ta_cdltristar.c

股票主要技术指标源码

    */

   lookbackTotal = LOOKBACK_CALL(CDLTRISTAR)();

   /* 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. */
   BodyPeriodTotal = 0;
   BodyTrailingIdx = startIdx -2 - TA_CANDLEAVGPERIOD(BodyDoji);
   
   i = BodyTrailingIdx;
   while( i < startIdx-2 ) {
        BodyPeriodTotal += TA_CANDLERANGE( BodyDoji, i );
        i++;
   }

   /* Proceed with the calculation for the requested range.
    * Must have:
    * - 3 consecutive doji days
    * - the second doji is a star
    * The meaning of "doji" is specified with TA_SetCandleSettings
    * outInteger is positive (1 to 100) when bullish or negative (-1 to -100) when bearish
    */
   i = startIdx;
   outIdx = 0;
   do
   {
        if( TA_REALBODY(i-2) <= TA_CANDLEAVERAGE( BodyDoji, BodyPeriodTotal, i-2 ) &&    // 1st: doji
            TA_REALBODY(i-1) <= TA_CANDLEAVERAGE( BodyDoji, BodyPeriodTotal, i-2 ) &&    // 2nd: doji
            TA_REALBODY(i) <= TA_CANDLEAVERAGE( BodyDoji, BodyPeriodTotal, i-2 ) ) {     // 3rd: doji
            outInteger[outIdx] = 0;
            if ( TA_REALBODYGAPUP(i-1,i-2)                                                  // 2nd gaps up
                 &&
                 max(inOpen[i],inClose[i]) < max(inOpen[i-1],inClose[i-1])                  // 3rd is not higher than 2nd
               )
                outInteger[outIdx] = -100;
            if ( TA_REALBODYGAPDOWN(i-1,i-2)                                                // 2nd gaps down
                 &&
                 min(inOpen[i],inClose[i]) > min(inOpen[i-1],inClose[i-1])                  // 3rd is not lower than 2nd
               )
                outInteger[outIdx] = +100;
            outIdx++;
        }
        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)
         */
        BodyPeriodTotal += TA_CANDLERANGE( BodyDoji, i-2 ) - TA_CANDLERANGE( BodyDoji, BodyTrailingIdx );
        i++;
        BodyTrailingIdx++;
   } 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::CdlTristar( 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 cdlTristar( 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_CDLTRISTAR( 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 BodyPeriodTotal;
/* Generated */     int i, outIdx, BodyTrailingIdx, 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(CDLTRISTAR)();
/* 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 */    BodyPeriodTotal = 0;
/* Generated */    BodyTrailingIdx = startIdx -2 - TA_CANDLEAVGPERIOD(BodyDoji);
/* Generated */    i = BodyTrailingIdx;
/* Generated */    while( i < startIdx-2 ) {
/* Generated */         BodyPeriodTotal += TA_CANDLERANGE( BodyDoji, i );
/* Generated */         i++;
/* Generated */    }
/* Generated */    i = startIdx;
/* Generated */    outIdx = 0;
/* Generated */    do
/* Generated */    {
/* Generated */         if( TA_REALBODY(i-2) <= TA_CANDLEAVERAGE( BodyDoji, BodyPeriodTotal, i-2 ) &&    // 1st: doji
/* Generated */             TA_REALBODY(i-1) <= TA_CANDLEAVERAGE( BodyDoji, BodyPeriodTotal, i-2 ) &&    // 2nd: doji
/* Generated */             TA_REALBODY(i) <= TA_CANDLEAVERAGE( BodyDoji, BodyPeriodTotal, i-2 ) ) {     // 3rd: doji
/* Generated */             outInteger[outIdx] = 0;
/* Generated */             if ( TA_REALBODYGAPUP(i-1,i-2)                                                  // 2nd gaps up
/* Generated */                  &&
/* Generated */                  max(inOpen[i],inClose[i]) < max(inOpen[i-1],inClose[i-1])                  // 3rd is not higher than 2nd
/* Generated */                )
/* Generated */                 outInteger[outIdx] = -100;
/* Generated */             if ( TA_REALBODYGAPDOWN(i-1,i-2)                                                // 2nd gaps down
/* Generated */                  &&
/* Generated */                  min(inOpen[i],inClose[i]) > min(inOpen[i-1],inClose[i-1])                  // 3rd is not lower than 2nd
/* Generated */                )
/* Generated */                 outInteger[outIdx] = +100;
/* Generated */             outIdx++;
/* Generated */         }
/* Generated */         else
/* Generated */             outInteger[outIdx++] = 0;
/* Generated */         BodyPeriodTotal += TA_CANDLERANGE( BodyDoji, i-2 ) - TA_CANDLERANGE( BodyDoji, BodyTrailingIdx );
/* Generated */         i++;
/* Generated */         BodyTrailingIdx++;
/* 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 ****/