/* 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// (regenerate: cd ta_codegen/generator && cargo run -- generate) */ #include #include #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 * ------------------------------------------------------------------- * 102404 AC Creation * 040309 AC Increased flexibility to allow real bodies matching * on one end (Greg Morris - "Candlestick charting explained") */ TA_LIB_API int TA_CDLHARAMI_Lookback( void ) { int BodyLong_avgPeriod = TA_Globals->candleSettings[TA_BodyLong].avgPeriod; int BodyShort_avgPeriod = TA_Globals->candleSettings[TA_BodyShort].avgPeriod; return max(BodyShort_avgPeriod,BodyLong_avgPeriod) + 1; } TA_LIB_API int TA_CDLHARAMI_DisplayShift( int outputIdx ) { if( outputIdx < 0 || outputIdx >= 1 ) return INT_MIN; return 0; } TA_LIB_API TA_RetCode TA_CDLHARAMI( int startIdx, int endIdx, const double inOpen[], const double inHigh[], const double inLow[], const double inClose[], int *outBegIdx, int *outNBElement, int outInteger[] ) { double BodyShortPeriodTotal; double BodyLongPeriodTotal; int i; int outIdx; int BodyShortTrailingIdx; int BodyLongTrailingIdx; int lookbackTotal; int BodyLong_avgPeriod = TA_Globals->candleSettings[TA_BodyLong].avgPeriod; int BodyShort_avgPeriod = TA_Globals->candleSettings[TA_BodyShort].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_CDLHARAMI_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. */ BodyLongPeriodTotal = 0; BodyShortPeriodTotal = 0; BodyLongTrailingIdx = startIdx - 1 - BodyLong_avgPeriod; BodyShortTrailingIdx = startIdx - BodyShort_avgPeriod; i = BodyLongTrailingIdx; while( i < startIdx - 1 ) { BodyLongPeriodTotal += TA_CANDLERANGE(BodyLong,i); i += 1; } i = BodyShortTrailingIdx; while( i < startIdx ) { BodyShortPeriodTotal += TA_CANDLERANGE(BodyShort,i); i += 1; } i = startIdx; /* Proceed with the calculation for the requested range. * Must have: * - first candle: long white (black) real body * - second candle: short real body totally engulfed by the first * The meaning of "short" and "long" is specified with TA_SetCandleSettings * outInteger is positive (1 to 100) when bullish or negative (-1 to -100) when bearish: * - 100 is returned when the first candle's real body begins before and ends after the second candle's real body * - 80 is returned when the two real bodies match on one end (Greg Morris contemplate this case in his book * "Candlestick charting explained") * The user should consider that a harami is significant when it appears in a downtrend if bullish or * in an uptrend when bearish, while this function does not consider the trend */ outIdx = 0; do { if( fabs(inClose[i - 1] - inOpen[i - 1]) > TA_CANDLEAVERAGE(BodyLong,BodyLongPeriodTotal,i - 1) ) /* 1st: long */ { if( fabs(inClose[i] - inOpen[i]) <= TA_CANDLEAVERAGE(BodyShort,BodyShortPeriodTotal,i) ) /* 2nd: short */ { /* 2nd is engulfed by 1st */ if( max(inClose[i],inOpen[i]) < max(inClose[i - 1],inOpen[i - 1]) && min(inClose[i],inOpen[i]) > min(inClose[i - 1],inOpen[i - 1]) ) { outInteger[outIdx++] = -((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) * 100; /* 2nd is engulfed by 1st * (one end of real body can match; * engulfing guaranteed by "long" and "short") */ } else if( max(inClose[i],inOpen[i]) <= max(inClose[i - 1],inOpen[i - 1]) && min(inClose[i],inOpen[i]) >= min(inClose[i - 1],inOpen[i - 1]) ) { outInteger[outIdx++] = -((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) * 80; } else { outInteger[outIdx++] = 0; } } else { outInteger[outIdx++] = 0; } } 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) */ BodyLongPeriodTotal += TA_CANDLERANGE(BodyLong,i - 1) - TA_CANDLERANGE(BodyLong,BodyLongTrailingIdx); BodyShortPeriodTotal += TA_CANDLERANGE(BodyShort,i) - TA_CANDLERANGE(BodyShort,BodyShortTrailingIdx); i += 1; BodyLongTrailingIdx += 1; BodyShortTrailingIdx += 1; } while( i <= endIdx ); /* All done. Indicate the output limits and return. */ *outNBElement= outIdx; *outBegIdx= startIdx; return TA_SUCCESS; } TA_RetCode TA_S_CDLHARAMI( int startIdx, int endIdx, const float inOpen[], const float inHigh[], const float inLow[], const float inClose[], int *outBegIdx, int *outNBElement, int outInteger[] ) { double BodyShortPeriodTotal; double BodyLongPeriodTotal; int i; int outIdx; int BodyShortTrailingIdx; int BodyLongTrailingIdx; int lookbackTotal; int BodyLong_avgPeriod = TA_Globals->candleSettings[TA_BodyLong].avgPeriod; int BodyShort_avgPeriod = TA_Globals->candleSettings[TA_BodyShort].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_CDLHARAMI_Lookback(); if( startIdx < lookbackTotal ) { startIdx = lookbackTotal; } if( startIdx > endIdx ) { *outBegIdx= 0; *outNBElement= 0; return TA_SUCCESS; } BodyLongPeriodTotal = 0; BodyShortPeriodTotal = 0; BodyLongTrailingIdx = startIdx - 1 - BodyLong_avgPeriod; BodyShortTrailingIdx = startIdx - BodyShort_avgPeriod; i = BodyLongTrailingIdx; while( i < startIdx - 1 ) { BodyLongPeriodTotal += TA_CANDLERANGE(BodyLong,i); i += 1; } i = BodyShortTrailingIdx; while( i < startIdx ) { BodyShortPeriodTotal += TA_CANDLERANGE(BodyShort,i); i += 1; } i = startIdx; outIdx = 0; do { if( fabs((double)inClose[i - 1] - (double)inOpen[i - 1]) > TA_CANDLEAVERAGE(BodyLong,BodyLongPeriodTotal,i - 1) ) { if( fabs((double)inClose[i] - (double)inOpen[i]) <= TA_CANDLEAVERAGE(BodyShort,BodyShortPeriodTotal,i) ) { if( max((double)inClose[i],(double)inOpen[i]) < max((double)inClose[i - 1],(double)inOpen[i - 1]) && min((double)inClose[i],(double)inOpen[i]) > min((double)inClose[i - 1],(double)inOpen[i - 1]) ) { outInteger[outIdx++] = -(((double)inClose[i - 1] >= (double)inOpen[i - 1]) ? 1 : -1) * 100; } else if( max((double)inClose[i],(double)inOpen[i]) <= max((double)inClose[i - 1],(double)inOpen[i - 1]) && min((double)inClose[i],(double)inOpen[i]) >= min((double)inClose[i - 1],(double)inOpen[i - 1]) ) { outInteger[outIdx++] = -(((double)inClose[i - 1] >= (double)inOpen[i - 1]) ? 1 : -1) * 80; } else { outInteger[outIdx++] = 0; } } else { outInteger[outIdx++] = 0; } } else { outInteger[outIdx++] = 0; } BodyLongPeriodTotal += TA_CANDLERANGE(BodyLong,i - 1) - TA_CANDLERANGE(BodyLong,BodyLongTrailingIdx); BodyShortPeriodTotal += TA_CANDLERANGE(BodyShort,i) - TA_CANDLERANGE(BodyShort,BodyShortTrailingIdx); i += 1; BodyLongTrailingIdx += 1; BodyShortTrailingIdx += 1; } while( i <= endIdx ); *outNBElement= outIdx; *outBegIdx= startIdx; return TA_SUCCESS; } /**** Streaming API *****/ struct TA_CDLHARAMI_Stream { /* The bars this handle has an output for (see TA_CDLHARAMI_OutRange). */ int outRangeBegIdx; int outRangeCount; /* The value(s) at the last bar the stream counted (see TA_CDLHARAMI_Value). */ int cur_outInteger; double BodyShortPeriodTotal; double BodyLongPeriodTotal; double lag1_inOpen; double lag1_inHigh; double lag1_inLow; double lag1_inClose; int ringPos_BodyLongTrailingIdx; int ringCap_BodyLongTrailingIdx; double *ring_BodyLongTrailingIdx_derived; int ringPos_BodyShortTrailingIdx; int ringCap_BodyShortTrailingIdx; double *ring_BodyShortTrailingIdx_derived; }; /* Private function, not in public API. */ static void TA_CDLHARAMI_ReleaseImpl( struct TA_CDLHARAMI_Stream *sp ) { if( !sp ) return; if( sp->ring_BodyLongTrailingIdx_derived ) TA_Free( sp->ring_BodyLongTrailingIdx_derived ); if( sp->ring_BodyShortTrailingIdx_derived ) TA_Free( sp->ring_BodyShortTrailingIdx_derived ); TA_Free( sp ); } /* Private function, not in public API. */ static void TA_CDLHARAMI_StepImpl( struct TA_CDLHARAMI_Stream *sp, double inOpen, double inHigh, double inLow, double inClose, int *outInteger ) { if( sp->ringCap_BodyLongTrailingIdx == 0 ) { sp->ring_BodyLongTrailingIdx_derived[0] = TA_STREAM_CANDLERANGE(BodyLong,inOpen,inHigh,inLow,inClose); } if( sp->ringCap_BodyShortTrailingIdx == 0 ) { sp->ring_BodyShortTrailingIdx_derived[0] = TA_STREAM_CANDLERANGE(BodyShort,inOpen,inHigh,inLow,inClose); } if( fabs(sp->lag1_inClose - sp->lag1_inOpen) > TA_STREAM_CANDLEAVERAGE(BodyLong,sp->BodyLongPeriodTotal,sp->lag1_inOpen,sp->lag1_inHigh,sp->lag1_inLow,sp->lag1_inClose) ) /* 1st: long */ { if( fabs(inClose - inOpen) <= TA_STREAM_CANDLEAVERAGE(BodyShort,sp->BodyShortPeriodTotal,inOpen,inHigh,inLow,inClose) ) /* 2nd: short */ { /* 2nd is engulfed by 1st */ if( max(inClose,inOpen) < max(sp->lag1_inClose,sp->lag1_inOpen) && min(inClose,inOpen) > min(sp->lag1_inClose,sp->lag1_inOpen) ) { *outInteger= -((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) * 100; /* 2nd is engulfed by 1st * (one end of real body can match; * engulfing guaranteed by "long" and "short") */ } else if( max(inClose,inOpen) <= max(sp->lag1_inClose,sp->lag1_inOpen) && min(inClose,inOpen) >= min(sp->lag1_inClose,sp->lag1_inOpen) ) { *outInteger= -((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) * 80; } else { *outInteger= 0; } } else { *outInteger= 0; } } 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->BodyLongPeriodTotal += TA_STREAM_CANDLERANGE(BodyLong,sp->lag1_inOpen,sp->lag1_inHigh,sp->lag1_inLow,sp->lag1_inClose) - sp->ring_BodyLongTrailingIdx_derived[sp->ringPos_BodyLongTrailingIdx]; sp->BodyShortPeriodTotal += TA_STREAM_CANDLERANGE(BodyShort,inOpen,inHigh,inLow,inClose) - sp->ring_BodyShortTrailingIdx_derived[sp->ringPos_BodyShortTrailingIdx]; sp->cur_outInteger = *outInteger; sp->lag1_inOpen = inOpen; sp->lag1_inHigh = inHigh; sp->lag1_inLow = inLow; sp->lag1_inClose = inClose; sp->ring_BodyLongTrailingIdx_derived[sp->ringPos_BodyLongTrailingIdx] = TA_STREAM_CANDLERANGE(BodyLong,inOpen,inHigh,inLow,inClose); sp->ringPos_BodyLongTrailingIdx = sp->ringPos_BodyLongTrailingIdx + 1; if( sp->ringPos_BodyLongTrailingIdx >= sp->ringCap_BodyLongTrailingIdx ) { sp->ringPos_BodyLongTrailingIdx = 0; } sp->ring_BodyShortTrailingIdx_derived[sp->ringPos_BodyShortTrailingIdx] = TA_STREAM_CANDLERANGE(BodyShort,inOpen,inHigh,inLow,inClose); sp->ringPos_BodyShortTrailingIdx = sp->ringPos_BodyShortTrailingIdx + 1; if( sp->ringPos_BodyShortTrailingIdx >= sp->ringCap_BodyShortTrailingIdx ) { sp->ringPos_BodyShortTrailingIdx = 0; } } static TA_RetCode TA_CDLHARAMI_OpenImpl( struct TA_CDLHARAMI_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_CDLHARAMI_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 BodyLong_avgPeriod = TA_Globals->candleSettings[TA_BodyLong].avgPeriod; int BodyShort_avgPeriod = TA_Globals->candleSettings[TA_BodyShort].avgPeriod; double BodyShortPeriodTotal = 0.0; double BodyLongPeriodTotal = 0.0; int i; int outIdx; int BodyShortTrailingIdx; int BodyLongTrailingIdx; int lookbackTotal; /* Identify the minimum number of price bar needed * to calculate at least one output. */ lookbackTotal = TA_CDLHARAMI_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. */ BodyLongPeriodTotal = 0; BodyShortPeriodTotal = 0; BodyLongTrailingIdx = startIdx - 1 - BodyLong_avgPeriod; BodyShortTrailingIdx = startIdx - BodyShort_avgPeriod; i = BodyLongTrailingIdx; while( i < startIdx - 1 ) { BodyLongPeriodTotal += TA_CANDLERANGE(BodyLong,i); i += 1; } i = BodyShortTrailingIdx; while( i < startIdx ) { BodyShortPeriodTotal += TA_CANDLERANGE(BodyShort,i); i += 1; } i = startIdx; /* Proceed with the calculation for the requested range. * Must have: * - first candle: long white (black) real body * - second candle: short real body totally engulfed by the first * The meaning of "short" and "long" is specified with TA_SetCandleSettings * outInteger is positive (1 to 100) when bullish or negative (-1 to -100) when bearish: * - 100 is returned when the first candle's real body begins before and ends after the second candle's real body * - 80 is returned when the two real bodies match on one end (Greg Morris contemplate this case in his book * "Candlestick charting explained") * The user should consider that a harami is significant when it appears in a downtrend if bullish or * in an uptrend when bearish, while this function does not consider the trend */ outIdx = 0; do { if( fabs(inClose[i - 1] - inOpen[i - 1]) > TA_CANDLEAVERAGE(BodyLong,BodyLongPeriodTotal,i - 1) ) /* 1st: long */ { if( fabs(inClose[i] - inOpen[i]) <= TA_CANDLEAVERAGE(BodyShort,BodyShortPeriodTotal,i) ) /* 2nd: short */ { /* 2nd is engulfed by 1st */ if( max(inClose[i],inOpen[i]) < max(inClose[i - 1],inOpen[i - 1]) && min(inClose[i],inOpen[i]) > min(inClose[i - 1],inOpen[i - 1]) ) { outInteger[outIdx++ * outStride] = -((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) * 100; /* 2nd is engulfed by 1st * (one end of real body can match; * engulfing guaranteed by "long" and "short") */ } else if( max(inClose[i],inOpen[i]) <= max(inClose[i - 1],inOpen[i - 1]) && min(inClose[i],inOpen[i]) >= min(inClose[i - 1],inOpen[i - 1]) ) { outInteger[outIdx++ * outStride] = -((inClose[i - 1] >= inOpen[i - 1]) ? 1 : -1) * 80; } else { outInteger[outIdx++ * outStride] = 0; } } else { outInteger[outIdx++ * outStride] = 0; } } 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) */ BodyLongPeriodTotal += TA_CANDLERANGE(BodyLong,i - 1) - TA_CANDLERANGE(BodyLong,BodyLongTrailingIdx); BodyShortPeriodTotal += TA_CANDLERANGE(BodyShort,i) - TA_CANDLERANGE(BodyShort,BodyShortTrailingIdx); i += 1; BodyLongTrailingIdx += 1; BodyShortTrailingIdx += 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_CDLHARAMI_Stream *)TA_Malloc( sizeof(*sp) ); if( !sp ) { return TA_ALLOC_ERR; } memset( sp, 0, sizeof(*sp) ); sp->BodyShortPeriodTotal = BodyShortPeriodTotal; sp->BodyLongPeriodTotal = BodyLongPeriodTotal; sp->ringCap_BodyLongTrailingIdx = (int)(i - BodyLongTrailingIdx); if( sp->ringCap_BodyLongTrailingIdx < 0 || sp->ringCap_BodyLongTrailingIdx > historyLen ) { TA_CDLHARAMI_ReleaseImpl( sp ); return TA_INTERNAL_ERROR(246); } { size_t allocN = (size_t)(sp->ringCap_BodyLongTrailingIdx > 0 ? sp->ringCap_BodyLongTrailingIdx : 1); sp->ring_BodyLongTrailingIdx_derived = (double *)TA_Malloc( sizeof(double) * allocN ); if( !sp->ring_BodyLongTrailingIdx_derived ) { TA_CDLHARAMI_ReleaseImpl( sp ); return TA_ALLOC_ERR; } { int fillJ; for( fillJ = historyLen - sp->ringCap_BodyLongTrailingIdx; fillJ < historyLen; fillJ++ ) sp->ring_BodyLongTrailingIdx_derived[fillJ - (historyLen - sp->ringCap_BodyLongTrailingIdx)] = TA_STREAM_CANDLERANGE(BodyLong,inOpen[fillJ],inHigh[fillJ],inLow[fillJ],inClose[fillJ]); } } sp->ringPos_BodyLongTrailingIdx = 0; sp->ringCap_BodyShortTrailingIdx = (int)(i - BodyShortTrailingIdx); if( sp->ringCap_BodyShortTrailingIdx < 0 || sp->ringCap_BodyShortTrailingIdx > historyLen ) { TA_CDLHARAMI_ReleaseImpl( sp ); return TA_INTERNAL_ERROR(247); } { size_t allocN = (size_t)(sp->ringCap_BodyShortTrailingIdx > 0 ? sp->ringCap_BodyShortTrailingIdx : 1); sp->ring_BodyShortTrailingIdx_derived = (double *)TA_Malloc( sizeof(double) * allocN ); if( !sp->ring_BodyShortTrailingIdx_derived ) { TA_CDLHARAMI_ReleaseImpl( sp ); return TA_ALLOC_ERR; } { int fillJ; for( fillJ = historyLen - sp->ringCap_BodyShortTrailingIdx; fillJ < historyLen; fillJ++ ) sp->ring_BodyShortTrailingIdx_derived[fillJ - (historyLen - sp->ringCap_BodyShortTrailingIdx)] = TA_STREAM_CANDLERANGE(BodyShort,inOpen[fillJ],inHigh[fillJ],inLow[fillJ],inClose[fillJ]); } } sp->ringPos_BodyShortTrailingIdx = 0; sp->lag1_inOpen = inOpen[historyLen - 1]; sp->lag1_inHigh = inHigh[historyLen - 1]; sp->lag1_inLow = inLow[historyLen - 1]; sp->lag1_inClose = inClose[historyLen - 1]; 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_CDLHARAMI_OpenInternal( struct TA_CDLHARAMI_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_CDLHARAMI_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_CDLHARAMI_Open( TA_CDLHARAMI_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_CDLHARAMI_OpenInternal( stream, inOpen, inHigh, inLow, inClose, 0, historyLen, outInteger ); } TA_LIB_API TA_RetCode TA_CDLHARAMI_OpenAndFill( TA_CDLHARAMI_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_CDLHARAMI_OpenAndFillInternal( stream, inOpen, inHigh, inLow, inClose, 0, historyLen, outBegIdx, outNBElement, outInteger ); } /* Private function, not in public API. */ TA_RetCode TA_CDLHARAMI_OpenAndFillInternal( struct TA_CDLHARAMI_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_CDLHARAMI_OpenImpl( stream, inOpen, inHigh, inLow, inClose, startIdx, historyLen, outBegIdx, outNBElement, outInteger, 1 ); } TA_LIB_API TA_RetCode TA_CDLHARAMI_Update( TA_CDLHARAMI_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_CDLHARAMI_StepImpl( stream, inOpen, inHigh, inLow, inClose, outInteger ); stream->outRangeCount++; return TA_SUCCESS; } TA_LIB_API TA_RetCode TA_CDLHARAMI_Peek( const TA_CDLHARAMI_Stream *stream, double inOpen, double inHigh, double inLow, double inClose, int *outInteger ) { const struct TA_CDLHARAMI_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( fabs(sp->lag1_inClose - sp->lag1_inOpen) > TA_STREAM_CANDLEAVERAGE(BodyLong,sp->BodyLongPeriodTotal,sp->lag1_inOpen,sp->lag1_inHigh,sp->lag1_inLow,sp->lag1_inClose) ) /* 1st: long */ { if( fabs(inClose - inOpen) <= TA_STREAM_CANDLEAVERAGE(BodyShort,sp->BodyShortPeriodTotal,inOpen,inHigh,inLow,inClose) ) /* 2nd: short */ { /* 2nd is engulfed by 1st */ if( max(inClose,inOpen) < max(sp->lag1_inClose,sp->lag1_inOpen) && min(inClose,inOpen) > min(sp->lag1_inClose,sp->lag1_inOpen) ) { *outInteger= -((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) * 100; /* 2nd is engulfed by 1st * (one end of real body can match; * engulfing guaranteed by "long" and "short") */ } else if( max(inClose,inOpen) <= max(sp->lag1_inClose,sp->lag1_inOpen) && min(inClose,inOpen) >= min(sp->lag1_inClose,sp->lag1_inOpen) ) { *outInteger= -((sp->lag1_inClose >= sp->lag1_inOpen) ? 1 : -1) * 80; } else { *outInteger= 0; } } else { *outInteger= 0; } } else { *outInteger= 0; } return TA_SUCCESS; } TA_LIB_API TA_RetCode TA_CDLHARAMI_Close( TA_CDLHARAMI_Stream *stream ) { TA_CDLHARAMI_ReleaseImpl( stream ); return TA_SUCCESS; } TA_LIB_API TA_RetCode TA_CDLHARAMI_Value( const TA_CDLHARAMI_Stream *stream, int *outInteger ) { if( !stream || !outInteger ) return TA_BAD_PARAM; *outInteger = stream->cur_outInteger; return TA_SUCCESS; } TA_LIB_API TA_RetCode TA_CDLHARAMI_OutRange( const TA_CDLHARAMI_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_CDLHARAMI_Advance( TA_CDLHARAMI_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_CDLHARAMI_Clone( const TA_CDLHARAMI_Stream *stream, TA_CDLHARAMI_Stream **clone ) { struct TA_CDLHARAMI_Stream *sp; if( !clone ) return TA_BAD_PARAM; *clone = NULL; if( !stream ) return TA_BAD_PARAM; sp = (struct TA_CDLHARAMI_Stream *)TA_Malloc( sizeof(*sp) ); if( !sp ) return TA_ALLOC_ERR; *sp = *stream; sp->ring_BodyLongTrailingIdx_derived = NULL; sp->ring_BodyShortTrailingIdx_derived = NULL; if( stream->ring_BodyLongTrailingIdx_derived ) { size_t copyN = (size_t)(sp->ringCap_BodyLongTrailingIdx > 0 ? sp->ringCap_BodyLongTrailingIdx : 1); sp->ring_BodyLongTrailingIdx_derived = (double *)TA_Malloc( sizeof(double) * copyN ); if( !sp->ring_BodyLongTrailingIdx_derived ) { TA_CDLHARAMI_Close( sp ); return TA_ALLOC_ERR; } memcpy( sp->ring_BodyLongTrailingIdx_derived, stream->ring_BodyLongTrailingIdx_derived, sizeof(double) * copyN ); } if( stream->ring_BodyShortTrailingIdx_derived ) { size_t copyN = (size_t)(sp->ringCap_BodyShortTrailingIdx > 0 ? sp->ringCap_BodyShortTrailingIdx : 1); sp->ring_BodyShortTrailingIdx_derived = (double *)TA_Malloc( sizeof(double) * copyN ); if( !sp->ring_BodyShortTrailingIdx_derived ) { TA_CDLHARAMI_Close( sp ); return TA_ALLOC_ERR; } memcpy( sp->ring_BodyShortTrailingIdx_derived, stream->ring_BodyShortTrailingIdx_derived, sizeof(double) * copyN ); } *clone = sp; return TA_SUCCESS; }