */                                 int          *outBegIdx,
/* Generated */                                 int          *outNBElement,
/* Generated */                                 int           outInteger[] )
/* Generated */ #endif
/* Generated */ {
/* Generated */     ARRAY_LOCAL(NearPeriodTotal,4);
/* Generated */     int i, outIdx, totIdx, NearTrailingIdx, lookbackTotal;
/* Generated */  #ifndef TA_FUNC_NO_RANGE_CHECK
/* Generated */     if( startIdx < 0 )
/* Generated */        return ENUM_VALUE(RetCode,TA_OUT_OF_RANGE_START_INDEX,OutOfRangeStartIndex);
/* Generated */     if( (endIdx < 0) || (endIdx < startIdx))
/* Generated */        return ENUM_VALUE(RetCode,TA_OUT_OF_RANGE_END_INDEX,OutOfRangeEndIndex);
/* Generated */     #if !defined(_JAVA)
/* Generated */     if(!inOpen||!inHigh||!inLow||!inClose)
/* Generated */        return ENUM_VALUE(RetCode,TA_BAD_PARAM,BadParam);
/* Generated */     #endif 
/* Generated */     #if !defined(_JAVA)
/* Generated */     if( !outInteger )
/* Generated */        return ENUM_VALUE(RetCode,TA_BAD_PARAM,BadParam);
/* Generated */     #endif 
/* Generated */  #endif 
/* Generated */    lookbackTotal = LOOKBACK_CALL(CDL3LINESTRIKE)();
/* Generated */    if( startIdx < lookbackTotal )
/* Generated */       startIdx = lookbackTotal;
/* Generated */    if( startIdx > endIdx )
/* Generated */    {
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
/* Generated */       return ENUM_VALUE(RetCode,TA_SUCCESS,Success);
/* Generated */    }
/* Generated */    NearPeriodTotal[3] = 0;
/* Generated */    NearPeriodTotal[2] = 0;
/* Generated */    NearTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(Near);
/* Generated */    i = NearTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         NearPeriodTotal[3] += TA_CANDLERANGE( Near, i-3 );
/* Generated */         NearPeriodTotal[2] += TA_CANDLERANGE( Near, i-2 );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = startIdx;
/* Generated */    outIdx = 0;
/* Generated */    do
/* Generated */    {
/* Generated */         if( TA_CANDLECOLOR(i-3) == TA_CANDLECOLOR(i-2) &&                                   // three with same color
/* Generated */             TA_CANDLECOLOR(i-2) == TA_CANDLECOLOR(i-1) &&
/* Generated */             TA_CANDLECOLOR(i) == -TA_CANDLECOLOR(i-1) &&                                    // 4th opposite color
/* Generated */                                                                                             // 2nd opens within/near 1st rb
/* Generated */             inOpen[i-2] >= min( inOpen[i-3], inClose[i-3] ) - TA_CANDLEAVERAGE( Near, NearPeriodTotal[3], i-3 ) &&
/* Generated */             inOpen[i-2] <= max( inOpen[i-3], inClose[i-3] ) + TA_CANDLEAVERAGE( Near, NearPeriodTotal[3], i-3 ) &&
/* Generated */                                                                                             // 3rd opens within/near 2nd rb
/* Generated */             inOpen[i-1] >= min( inOpen[i-2], inClose[i-2] ) - TA_CANDLEAVERAGE( Near, NearPeriodTotal[2], i-2 ) &&
/* Generated */             inOpen[i-1] <= max( inOpen[i-2], inClose[i-2] ) + TA_CANDLEAVERAGE( Near, NearPeriodTotal[2], i-2 ) &&
/* Generated */             (
/* Generated */                 (   // if three white
/* Generated */                     TA_CANDLECOLOR(i-1) == 1 &&
/* Generated */                     inClose[i-1] > inClose[i-2] && inClose[i-2] > inClose[i-3] &&           // consecutive higher closes
/* Generated */                     inOpen[i] > inClose[i-1] &&                                             // 4th opens above prior close
/* Generated */                     inClose[i] < inOpen[i-3]                                                // 4th closes below 1st open
/* Generated */                 ) ||
/* Generated */                 (   // if three black
/* Generated */                     TA_CANDLECOLOR(i-1) == -1 &&
/* Generated */                     inClose[i-1] < inClose[i-2] && inClose[i-2] < inClose[i-3] &&           // consecutive lower closes
/* Generated */                     inOpen[i] < inClose[i-1] &&                                             // 4th opens below prior close
/* Generated */                     inClose[i] > inOpen[i-3]                                                // 4th closes above 1st open
/* Generated */                 )
/* Generated */             )
/* Generated */           )
/* Generated */             outInteger[outIdx++] = TA_CANDLECOLOR(i-1) * 100;
/* Generated */         else
/* Generated */             outInteger[outIdx++] = 0;
/* Generated */         for (totIdx = 3; totIdx >= 2; --totIdx)
/* Generated */             NearPeriodTotal[totIdx] += TA_CANDLERANGE( Near, i-totIdx ) 
/* Generated */                                      - TA_CANDLERANGE( Near, NearTrailingIdx-totIdx );
/* Generated */         i++; 
/* Generated */         NearTrailingIdx++;
/* Generated */    } while( i <= endIdx );
/* Generated */    VALUE_HANDLE_DEREF(outNBElement) = outIdx;
/* Generated */    VALUE_HANDLE_DEREF(outBegIdx)    = startIdx;
/* Generated */    return ENUM_VALUE(RetCode,TA_SUCCESS,Success);
/* Generated */ }
/* Generated */ 
/* Generated */ #if defined( _MANAGED )
/* Generated */ }}} // Close namespace TicTacTec.TA.Lib
/* Generated */ #endif
/**** END GENCODE SECTION 5 - DO NOT DELETE THIS LINE ****/