/* TA-LIB Copyright (c) 1999-2026, Mario Fortier
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
*   notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
*   notice, this list of conditions and the following disclaimer in
*   the documentation and/or other materials provided with the
*   distribution.
*
* - Neither name of author nor the names of its contributors
*   may be used to endorse or promote products derived from this
*   software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/* AUTO-GENERATED by ta_codegen — DO NOT EDIT.
* Source of truth: ta_codegen/input/<name>/  (regenerate: cd ta_codegen/generator && cargo run -- generate)
*/

#include <string.h>
#include <math.h>
#include "ta_func.h"
#include "ta_utility.h"
#include "ta_memory.h"
#include "ta_func_stream_private.h"

/* List of contributors:
 *
 *  Initial  Name/description
 *  -------------------------------------------------------------------
 *  AC       Angelo Ciceri
 *
 *
 * Change history:
 *
 *  MMDDYY BY   Description
 *  -------------------------------------------------------------------
 *  011605 AC   Creation
 */

TA_LIB_API int TA_CDLTASUKIGAP_Lookback( void )
{
   int Near_avgPeriod = TA_Globals->candleSettings[TA_Near].avgPeriod;
   return Near_avgPeriod + 2;
}

TA_LIB_API int TA_CDLTASUKIGAP_DisplayShift( int outputIdx )
{
   if( outputIdx < 0 || outputIdx >= 1 )
      return INT_MIN;
   return 0;
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP( int    startIdx,
                                       int    endIdx,
                                       const double inOpen[],
                                       const double inHigh[],
                                       const double inLow[],
                                       const double inClose[],
                                       int          *outBegIdx,
                                       int          *outNBElement,
                                       int        outInteger[] )
{
   double NearPeriodTotal;
   int i;
   int outIdx;
   int NearTrailingIdx;
   int lookbackTotal;
   int Near_avgPeriod = TA_Globals->candleSettings[TA_Near].avgPeriod;

   if( (startIdx < 0) || (startIdx > TA_INDEX_MAX) )
      return TA_OUT_OF_RANGE_START_INDEX;
   if( (endIdx < 0) || (endIdx > TA_INDEX_MAX) || (endIdx < startIdx) )
      return TA_OUT_OF_RANGE_END_INDEX;

   if( !inOpen )
      return TA_BAD_PARAM;
   if( !inHigh )
      return TA_BAD_PARAM;
   if( !inLow )
      return TA_BAD_PARAM;
   if( !inClose )
      return TA_BAD_PARAM;
   if( !outBegIdx || !outNBElement )
      return TA_BAD_PARAM;
   if( !outInteger )
      return TA_BAD_PARAM;

   /* Identify the minimum number of price bar needed
    * to calculate at least one output.
    */
   lookbackTotal = TA_CDLTASUKIGAP_Lookback();
   /* 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 )
   {
      *outBegIdx= 0;
      *outNBElement= 0;
      return TA_SUCCESS;
   }
   /* Do the calculation using tight loops. */
   /* Add-up the initial period, except for the last value. */
   NearPeriodTotal = 0;
   NearTrailingIdx = startIdx - Near_avgPeriod;
   i = NearTrailingIdx;
   while( i < startIdx )
   {
      NearPeriodTotal += TA_CANDLERANGE(Near,i - 1);
      i += 1;
   }
   i = startIdx;
   /* Proceed with the calculation for the requested range.
    * Must have:
    * - upside (downside) gap
    * - first candle after the window: white (black) candlestick
    * - second candle: black (white) candlestick that opens within the previous real body and closes under (above)
    *   the previous real body inside the gap
    * - the size of two real bodies should be near the same
    * The meaning of "near" 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 tasuki gap is significant when it appears in a trend, while this function does
    * not consider it
    */
   outIdx = 0;
   do
   {
      if( (((min(inOpen[i - 1],inClose[i - 1]) > max(inOpen[i - 2],inClose[i - 2])) ? 1 : 0) && /* upside gap */
           ((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) == 1 &&  /* 1st: white */
           ((inClose[i] >= inOpen[i]) ? 1 : -1) == -1 &&         /* 2nd: black */
           inOpen[i] < inClose[i - 1] &&
           inOpen[i] > inOpen[i - 1] &&                          /* that opens within the white rb */
           inClose[i] < inOpen[i - 1] &&                         /* and closes under the white rb */
           inClose[i] > max(inClose[i - 2],inOpen[i - 2]) &&     /* inside the gap */
           fabs(fabs(inClose[i - 1] - inOpen[i - 1]) - fabs(inClose[i] - inOpen[i])) < TA_CANDLEAVERAGE(Near,NearPeriodTotal,i - 1)) || /* size of 2 rb near the same */
          (((max(inOpen[i - 1],inClose[i - 1]) < min(inOpen[i - 2],inClose[i - 2])) ? 1 : 0) && /* downside gap */
           ((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) == -1 && /* 1st: black */
           ((inClose[i] >= inOpen[i]) ? 1 : -1) == 1 &&          /* 2nd: white */
           inOpen[i] < inOpen[i - 1] &&
           inOpen[i] > inClose[i - 1] &&                         /* that opens within the black rb */
           inClose[i] > inOpen[i - 1] &&                         /* and closes above the black rb */
           inClose[i] < min(inClose[i - 2],inOpen[i - 2]) &&     /* inside the gap */
           fabs(fabs(inClose[i - 1] - inOpen[i - 1]) - fabs(inClose[i] - inOpen[i])) < TA_CANDLEAVERAGE(Near,NearPeriodTotal,i - 1)) ) /* size of 2 rb near the same */
      {
         outInteger[outIdx++] = ((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -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)
       */
      NearPeriodTotal += TA_CANDLERANGE(Near,i - 1) - TA_CANDLERANGE(Near,NearTrailingIdx - 1);
      i += 1;
      NearTrailingIdx += 1;
   } while( i <= endIdx );
   /* All done. Indicate the output limits and return. */
   *outNBElement= outIdx;
   *outBegIdx= startIdx;
   return TA_SUCCESS;
}

TA_RetCode TA_S_CDLTASUKIGAP( int    startIdx,
                              int    endIdx,
                              const float inOpen[],
                              const float inHigh[],
                              const float inLow[],
                              const float inClose[],
                              int          *outBegIdx,
                              int          *outNBElement,
                              int        outInteger[] )
{
   double NearPeriodTotal;
   int i;
   int outIdx;
   int NearTrailingIdx;
   int lookbackTotal;
   int Near_avgPeriod = TA_Globals->candleSettings[TA_Near].avgPeriod;

   if( (startIdx < 0) || (startIdx > TA_INDEX_MAX) )
      return TA_OUT_OF_RANGE_START_INDEX;
   if( (endIdx < 0) || (endIdx > TA_INDEX_MAX) || (endIdx < startIdx) )
      return TA_OUT_OF_RANGE_END_INDEX;

   if( !inOpen )
      return TA_BAD_PARAM;
   if( !inHigh )
      return TA_BAD_PARAM;
   if( !inLow )
      return TA_BAD_PARAM;
   if( !inClose )
      return TA_BAD_PARAM;
   if( !outBegIdx || !outNBElement )
      return TA_BAD_PARAM;
   if( !outInteger )
      return TA_BAD_PARAM;

   lookbackTotal = TA_CDLTASUKIGAP_Lookback();
   if( startIdx < lookbackTotal )
   {
      startIdx = lookbackTotal;
   }
   if( startIdx > endIdx )
   {
      *outBegIdx= 0;
      *outNBElement= 0;
      return TA_SUCCESS;
   }
   NearPeriodTotal = 0;
   NearTrailingIdx = startIdx - Near_avgPeriod;
   i = NearTrailingIdx;
   while( i < startIdx )
   {
      NearPeriodTotal += TA_CANDLERANGE(Near,i - 1);
      i += 1;
   }
   i = startIdx;
   outIdx = 0;
   do
   {
      if( (((min((double)inOpen[i - 1],(double)inClose[i - 1]) > max((double)inOpen[i - 2],(double)inClose[i - 2])) ? 1 : 0) && (((double)inClose[i - 1] >= (double)inOpen[i - 1]) ? 1 : -1) == 1 && (((double)inClose[i] >= (double)inOpen[i]) ? 1 : -1) == -1 && (double)inOpen[i] < (double)inClose[i - 1] && (double)inOpen[i] > (double)inOpen[i - 1] && (double)inClose[i] < (double)inOpen[i - 1] && (double)inClose[i] > max((double)inClose[i - 2],(double)inOpen[i - 2]) && fabs(fabs((double)inClose[i - 1] - (double)inOpen[i - 1]) - fabs((double)inClose[i] - (double)inOpen[i])) < TA_CANDLEAVERAGE(Near,NearPeriodTotal,i - 1)) || (((max((double)inOpen[i - 1],(double)inClose[i - 1]) < min((double)inOpen[i - 2],(double)inClose[i - 2])) ? 1 : 0) && (((double)inClose[i - 1] >= (double)inOpen[i - 1]) ? 1 : -1) == -1 && (((double)inClose[i] >= (double)inOpen[i]) ? 1 : -1) == 1 && (double)inOpen[i] < (double)inOpen[i - 1] && (double)inOpen[i] > (double)inClose[i - 1] && (double)inClose[i] > (double)inOpen[i - 1] && (double)inClose[i] < min((double)inClose[i - 2],(double)inOpen[i - 2]) && fabs(fabs((double)inClose[i - 1] - (double)inOpen[i - 1]) - fabs((double)inClose[i] - (double)inOpen[i])) < TA_CANDLEAVERAGE(Near,NearPeriodTotal,i - 1)) )
      {
         outInteger[outIdx++] = (((double)inClose[i - 1] >= (double)inOpen[i - 1]) ? 1 : -1) * 100;
      } else 
      {
         outInteger[outIdx++] = 0;
      }
      NearPeriodTotal += TA_CANDLERANGE(Near,i - 1) - TA_CANDLERANGE(Near,NearTrailingIdx - 1);
      i += 1;
      NearTrailingIdx += 1;
   } while( i <= endIdx );
   *outNBElement= outIdx;
   *outBegIdx= startIdx;
   return TA_SUCCESS;
}

/**** Streaming API *****/

struct TA_CDLTASUKIGAP_Stream {
   /* The bars this handle has an output for (see TA_CDLTASUKIGAP_OutRange). */
   int outRangeBegIdx;
   int outRangeCount;
   /* The value(s) at the last bar the stream counted (see TA_CDLTASUKIGAP_Value). */
   int cur_outInteger;
   double NearPeriodTotal;
   double lag1_inOpen;
   double lag2_inOpen;
   double lag1_inHigh;
   double lag1_inLow;
   double lag1_inClose;
   double lag2_inClose;
   int ringPos_NearTrailingIdx;
   int ringCap_NearTrailingIdx;
   int ringLag_NearTrailingIdx;
   double *ring_NearTrailingIdx_derived;
};

/* Private function, not in public API. */
static void TA_CDLTASUKIGAP_ReleaseImpl( struct TA_CDLTASUKIGAP_Stream *sp )
{
   if( !sp ) return;
   if( sp->ring_NearTrailingIdx_derived ) TA_Free( sp->ring_NearTrailingIdx_derived );
   TA_Free( sp );
}

/* Private function, not in public API. */
static void TA_CDLTASUKIGAP_StepImpl( struct TA_CDLTASUKIGAP_Stream *sp, double inOpen, double inHigh, double inLow, double inClose, int *outInteger )
{
   sp->ring_NearTrailingIdx_derived[sp->ringPos_NearTrailingIdx] = TA_STREAM_CANDLERANGE(Near,inOpen,inHigh,inLow,inClose);
   if( (((min(sp->lag1_inOpen,sp->lag1_inClose) > max(sp->lag2_inOpen,sp->lag2_inClose)) ? 1 : 0) && /* upside gap */
        ((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) == 1 &&  /* 1st: white */
        ((inClose >= inOpen) ? 1 : -1) == -1 &&                   /* 2nd: black */
        inOpen < sp->lag1_inClose &&
        inOpen > sp->lag1_inOpen &&                               /* that opens within the white rb */
        inClose < sp->lag1_inOpen &&                              /* and closes under the white rb */
        inClose > max(sp->lag2_inClose,sp->lag2_inOpen) &&        /* inside the gap */
        fabs(fabs(sp->lag1_inClose - sp->lag1_inOpen) - fabs(inClose - inOpen)) < TA_STREAM_CANDLEAVERAGE(Near,sp->NearPeriodTotal,sp->lag1_inOpen,sp->lag1_inHigh,sp->lag1_inLow,sp->lag1_inClose)) || /* size of 2 rb near the same */
       (((max(sp->lag1_inOpen,sp->lag1_inClose) < min(sp->lag2_inOpen,sp->lag2_inClose)) ? 1 : 0) && /* downside gap */
        ((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) == -1 && /* 1st: black */
        ((inClose >= inOpen) ? 1 : -1) == 1 &&                    /* 2nd: white */
        inOpen < sp->lag1_inOpen &&
        inOpen > sp->lag1_inClose &&                              /* that opens within the black rb */
        inClose > sp->lag1_inOpen &&                              /* and closes above the black rb */
        inClose < min(sp->lag2_inClose,sp->lag2_inOpen) &&        /* inside the gap */
        fabs(fabs(sp->lag1_inClose - sp->lag1_inOpen) - fabs(inClose - inOpen)) < TA_STREAM_CANDLEAVERAGE(Near,sp->NearPeriodTotal,sp->lag1_inOpen,sp->lag1_inHigh,sp->lag1_inLow,sp->lag1_inClose)) ) /* size of 2 rb near the same */
   {
      *outInteger= ((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) * 100;
   } else 
   {
      *outInteger= 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)
    */
   sp->NearPeriodTotal += TA_STREAM_CANDLERANGE(Near,sp->lag1_inOpen,sp->lag1_inHigh,sp->lag1_inLow,sp->lag1_inClose) - sp->ring_NearTrailingIdx_derived[(sp->ringPos_NearTrailingIdx + sp->ringCap_NearTrailingIdx - sp->ringLag_NearTrailingIdx - 1) % sp->ringCap_NearTrailingIdx];
   sp->cur_outInteger = *outInteger;
   sp->lag2_inOpen = sp->lag1_inOpen;
   sp->lag1_inOpen = inOpen;
   sp->lag1_inHigh = inHigh;
   sp->lag1_inLow = inLow;
   sp->lag2_inClose = sp->lag1_inClose;
   sp->lag1_inClose = inClose;
   sp->ringPos_NearTrailingIdx = sp->ringPos_NearTrailingIdx + 1;
   if( sp->ringPos_NearTrailingIdx >= sp->ringCap_NearTrailingIdx )
   {
      sp->ringPos_NearTrailingIdx = 0;
   }
}

static TA_RetCode TA_CDLTASUKIGAP_OpenImpl( struct TA_CDLTASUKIGAP_Stream **stream, const double inOpen[], const double inHigh[], const double inLow[], const double inClose[], int startIdx, int historyLen, int *outBegIdx, int *outNBElement, int outInteger[], int outStride )
{
   struct TA_CDLTASUKIGAP_Stream *sp;
   int endIdx;

   if( !stream ) return TA_BAD_PARAM;
   *stream = NULL;
   if( historyLen < 1 ) return TA_OUT_OF_RANGE_START_INDEX;
   if( historyLen > TA_INDEX_MAX + 1 ) return TA_OUT_OF_RANGE_END_INDEX;
   if( !inOpen || !inHigh || !inLow || !inClose || !outInteger ) return TA_BAD_PARAM;
   if( startIdx > historyLen - 1 )
   {
      *outBegIdx = 0;
      *outNBElement = 0;
      return TA_INSUFFICIENT_HISTORY;
   }

   endIdx = historyLen - 1;

   {
      int Near_avgPeriod = TA_Globals->candleSettings[TA_Near].avgPeriod;
      double NearPeriodTotal = 0.0;
      int i;
      int outIdx;
      int NearTrailingIdx;
      int lookbackTotal;
      /* Identify the minimum number of price bar needed
       * to calculate at least one output.
       */
      lookbackTotal = TA_CDLTASUKIGAP_Lookback();
      /* 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 )
      {
         *outBegIdx= 0;
         *outNBElement= 0;
         return TA_INSUFFICIENT_HISTORY;
      }
      /* Do the calculation using tight loops. */
      /* Add-up the initial period, except for the last value. */
      NearPeriodTotal = 0;
      NearTrailingIdx = startIdx - Near_avgPeriod;
      i = NearTrailingIdx;
      while( i < startIdx )
      {
         NearPeriodTotal += TA_CANDLERANGE(Near,i - 1);
         i += 1;
      }
      i = startIdx;
      /* Proceed with the calculation for the requested range.
       * Must have:
       * - upside (downside) gap
       * - first candle after the window: white (black) candlestick
       * - second candle: black (white) candlestick that opens within the previous real body and closes under (above)
       *   the previous real body inside the gap
       * - the size of two real bodies should be near the same
       * The meaning of "near" 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 tasuki gap is significant when it appears in a trend, while this function does
       * not consider it
       */
      outIdx = 0;
      do
      {
         if( (((min(inOpen[i - 1],inClose[i - 1]) > max(inOpen[i - 2],inClose[i - 2])) ? 1 : 0) && /* upside gap */
              ((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) == 1 &&  /* 1st: white */
              ((inClose[i] >= inOpen[i]) ? 1 : -1) == -1 &&         /* 2nd: black */
              inOpen[i] < inClose[i - 1] &&
              inOpen[i] > inOpen[i - 1] &&                          /* that opens within the white rb */
              inClose[i] < inOpen[i - 1] &&                         /* and closes under the white rb */
              inClose[i] > max(inClose[i - 2],inOpen[i - 2]) &&     /* inside the gap */
              fabs(fabs(inClose[i - 1] - inOpen[i - 1]) - fabs(inClose[i] - inOpen[i])) < TA_CANDLEAVERAGE(Near,NearPeriodTotal,i - 1)) || /* size of 2 rb near the same */
             (((max(inOpen[i - 1],inClose[i - 1]) < min(inOpen[i - 2],inClose[i - 2])) ? 1 : 0) && /* downside gap */
              ((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) == -1 && /* 1st: black */
              ((inClose[i] >= inOpen[i]) ? 1 : -1) == 1 &&          /* 2nd: white */
              inOpen[i] < inOpen[i - 1] &&
              inOpen[i] > inClose[i - 1] &&                         /* that opens within the black rb */
              inClose[i] > inOpen[i - 1] &&                         /* and closes above the black rb */
              inClose[i] < min(inClose[i - 2],inOpen[i - 2]) &&     /* inside the gap */
              fabs(fabs(inClose[i - 1] - inOpen[i - 1]) - fabs(inClose[i] - inOpen[i])) < TA_CANDLEAVERAGE(Near,NearPeriodTotal,i - 1)) ) /* size of 2 rb near the same */
         {
            outInteger[outIdx++ * outStride] = ((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) * 100;
         } else 
         {
            outInteger[outIdx++ * outStride] = 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)
          */
         NearPeriodTotal += TA_CANDLERANGE(Near,i - 1) - TA_CANDLERANGE(Near,NearTrailingIdx - 1);
         i += 1;
         NearTrailingIdx += 1;
      } while( i <= endIdx );
      /* All done. Indicate the output limits and return. */
      *outNBElement= outIdx;
      *outBegIdx= startIdx;

      /* Capture the live batch state into the handle. */
      sp = (struct TA_CDLTASUKIGAP_Stream *)TA_Malloc( sizeof(*sp) );
      if( !sp ) { return TA_ALLOC_ERR; }
      memset( sp, 0, sizeof(*sp) );
      sp->NearPeriodTotal = NearPeriodTotal;
      sp->ringLag_NearTrailingIdx = (int)(i - NearTrailingIdx);
      sp->ringCap_NearTrailingIdx = sp->ringLag_NearTrailingIdx + 2;
      if( sp->ringLag_NearTrailingIdx < 0 || sp->ringCap_NearTrailingIdx > historyLen ) { TA_CDLTASUKIGAP_ReleaseImpl( sp ); return TA_INTERNAL_ERROR(306); }
      { size_t allocN = (size_t)(sp->ringCap_NearTrailingIdx > 0 ? sp->ringCap_NearTrailingIdx : 1);
        sp->ring_NearTrailingIdx_derived = (double *)TA_Malloc( sizeof(double) * allocN );
        if( !sp->ring_NearTrailingIdx_derived ) { TA_CDLTASUKIGAP_ReleaseImpl( sp ); return TA_ALLOC_ERR; }
        { int fillJ;
          for( fillJ = historyLen - sp->ringCap_NearTrailingIdx; fillJ < historyLen; fillJ++ )
             sp->ring_NearTrailingIdx_derived[fillJ % sp->ringCap_NearTrailingIdx] = TA_STREAM_CANDLERANGE(Near,inOpen[fillJ],inHigh[fillJ],inLow[fillJ],inClose[fillJ]);
        }
      }
      sp->ringPos_NearTrailingIdx = historyLen % sp->ringCap_NearTrailingIdx;
      sp->lag1_inOpen = inOpen[historyLen - 1];
      sp->lag2_inOpen = inOpen[historyLen - 2];
      sp->lag1_inHigh = inHigh[historyLen - 1];
      sp->lag1_inLow = inLow[historyLen - 1];
      sp->lag1_inClose = inClose[historyLen - 1];
      sp->lag2_inClose = inClose[historyLen - 2];
      sp->outRangeBegIdx = *outBegIdx;
      sp->outRangeCount = *outNBElement;
      sp->cur_outInteger = outInteger[(*outNBElement - 1) * outStride];
      *stream = sp;
      return TA_SUCCESS;
   }
}

/* Private function, not in public API. */
TA_RetCode TA_CDLTASUKIGAP_OpenInternal( struct TA_CDLTASUKIGAP_Stream **stream, const double inOpen[], const double inHigh[], const double inLow[], const double inClose[], int startIdx, int historyLen, int *outInteger )
{
   TA_RetCode retCode;
   int dummyBegIdx = 0;
   int dummyNBElement = 0;
   int sink_outInteger = 0;
   retCode = TA_CDLTASUKIGAP_OpenImpl( stream, inOpen, inHigh, inLow, inClose, startIdx, historyLen, &dummyBegIdx, &dummyNBElement, &sink_outInteger, 0 );
   if( retCode == TA_SUCCESS )
   {
      *outInteger = sink_outInteger;
   }
   return retCode;
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_Open( TA_CDLTASUKIGAP_Stream **stream, const double inOpen[], const double inHigh[], const double inLow[], const double inClose[], int historyLen, int *outInteger )
{
   if( !stream ) return TA_BAD_PARAM;
   *stream = NULL;
   if( historyLen < 1 ) return TA_OUT_OF_RANGE_START_INDEX;
   if( historyLen > TA_INDEX_MAX + 1 ) return TA_OUT_OF_RANGE_END_INDEX;
   if( !inOpen || !inHigh || !inLow || !inClose || !outInteger ) return TA_BAD_PARAM;
   return TA_CDLTASUKIGAP_OpenInternal( stream, inOpen, inHigh, inLow, inClose, 0, historyLen, outInteger );
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_OpenAndFill( TA_CDLTASUKIGAP_Stream **stream, const double inOpen[], const double inHigh[], const double inLow[], const double inClose[], int historyLen, int *outBegIdx, int *outNBElement, int outInteger[] )
{
   if( !stream ) return TA_BAD_PARAM;
   *stream = NULL;
   if( historyLen < 1 ) return TA_OUT_OF_RANGE_START_INDEX;
   if( historyLen > TA_INDEX_MAX + 1 ) return TA_OUT_OF_RANGE_END_INDEX;
   if( !inOpen || !inHigh || !inLow || !inClose || !outBegIdx || !outNBElement || !outInteger ) return TA_BAD_PARAM;
   if( (const void *)outInteger == (const void *)inOpen || (const void *)outInteger == (const void *)inHigh || (const void *)outInteger == (const void *)inLow || (const void *)outInteger == (const void *)inClose ) return TA_BAD_PARAM;
   return TA_CDLTASUKIGAP_OpenAndFillInternal( stream, inOpen, inHigh, inLow, inClose, 0, historyLen, outBegIdx, outNBElement, outInteger );
}

/* Private function, not in public API. */
TA_RetCode TA_CDLTASUKIGAP_OpenAndFillInternal( struct TA_CDLTASUKIGAP_Stream **stream, const double inOpen[], const double inHigh[], const double inLow[], const double inClose[], int startIdx, int historyLen, int *outBegIdx, int *outNBElement, int outInteger[] )
{
   return TA_CDLTASUKIGAP_OpenImpl( stream, inOpen, inHigh, inLow, inClose, startIdx, historyLen, outBegIdx, outNBElement, outInteger, 1 );
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_Update( TA_CDLTASUKIGAP_Stream *stream, double inOpen, double inHigh, double inLow, double inClose, int *outInteger )
{
   if( !stream ) return TA_BAD_PARAM;
   if( stream->outRangeBegIdx + stream->outRangeCount > TA_INDEX_MAX )
      return TA_OUT_OF_RANGE_END_INDEX;
   if( !outInteger ) return TA_BAD_PARAM;
   if( !TA_IS_FINITE( inOpen ) || !TA_IS_FINITE( inHigh ) || !TA_IS_FINITE( inLow ) || !TA_IS_FINITE( inClose ) ) return TA_BAD_PARAM;
   TA_CDLTASUKIGAP_StepImpl( stream, inOpen, inHigh, inLow, inClose, outInteger );
   stream->outRangeCount++;
   return TA_SUCCESS;
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_Peek( const TA_CDLTASUKIGAP_Stream *stream, double inOpen, double inHigh, double inLow, double inClose, int *outInteger )
{
   const struct TA_CDLTASUKIGAP_Stream *sp = stream;

   if( !stream || !outInteger ) return TA_BAD_PARAM;
   if( !TA_IS_FINITE( inOpen ) || !TA_IS_FINITE( inHigh ) || !TA_IS_FINITE( inLow ) || !TA_IS_FINITE( inClose ) ) return TA_BAD_PARAM;
   if( (((min(sp->lag1_inOpen,sp->lag1_inClose) > max(sp->lag2_inOpen,sp->lag2_inClose)) ? 1 : 0) && /* upside gap */
        ((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) == 1 &&  /* 1st: white */
        ((inClose >= inOpen) ? 1 : -1) == -1 &&                   /* 2nd: black */
        inOpen < sp->lag1_inClose &&
        inOpen > sp->lag1_inOpen &&                               /* that opens within the white rb */
        inClose < sp->lag1_inOpen &&                              /* and closes under the white rb */
        inClose > max(sp->lag2_inClose,sp->lag2_inOpen) &&        /* inside the gap */
        fabs(fabs(sp->lag1_inClose - sp->lag1_inOpen) - fabs(inClose - inOpen)) < TA_STREAM_CANDLEAVERAGE(Near,sp->NearPeriodTotal,sp->lag1_inOpen,sp->lag1_inHigh,sp->lag1_inLow,sp->lag1_inClose)) || /* size of 2 rb near the same */
       (((max(sp->lag1_inOpen,sp->lag1_inClose) < min(sp->lag2_inOpen,sp->lag2_inClose)) ? 1 : 0) && /* downside gap */
        ((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) == -1 && /* 1st: black */
        ((inClose >= inOpen) ? 1 : -1) == 1 &&                    /* 2nd: white */
        inOpen < sp->lag1_inOpen &&
        inOpen > sp->lag1_inClose &&                              /* that opens within the black rb */
        inClose > sp->lag1_inOpen &&                              /* and closes above the black rb */
        inClose < min(sp->lag2_inClose,sp->lag2_inOpen) &&        /* inside the gap */
        fabs(fabs(sp->lag1_inClose - sp->lag1_inOpen) - fabs(inClose - inOpen)) < TA_STREAM_CANDLEAVERAGE(Near,sp->NearPeriodTotal,sp->lag1_inOpen,sp->lag1_inHigh,sp->lag1_inLow,sp->lag1_inClose)) ) /* size of 2 rb near the same */
   {
      *outInteger= ((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) * 100;
   } else 
   {
      *outInteger= 0;
   }
   return TA_SUCCESS;
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_Close( TA_CDLTASUKIGAP_Stream *stream )
{
   TA_CDLTASUKIGAP_ReleaseImpl( stream );
   return TA_SUCCESS;
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_Value( const TA_CDLTASUKIGAP_Stream *stream, int *outInteger )
{
   if( !stream || !outInteger ) return TA_BAD_PARAM;
   *outInteger = stream->cur_outInteger;
   return TA_SUCCESS;
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_OutRange( const TA_CDLTASUKIGAP_Stream *stream, int *outBegIdx, int *outNBElement )
{
   if( !stream || !outBegIdx || !outNBElement ) return TA_BAD_PARAM;
   *outBegIdx = stream->outRangeBegIdx;
   *outNBElement = stream->outRangeCount;
   return TA_SUCCESS;
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_Advance( TA_CDLTASUKIGAP_Stream *stream )
{
   if( !stream ) return TA_BAD_PARAM;
   if( stream->outRangeBegIdx + stream->outRangeCount > TA_INDEX_MAX )
      return TA_OUT_OF_RANGE_END_INDEX;
   stream->outRangeCount++;
   return TA_SUCCESS;
}

TA_LIB_API TA_RetCode TA_CDLTASUKIGAP_Clone( const TA_CDLTASUKIGAP_Stream *stream, TA_CDLTASUKIGAP_Stream **clone )
{
   struct TA_CDLTASUKIGAP_Stream *sp;

   if( !clone ) return TA_BAD_PARAM;
   *clone = NULL;
   if( !stream ) return TA_BAD_PARAM;
   sp = (struct TA_CDLTASUKIGAP_Stream *)TA_Malloc( sizeof(*sp) );
   if( !sp ) return TA_ALLOC_ERR;
   *sp = *stream;
   sp->ring_NearTrailingIdx_derived = NULL;
   if( stream->ring_NearTrailingIdx_derived )
   { size_t copyN = (size_t)(sp->ringCap_NearTrailingIdx > 0 ? sp->ringCap_NearTrailingIdx : 1);
     sp->ring_NearTrailingIdx_derived = (double *)TA_Malloc( sizeof(double) * copyN );
     if( !sp->ring_NearTrailingIdx_derived ) { TA_CDLTASUKIGAP_Close( sp ); return TA_ALLOC_ERR; }
     memcpy( sp->ring_NearTrailingIdx_derived, stream->ring_NearTrailingIdx_derived, sizeof(double) * copyN ); }
   *clone = sp;
   return TA_SUCCESS;
}