ta_cdlstalledpattern.c

股票主要技术指标源码

   while( i < startIdx ) {
        BodyShortPeriodTotal += TA_CANDLERANGE( BodyShort, i );
        i++;
   }
   i = ShadowVeryShortTrailingIdx;
   while( i < startIdx ) {
        ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i-1 );
        i++;
   }
   i = NearTrailingIdx;
   while( i < startIdx ) {
        NearPeriodTotal[2] += TA_CANDLERANGE( Near, i-2 );
        NearPeriodTotal[1] += TA_CANDLERANGE( Near, i-1 );
        i++;
   }
   i = startIdx;

   /* Proceed with the calculation for the requested range.
    * Must have:
    * - three white candlesticks with consecutively higher closes
    * - first candle: long white
    * - second candle: long white with no or very short upper shadow opening within or near the previous white real body
    * and closing higher than the prior candle
    * - third candle: small white that gaps away or "rides on the shoulder" of the prior long real body (= it's at 
    * the upper end of the prior real body)
    * The meanings of "long", "very short", "short", "near" are specified with TA_SetCandleSettings;
    * outInteger is negative (-1 to -100): stalled pattern is always bearish;
    * the user should consider that stalled pattern is significant when it appears in uptrend, while this function 
    * does not consider it
    */
   outIdx = 0;
   do
   {
        if( TA_CANDLECOLOR(i-2) == 1 &&                                             // 1st white
            TA_CANDLECOLOR(i-1) == 1 &&                                             // 2nd white
            TA_CANDLECOLOR(i) == 1 &&                                               // 3rd white
            inClose[i] > inClose[i-1] && inClose[i-1] > inClose[i-2] &&             // consecutive higher closes
            TA_REALBODY(i-2) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal[2], i-2 ) &&  // 1st: long real body
            TA_REALBODY(i-1) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal[1], i-1 ) &&  // 2nd: long real body
                                                                                    // very short upper shadow 
            TA_UPPERSHADOW(i-1) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal, i-1 ) &&
                                                                                    // opens within/near 1st real body
            inOpen[i-1] > inOpen[i-2] &&                                                    
            inOpen[i-1] <= inClose[i-2] + TA_CANDLEAVERAGE( Near, NearPeriodTotal[2], i-2 ) &&
            TA_REALBODY(i) < TA_CANDLEAVERAGE( BodyShort, BodyShortPeriodTotal, i ) &&       // 3rd: small real body
                                                                                    // rides on the shoulder of 2nd real body
            inOpen[i] >= inClose[i-1] - TA_REALBODY(i) - TA_CANDLEAVERAGE( Near, NearPeriodTotal[1], i-1 )
          )
            outInteger[outIdx++] = -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 = 2; totIdx >= 1; --totIdx) {
            BodyLongPeriodTotal[totIdx] += TA_CANDLERANGE( BodyLong, i-totIdx ) 
                                         - TA_CANDLERANGE( BodyLong, BodyLongTrailingIdx-totIdx );
            NearPeriodTotal[totIdx] += TA_CANDLERANGE( Near, i-totIdx ) 
                                     - TA_CANDLERANGE( Near, NearTrailingIdx-totIdx );
        }
        BodyShortPeriodTotal += TA_CANDLERANGE( BodyShort, i ) - TA_CANDLERANGE( BodyShort, BodyShortTrailingIdx );
        ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i-1 ) 
                                    - TA_CANDLERANGE( ShadowVeryShort, ShadowVeryShortTrailingIdx-1 );
        i++; 
        BodyLongTrailingIdx++;
        BodyShortTrailingIdx++;
        ShadowVeryShortTrailingIdx++;
        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::CdlStalledPattern( 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 cdlStalledPattern( 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_CDLSTALLEDPATTERN( 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(BodyLongPeriodTotal,3);
/* Generated */ 	ARRAY_LOCAL(NearPeriodTotal,3);
/* Generated */ 	double BodyShortPeriodTotal, ShadowVeryShortPeriodTotal;
/* Generated */     int i, outIdx, totIdx, BodyLongTrailingIdx, BodyShortTrailingIdx, ShadowVeryShortTrailingIdx, NearTrailingIdx, 
/* Generated */         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(CDLSTALLEDPATTERN)();
/* 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 */    BodyLongPeriodTotal[2] = 0;
/* Generated */    BodyLongPeriodTotal[1] = 0;
/* Generated */    BodyLongPeriodTotal[0] = 0;
/* Generated */    BodyLongTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(BodyLong);
/* Generated */    BodyShortPeriodTotal = 0;
/* Generated */    BodyShortTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(BodyShort);
/* Generated */    ShadowVeryShortPeriodTotal = 0;
/* Generated */    ShadowVeryShortTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowVeryShort);
/* Generated */    NearPeriodTotal[2] = 0;
/* Generated */    NearPeriodTotal[1] = 0;
/* Generated */    NearPeriodTotal[0] = 0;
/* Generated */    NearTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(Near);
/* Generated */    i = BodyLongTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         BodyLongPeriodTotal[2] += TA_CANDLERANGE( BodyLong, i-2 );
/* Generated */         BodyLongPeriodTotal[1] += TA_CANDLERANGE( BodyLong, i-1 );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = BodyShortTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         BodyShortPeriodTotal += TA_CANDLERANGE( BodyShort, i );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = ShadowVeryShortTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i-1 );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = NearTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         NearPeriodTotal[2] += TA_CANDLERANGE( Near, i-2 );
/* Generated */         NearPeriodTotal[1] += TA_CANDLERANGE( Near, i-1 );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = startIdx;
/* Generated */    outIdx = 0;
/* Generated */    do
/* Generated */    {
/* Generated */         if( TA_CANDLECOLOR(i-2) == 1 &&                                             // 1st white
/* Generated */             TA_CANDLECOLOR(i-1) == 1 &&                                             // 2nd white
/* Generated */             TA_CANDLECOLOR(i) == 1 &&                                               // 3rd white
/* Generated */             inClose[i] > inClose[i-1] && inClose[i-1] > inClose[i-2] &&             // consecutive higher closes
/* Generated */             TA_REALBODY(i-2) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal[2], i-2 ) &&  // 1st: long real body
/* Generated */             TA_REALBODY(i-1) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal[1], i-1 ) &&  // 2nd: long real body
/* Generated */                                                                                     // very short upper shadow 
/* Generated */             TA_UPPERSHADOW(i-1) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal, i-1 ) &&
/* Generated */                                                                                     // opens within/near 1st real body
/* Generated */             inOpen[i-1] > inOpen[i-2] &&                                                    
/* Generated */             inOpen[i-1] <= inClose[i-2] + TA_CANDLEAVERAGE( Near, NearPeriodTotal[2], i-2 ) &&
/* Generated */             TA_REALBODY(i) < TA_CANDLEAVERAGE( BodyShort, BodyShortPeriodTotal, i ) &&       // 3rd: small real body
/* Generated */                                                                                     // rides on the shoulder of 2nd real body
/* Generated */             inOpen[i] >= inClose[i-1] - TA_REALBODY(i) - TA_CANDLEAVERAGE( Near, NearPeriodTotal[1], i-1 )
/* Generated */           )
/* Generated */             outInteger[outIdx++] = -100;
/* Generated */         else
/* Generated */             outInteger[outIdx++] = 0;
/* Generated */         for (totIdx = 2; totIdx >= 1; --totIdx) {
/* Generated */             BodyLongPeriodTotal[totIdx] += TA_CANDLERANGE( BodyLong, i-totIdx ) 
/* Generated */                                          - TA_CANDLERANGE( BodyLong, BodyLongTrailingIdx-totIdx );
/* Generated */             NearPeriodTotal[totIdx] += TA_CANDLERANGE( Near, i-totIdx ) 
/* Generated */                                      - TA_CANDLERANGE( Near, NearTrailingIdx-totIdx );
/* Generated */         }
/* Generated */         BodyShortPeriodTotal += TA_CANDLERANGE( BodyShort, i ) - TA_CANDLERANGE( BodyShort, BodyShortTrailingIdx );
/* Generated */         ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i-1 ) 
/* Generated */                                     - TA_CANDLERANGE( ShadowVeryShort, ShadowVeryShortTrailingIdx-1 );
/* Generated */         i++; 
/* Generated */         BodyLongTrailingIdx++;
/* Generated */         BodyShortTrailingIdx++;
/* Generated */         ShadowVeryShortTrailingIdx++;
/* 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 ****/