ta_cdlxsidegap3methods.c

股票主要技术指标源码

/* Generated */    #endif /* !defined(_JAVA) */
/* Generated */ #endif /* TA_FUNC_NO_RANGE_CHECK */
/* Generated */ 
/**** END GENCODE SECTION 4 - DO NOT DELETE THIS LINE ****/

   /* Identify the minimum number of price bar needed
    * to calculate at least one output.
    */

   lookbackTotal = LOOKBACK_CALL(CDLXSIDEGAP3METHODS)();

   /* Move up the start index if there is not
    * enough initial data.
    */
   if( startIdx < lookbackTotal )
      startIdx = lookbackTotal;

   /* Make sure there is still something to evaluate. */
   if( startIdx > endIdx )
   {
      VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
      VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
      return ENUM_VALUE(RetCode,TA_SUCCESS,Success);
   }

   /* Do the calculation using tight loops. */
   /* Add-up the initial period, except for the last value. */
   i = startIdx;

   /* Proceed with the calculation for the requested range.
    * Must have:
    * - first candle: white (black) candle
    * - second candle: white (black) candle
    * - upside (downside) gap between the first and the second real bodies
    * - third candle: black (white) candle that opens within the second real body and closes within the first real body
    * outInteger is positive (1 to 100) when bullish or negative (-1 to -100) when bearish;
    * the user should consider that up/downside gap 3 methods is significant when it appears in a trend, while this 
    * function does not consider it
    */
   outIdx = 0;
   do
   {
        if( TA_CANDLECOLOR(i-2) == TA_CANDLECOLOR(i-1) &&                   // 1st and 2nd of same color
            TA_CANDLECOLOR(i-1) == -TA_CANDLECOLOR(i) &&                    // 3rd opposite color
            inOpen[i] < max(inClose[i-1], inOpen[i-1]) &&                   // 3rd opens within 2nd rb
            inOpen[i] > min(inClose[i-1], inOpen[i-1]) &&
            inClose[i] < max(inClose[i-2], inOpen[i-2]) &&                  // 3rd closes within 1st rb
            inClose[i] > min(inClose[i-2], inOpen[i-2]) &&
            ( ( 
                TA_CANDLECOLOR(i-2) == 1 &&                                 // when 1st is white
                TA_REALBODYGAPUP(i-1,i-2)                                   // upside gap
              ) ||
              (
                TA_CANDLECOLOR(i-2) == -1 &&                                // when 1st is black
                TA_REALBODYGAPDOWN(i-1,i-2)                                 // downside gap
              )
            )
        )
            outInteger[outIdx++] = TA_CANDLECOLOR(i-2) * 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)
         */
        i++; 
   } 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::CdlXSideGap3Methods( 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 cdlXSideGap3Methods( 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_CDLXSIDEGAP3METHODS( 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 */     int i, outIdx, 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(CDLXSIDEGAP3METHODS)();
/* 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 */    i = startIdx;
/* Generated */    outIdx = 0;
/* Generated */    do
/* Generated */    {
/* Generated */         if( TA_CANDLECOLOR(i-2) == TA_CANDLECOLOR(i-1) &&                   // 1st and 2nd of same color
/* Generated */             TA_CANDLECOLOR(i-1) == -TA_CANDLECOLOR(i) &&                    // 3rd opposite color
/* Generated */             inOpen[i] < max(inClose[i-1], inOpen[i-1]) &&                   // 3rd opens within 2nd rb
/* Generated */             inOpen[i] > min(inClose[i-1], inOpen[i-1]) &&
/* Generated */             inClose[i] < max(inClose[i-2], inOpen[i-2]) &&                  // 3rd closes within 1st rb
/* Generated */             inClose[i] > min(inClose[i-2], inOpen[i-2]) &&
/* Generated */             ( ( 
/* Generated */                 TA_CANDLECOLOR(i-2) == 1 &&                                 // when 1st is white
/* Generated */                 TA_REALBODYGAPUP(i-1,i-2)                                   // upside gap
/* Generated */               ) ||
/* Generated */               (
/* Generated */                 TA_CANDLECOLOR(i-2) == -1 &&                                // when 1st is black
/* Generated */                 TA_REALBODYGAPDOWN(i-1,i-2)                                 // downside gap
/* Generated */               )
/* Generated */             )
/* Generated */         )
/* Generated */             outInteger[outIdx++] = TA_CANDLECOLOR(i-2) * 100;
/* Generated */         else
/* Generated */             outInteger[outIdx++] = 0;
/* Generated */         i++; 
/* 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 ****/