ta_cdlseparatinglines.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 = 0;
   ShadowVeryShortTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowVeryShort);
   BodyLongPeriodTotal = 0;
   BodyLongTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(BodyLong);
   EqualPeriodTotal = 0;
   EqualTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(Equal);

   i = ShadowVeryShortTrailingIdx;
   while( i < startIdx ) {
        ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i );
        i++;
   }
   i = BodyLongTrailingIdx;
   while( i < startIdx ) {
        BodyLongPeriodTotal += TA_CANDLERANGE( BodyLong, i );
        i++;
   }
   i = EqualTrailingIdx;
   while( i < startIdx ) {
        EqualPeriodTotal += TA_CANDLERANGE( Equal, i-1 );
        i++;
   }
   i = startIdx;

   /* Proceed with the calculation for the requested range.
    * Must have:
    * - first candle: black (white) candle
    * - second candle: bullish (bearish) belt hold with the same open as the prior candle
    * The meaning of "long body" and "very short shadow" of the belt hold 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 separating lines is significant when coming in a trend and the belt hold has 
    * the same direction of the trend, while this function does not consider it
    */
   outIdx = 0;
   do
   {
        if( TA_CANDLECOLOR(i-1) == -TA_CANDLECOLOR(i) &&                                        // opposite candles
            inOpen[i] <= inOpen[i-1] + TA_CANDLEAVERAGE( Equal, EqualPeriodTotal, i-1 ) &&   // same open
            inOpen[i] >= inOpen[i-1] - TA_CANDLEAVERAGE( Equal, EqualPeriodTotal, i-1 ) &&
            TA_REALBODY(i) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal, i ) &&         // belt hold: long body
            ( 
              ( TA_CANDLECOLOR(i) == 1 &&                                               // with no lower shadow if bullish
                TA_LOWERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal, i )
              )
              ||
              ( TA_CANDLECOLOR(i) == -1 &&                                              // with no upper shadow if bearish
                TA_UPPERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal, i )
              )
            )
          )
            outInteger[outIdx++] = TA_CANDLECOLOR(i) * 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)
         */
        ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i ) 
                                    - TA_CANDLERANGE( ShadowVeryShort, ShadowVeryShortTrailingIdx );
        BodyLongPeriodTotal += TA_CANDLERANGE( BodyLong, i ) - TA_CANDLERANGE( BodyLong, BodyLongTrailingIdx );
        EqualPeriodTotal += TA_CANDLERANGE( Equal, i-1 ) - TA_CANDLERANGE( Equal, EqualTrailingIdx-1 );
        i++;
        ShadowVeryShortTrailingIdx++;
        BodyLongTrailingIdx++;
        EqualTrailingIdx++;
   } 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::CdlSeperatingLines( 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 cdlSeperatingLines( 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_CDLSEPARATINGLINES( 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 */     double ShadowVeryShortPeriodTotal, BodyLongPeriodTotal, EqualPeriodTotal;
/* Generated */     int i, outIdx, ShadowVeryShortTrailingIdx, BodyLongTrailingIdx, EqualTrailingIdx, 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(CDLSEPARATINGLINES)();
/* 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 = 0;
/* Generated */    ShadowVeryShortTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowVeryShort);
/* Generated */    BodyLongPeriodTotal = 0;
/* Generated */    BodyLongTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(BodyLong);
/* Generated */    EqualPeriodTotal = 0;
/* Generated */    EqualTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(Equal);
/* Generated */    i = ShadowVeryShortTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = BodyLongTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         BodyLongPeriodTotal += TA_CANDLERANGE( BodyLong, i );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = EqualTrailingIdx;
/* Generated */    while( i < startIdx ) {
/* Generated */         EqualPeriodTotal += TA_CANDLERANGE( Equal, i-1 );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = startIdx;
/* Generated */    outIdx = 0;
/* Generated */    do
/* Generated */    {
/* Generated */         if( TA_CANDLECOLOR(i-1) == -TA_CANDLECOLOR(i) &&                                        // opposite candles
/* Generated */             inOpen[i] <= inOpen[i-1] + TA_CANDLEAVERAGE( Equal, EqualPeriodTotal, i-1 ) &&   // same open
/* Generated */             inOpen[i] >= inOpen[i-1] - TA_CANDLEAVERAGE( Equal, EqualPeriodTotal, i-1 ) &&
/* Generated */             TA_REALBODY(i) > TA_CANDLEAVERAGE( BodyLong, BodyLongPeriodTotal, i ) &&         // belt hold: long body
/* Generated */             ( 
/* Generated */               ( TA_CANDLECOLOR(i) == 1 &&                                               // with no lower shadow if bullish
/* Generated */                 TA_LOWERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal, i )
/* Generated */               )
/* Generated */               ||
/* Generated */               ( TA_CANDLECOLOR(i) == -1 &&                                              // with no upper shadow if bearish
/* Generated */                 TA_UPPERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal, i )
/* Generated */               )
/* Generated */             )
/* Generated */           )
/* Generated */             outInteger[outIdx++] = TA_CANDLECOLOR(i) * 100;
/* Generated */         else
/* Generated */             outInteger[outIdx++] = 0;
/* Generated */         ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i ) 
/* Generated */                                     - TA_CANDLERANGE( ShadowVeryShort, ShadowVeryShortTrailingIdx );
/* Generated */         BodyLongPeriodTotal += TA_CANDLERANGE( BodyLong, i ) - TA_CANDLERANGE( BodyLong, BodyLongTrailingIdx );
/* Generated */         EqualPeriodTotal += TA_CANDLERANGE( Equal, i-1 ) - TA_CANDLERANGE( Equal, EqualTrailingIdx-1 );
/* Generated */         i++;
/* Generated */         ShadowVeryShortTrailingIdx++;
/* Generated */         BodyLongTrailingIdx++;
/* Generated */         EqualTrailingIdx++;
/* 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 ****/