ta_cdlkickingbylength.c

股票主要技术指标源码

   /* Do the calculation using tight loops. */
   /* Add-up the initial period, except for the last value. */
   ShadowVeryShortPeriodTotal[1] = 0;
   ShadowVeryShortPeriodTotal[0] = 0;
   ShadowVeryShortTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowVeryShort);
   BodyLongPeriodTotal[1] = 0;
   BodyLongPeriodTotal[0] = 0;
   BodyLongTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(BodyLong);

   i = ShadowVeryShortTrailingIdx;
   while( i < startIdx ) {
        ShadowVeryShortPeriodTotal[1] += TA_CANDLERANGE( ShadowVeryShort, i-1 );
        ShadowVeryShortPeriodTotal[0] += TA_CANDLERANGE( ShadowVeryShort, i );
        i++;
   }
   i = BodyLongTrailingIdx;
   while( i < startIdx ) {
        BodyLongPeriodTotal[1] += TA_CANDLERANGE( BodyLong, i-1 );
        BodyLongPeriodTotal[0] += TA_CANDLERANGE( BodyLong, i );
        i++;
   }
   i = startIdx;

   /* Proceed with the calculation for the requested range.
    * Must have:
    * - first candle: marubozu
    * - second candle: opposite color marubozu
    * - gap between the two candles: upside gap if black then white, downside gap if white then black
    * The meaning of "long body" and "very short shadow" is specified with TA_SetCandleSettings
    * outInteger is positive (1 to 100) when bullish or negative (-1 to -100) when bearish; the longer of the two
    * marubozu determines the bullishness or bearishness of this pattern
    */
   outIdx = 0;
   do
   {
        if( TA_CANDLECOLOR(i-1) == -TA_CANDLECOLOR(i) &&                                        // opposite candles
            // 1st marubozu
            TA_REALBODY(i-1) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal[1], i-1 ) &&
            TA_UPPERSHADOW(i-1) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal[1], i-1 ) &&
            TA_LOWERSHADOW(i-1) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal[1], i-1 ) &&
            // 2nd marubozu
            TA_REALBODY(i) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal[0], i ) &&
            TA_UPPERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal[0], i ) &&
            TA_LOWERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal[0], i ) &&
            // gap
            ( 
              ( TA_CANDLECOLOR(i-1) == -1 && TA_CANDLEGAPUP(i,i-1) )
              ||
              ( TA_CANDLECOLOR(i-1) == 1 && TA_CANDLEGAPDOWN(i,i-1) )
            )
          )
            outInteger[outIdx++] = TA_CANDLECOLOR( ( TA_REALBODY(i) > TA_REALBODY(i-1) ? i : 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 = 1; totIdx >= 0; --totIdx) {
            BodyLongPeriodTotal[totIdx] += TA_CANDLERANGE( BodyLong, i-totIdx ) 
                                         - TA_CANDLERANGE( BodyLong, BodyLongTrailingIdx-totIdx );
            ShadowVeryShortPeriodTotal[totIdx] += TA_CANDLERANGE( ShadowVeryShort, i-totIdx ) 
                                                - TA_CANDLERANGE( ShadowVeryShort, ShadowVeryShortTrailingIdx-totIdx );
        }
        i++;
        ShadowVeryShortTrailingIdx++;
        BodyLongTrailingIdx++;
   } 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::CdlKickingByLength( 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 cdlKickingByLength( 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_CDLKICKINGBYLENGTH( 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(ShadowVeryShortPeriodTotal,2);
/* Generated */ 	ARRAY_LOCAL(BodyLongPeriodTotal,2);
/* Generated */     int i, outIdx, totIdx, ShadowVeryShortTrailingIdx, BodyLongTrailingIdx, 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(CDLKICKINGBYLENGTH)();
/* 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 */    ShadowVeryShortPeriodTotal[1] = 0;
/* Generated */    ShadowVeryShortPeriodTotal[0] = 0;
/* Generated */    ShadowVeryShortTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowVeryShort);
/* Generated */    BodyLongPeriodTotal[1] = 0;
/* Generated */    BodyLongPeriodTotal[0] = 0;
/* Generated */    BodyLongTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(BodyLong);
/* Generated */    i = ShadowVeryShortTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         ShadowVeryShortPeriodTotal[1] += TA_CANDLERANGE( ShadowVeryShort, i-1 );
/* Generated */         ShadowVeryShortPeriodTotal[0] += TA_CANDLERANGE( ShadowVeryShort, i );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = BodyLongTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         BodyLongPeriodTotal[1] += TA_CANDLERANGE( BodyLong, i-1 );
/* Generated */         BodyLongPeriodTotal[0] += TA_CANDLERANGE( BodyLong, i );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = startIdx;
/* Generated */    outIdx = 0;
/* Generated */    do
/* Generated */    {
/* Generated */         if( TA_CANDLECOLOR(i-1) == -TA_CANDLECOLOR(i) &&                                        // opposite candles
/* Generated */             // 1st marubozu
/* Generated */             TA_REALBODY(i-1) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal[1], i-1 ) &&
/* Generated */             TA_UPPERSHADOW(i-1) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal[1], i-1 ) &&
/* Generated */             TA_LOWERSHADOW(i-1) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal[1], i-1 ) &&
/* Generated */             // 2nd marubozu
/* Generated */             TA_REALBODY(i) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal[0], i ) &&
/* Generated */             TA_UPPERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal[0], i ) &&
/* Generated */             TA_LOWERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal[0], i ) &&
/* Generated */             // gap
/* Generated */             ( 
/* Generated */               ( TA_CANDLECOLOR(i-1) == -1 && TA_CANDLEGAPUP(i,i-1) )
/* Generated */               ||
/* Generated */               ( TA_CANDLECOLOR(i-1) == 1 && TA_CANDLEGAPDOWN(i,i-1) )
/* Generated */             )
/* Generated */           )
/* Generated */             outInteger[outIdx++] = TA_CANDLECOLOR( ( TA_REALBODY(i) > TA_REALBODY(i-1) ? i : i-1 ) ) * 100;
/* Generated */         else
/* Generated */             outInteger[outIdx++] = 0;
/* Generated */         for (totIdx = 1; totIdx >= 0; --totIdx) {
/* Generated */             BodyLongPeriodTotal[totIdx] += TA_CANDLERANGE( BodyLong, i-totIdx ) 
/* Generated */                                          - TA_CANDLERANGE( BodyLong, BodyLongTrailingIdx-totIdx );
/* Generated */             ShadowVeryShortPeriodTotal[totIdx] += TA_CANDLERANGE( ShadowVeryShort, i-totIdx ) 
/* Generated */                                                 - TA_CANDLERANGE( ShadowVeryShort, ShadowVeryShortTrailingIdx-totIdx );
/* Generated */         }
/* Generated */         i++;
/* Generated */         ShadowVeryShortTrailingIdx++;
/* Generated */         BodyLongTrailingIdx++;
/* 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 ****/