/* TA-LIB Copyright (c) 1999-2007, 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. */ /* List of contributors: * * Initial Name/description * ------------------------------------------------------------------- * AC Angelo Ciceri * * * Change history: * * MMDDYY BY Description * ------------------------------------------------------------------- * 102304 AC Creation * */ /**** START GENCODE SECTION 1 - DO NOT DELETE THIS LINE ****/ /* All code within this section is automatically * generated by gen_code. Any modification will be lost * next time gen_code is run. */ /* Generated */ /* Generated */ #if defined( _MANAGED ) /* Generated */ #include "TA-Lib-Core.h" /* Generated */ #define TA_INTERNAL_ERROR(Id) (RetCode::InternalError) /* Generated */ namespace TicTacTec { namespace TA { namespace Library { /* Generated */ #elif defined( _JAVA ) /* Generated */ #include "ta_defs.h" /* Generated */ #include "ta_java_defs.h" /* Generated */ #define TA_INTERNAL_ERROR(Id) (RetCode.InternalError) /* Generated */ #else /* Generated */ #include /* Generated */ #include /* Generated */ #include "ta_func.h" /* Generated */ #endif /* Generated */ /* Generated */ #ifndef TA_UTILITY_H /* Generated */ #include "ta_utility.h" /* Generated */ #endif /* Generated */ /* Generated */ #ifndef TA_MEMORY_H /* Generated */ #include "ta_memory.h" /* Generated */ #endif /* Generated */ /* Generated */ #define TA_PREFIX(x) TA_##x /* Generated */ #define INPUT_TYPE double /* Generated */ /* Generated */ #if defined( _MANAGED ) /* Generated */ int Core::CdlHammerLookback( void ) /* Generated */ /* Generated */ #elif defined( _JAVA ) /* Generated */ public int cdlHammerLookback( ) /* Generated */ /* Generated */ #else /* Generated */ int TA_CDLHAMMER_Lookback( void ) /* Generated */ /* Generated */ #endif /**** END GENCODE SECTION 1 - DO NOT DELETE THIS LINE ****/ { /* insert local variable here */ /**** START GENCODE SECTION 2 - DO NOT DELETE THIS LINE ****/ /* Generated */ /* No parameters to validate. */ /**** END GENCODE SECTION 2 - DO NOT DELETE THIS LINE ****/ /* insert lookback code here. */ return max( max( max( TA_CANDLEAVGPERIOD(BodyShort), TA_CANDLEAVGPERIOD(ShadowLong) ), TA_CANDLEAVGPERIOD(ShadowVeryShort) ), TA_CANDLEAVGPERIOD(Near) ) + 1; } /**** START GENCODE SECTION 3 - DO NOT DELETE THIS LINE ****/ /* * TA_CDLHAMMER - Hammer * * Input = Open, High, Low, Close * Output = int * */ /* Generated */ /* Generated */ #if defined( _MANAGED ) && defined( USE_SUBARRAY ) /* Generated */ enum class Core::RetCode Core::CdlHammer( int startIdx, /* Generated */ int endIdx, /* Generated */ SubArray^ inOpen, /* Generated */ SubArray^ inHigh, /* Generated */ SubArray^ inLow, /* Generated */ SubArray^ inClose, /* Generated */ [Out]int% outBegIdx, /* Generated */ [Out]int% outNBElement, /* Generated */ cli::array^ outInteger ) /* Generated */ #elif defined( _MANAGED ) /* Generated */ enum class Core::RetCode Core::CdlHammer( int startIdx, /* Generated */ int endIdx, /* Generated */ cli::array^ inOpen, /* Generated */ cli::array^ inHigh, /* Generated */ cli::array^ inLow, /* Generated */ cli::array^ inClose, /* Generated */ [Out]int% outBegIdx, /* Generated */ [Out]int% outNBElement, /* Generated */ cli::array^ outInteger ) /* Generated */ #elif defined( _JAVA ) /* Generated */ public RetCode cdlHammer( int startIdx, /* Generated */ int endIdx, /* Generated */ double inOpen[], /* Generated */ double inHigh[], /* Generated */ double inLow[], /* Generated */ double inClose[], /* Generated */ MInteger outBegIdx, /* Generated */ MInteger outNBElement, /* Generated */ int outInteger[] ) /* Generated */ #else /* Generated */ TA_RetCode TA_CDLHAMMER( int startIdx, /* Generated */ int endIdx, /* Generated */ const double inOpen[], /* Generated */ const double inHigh[], /* Generated */ const double inLow[], /* Generated */ const double inClose[], /* Generated */ int *outBegIdx, /* Generated */ int *outNBElement, /* Generated */ int outInteger[] ) /* Generated */ #endif /**** END GENCODE SECTION 3 - DO NOT DELETE THIS LINE ****/ { /* Insert local variables here. */ double BodyPeriodTotal, ShadowLongPeriodTotal, ShadowVeryShortPeriodTotal, NearPeriodTotal; int i, outIdx, BodyTrailingIdx, ShadowLongTrailingIdx, ShadowVeryShortTrailingIdx, NearTrailingIdx, lookbackTotal; /**** START GENCODE SECTION 4 - DO NOT DELETE THIS LINE ****/ /* Generated */ /* Generated */ #ifndef TA_FUNC_NO_RANGE_CHECK /* Generated */ /* Generated */ /* Validate the requested output range. */ /* 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 */ /* Generated */ #if !defined(_JAVA) /* Generated */ /* Verify required price component. */ /* Generated */ if(!inOpen||!inHigh||!inLow||!inClose) /* Generated */ return ENUM_VALUE(RetCode,TA_BAD_PARAM,BadParam); /* Generated */ /* Generated */ #endif /* !defined(_JAVA)*/ /* Generated */ #if !defined(_JAVA) /* Generated */ if( !outInteger ) /* Generated */ return ENUM_VALUE(RetCode,TA_BAD_PARAM,BadParam); /* Generated */ /* 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(CDLHAMMER)(); /* 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 - TA_CANDLEAVGPERIOD(BodyShort); ShadowLongPeriodTotal = 0; ShadowLongTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowLong); ShadowVeryShortPeriodTotal = 0; ShadowVeryShortTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowVeryShort); NearPeriodTotal = 0; NearTrailingIdx = startIdx -1 - TA_CANDLEAVGPERIOD(Near); i = BodyTrailingIdx; while( i < startIdx ) { BodyPeriodTotal += TA_CANDLERANGE( BodyShort, i ); i++; } i = ShadowLongTrailingIdx; while( i < startIdx ) { ShadowLongPeriodTotal += TA_CANDLERANGE( ShadowLong, i ); i++; } i = ShadowVeryShortTrailingIdx; while( i < startIdx ) { ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i ); i++; } i = NearTrailingIdx; while( i < startIdx-1 ) { NearPeriodTotal += TA_CANDLERANGE( Near, i ); i++; } i = startIdx; /* Proceed with the calculation for the requested range. * Must have: * - small real body * - long lower shadow * - no, or very short, upper shadow * - body below or near the lows of the previous candle * The meaning of "short", "long" and "near the lows" is specified with TA_SetCandleSettings; * outInteger is positive (1 to 100): hammer is always bullish; * the user should consider that a hammer must appear in a downtrend, while this function does not consider it */ outIdx = 0; do { if( TA_REALBODY(i) < TA_CANDLEAVERAGE( BodyShort, BodyPeriodTotal, i ) && // small rb TA_LOWERSHADOW(i) > TA_CANDLEAVERAGE( ShadowLong, ShadowLongPeriodTotal, i ) && // long lower shadow TA_UPPERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal, i ) && // very short upper shadow min( inClose[i], inOpen[i] ) <= inLow[i-1] + TA_CANDLEAVERAGE( Near, NearPeriodTotal, i-1 ) // rb near the prior candle's lows ) outInteger[outIdx++] = 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) */ BodyPeriodTotal += TA_CANDLERANGE( BodyShort, i ) - TA_CANDLERANGE( BodyShort, BodyTrailingIdx ); ShadowLongPeriodTotal += TA_CANDLERANGE( ShadowLong, i ) - TA_CANDLERANGE( ShadowLong, ShadowLongTrailingIdx ); ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i ) - TA_CANDLERANGE( ShadowVeryShort, ShadowVeryShortTrailingIdx ); NearPeriodTotal += TA_CANDLERANGE( Near, i-1 ) - TA_CANDLERANGE( Near, NearTrailingIdx ); i++; BodyTrailingIdx++; ShadowLongTrailingIdx++; ShadowVeryShortTrailingIdx++; NearTrailingIdx++; } 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::CdlHammer( int startIdx, /* Generated */ int endIdx, /* Generated */ cli::array^ inOpen, /* Generated */ cli::array^ inHigh, /* Generated */ cli::array^ inLow, /* Generated */ cli::array^ inClose, /* Generated */ [Out]int% outBegIdx, /* Generated */ [Out]int% outNBElement, /* Generated */ cli::array^ outInteger ) /* Generated */ #elif defined( _JAVA ) /* Generated */ public RetCode cdlHammer( 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_CDLHAMMER( 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, ShadowLongPeriodTotal, ShadowVeryShortPeriodTotal, NearPeriodTotal; /* Generated */ int i, outIdx, BodyTrailingIdx, ShadowLongTrailingIdx, ShadowVeryShortTrailingIdx, NearTrailingIdx, 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(CDLHAMMER)(); /* 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 - TA_CANDLEAVGPERIOD(BodyShort); /* Generated */ ShadowLongPeriodTotal = 0; /* Generated */ ShadowLongTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowLong); /* Generated */ ShadowVeryShortPeriodTotal = 0; /* Generated */ ShadowVeryShortTrailingIdx = startIdx - TA_CANDLEAVGPERIOD(ShadowVeryShort); /* Generated */ NearPeriodTotal = 0; /* Generated */ NearTrailingIdx = startIdx -1 - TA_CANDLEAVGPERIOD(Near); /* Generated */ i = BodyTrailingIdx; /* Generated */ while( i < startIdx ) { /* Generated */ BodyPeriodTotal += TA_CANDLERANGE( BodyShort, i ); /* Generated */ i++; /* Generated */ } /* Generated */ i = ShadowLongTrailingIdx; /* Generated */ while( i < startIdx ) { /* Generated */ ShadowLongPeriodTotal += TA_CANDLERANGE( ShadowLong, i ); /* Generated */ i++; /* Generated */ } /* Generated */ i = ShadowVeryShortTrailingIdx; /* Generated */ while( i < startIdx ) { /* Generated */ ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i ); /* Generated */ i++; /* Generated */ } /* Generated */ i = NearTrailingIdx; /* Generated */ while( i < startIdx-1 ) { /* Generated */ NearPeriodTotal += TA_CANDLERANGE( Near, i ); /* Generated */ i++; /* Generated */ } /* Generated */ i = startIdx; /* Generated */ outIdx = 0; /* Generated */ do /* Generated */ { /* Generated */ if( TA_REALBODY(i) < TA_CANDLEAVERAGE( BodyShort, BodyPeriodTotal, i ) && // small rb /* Generated */ TA_LOWERSHADOW(i) > TA_CANDLEAVERAGE( ShadowLong, ShadowLongPeriodTotal, i ) && // long lower shadow /* Generated */ TA_UPPERSHADOW(i) < TA_CANDLEAVERAGE( ShadowVeryShort, ShadowVeryShortPeriodTotal, i ) && // very short upper shadow /* Generated */ min( inClose[i], inOpen[i] ) <= inLow[i-1] + TA_CANDLEAVERAGE( Near, NearPeriodTotal, i-1 ) // rb near the prior candle's lows /* Generated */ ) /* Generated */ outInteger[outIdx++] = 100; /* Generated */ else /* Generated */ outInteger[outIdx++] = 0; /* Generated */ BodyPeriodTotal += TA_CANDLERANGE( BodyShort, i ) /* Generated */ - TA_CANDLERANGE( BodyShort, BodyTrailingIdx ); /* Generated */ ShadowLongPeriodTotal += TA_CANDLERANGE( ShadowLong, i ) /* Generated */ - TA_CANDLERANGE( ShadowLong, ShadowLongTrailingIdx ); /* Generated */ ShadowVeryShortPeriodTotal += TA_CANDLERANGE( ShadowVeryShort, i ) /* Generated */ - TA_CANDLERANGE( ShadowVeryShort, ShadowVeryShortTrailingIdx ); /* Generated */ NearPeriodTotal += TA_CANDLERANGE( Near, i-1 ) /* Generated */ - TA_CANDLERANGE( Near, NearTrailingIdx ); /* Generated */ i++; /* Generated */ BodyTrailingIdx++; /* Generated */ ShadowLongTrailingIdx++; /* Generated */ ShadowVeryShortTrailingIdx++; /* Generated */ NearTrailingIdx++; /* 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 ****/