ta_trix.c

股票主要技术指标源码

      if( !tempBuffer )
      {
         VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
         VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
         return ENUM_VALUE(RetCode,TA_ALLOC_ERR,AllocErr);
      }
   #endif

   /* Calculate the first EMA */   
   k = PER_TO_K(optInTimePeriod);  
   retCode = FUNCTION_CALL(INT_EMA)( (startIdx-totalLookback), endIdx, inReal,
                                     optInTimePeriod, k,
                                     VALUE_HANDLE_OUT(begIdx), VALUE_HANDLE_OUT(nbElement),
								     tempBuffer );
   
   /* Verify for failure or if not enough data after
    * calculating the EMA.
    */
   if( (retCode != ENUM_VALUE(RetCode,TA_SUCCESS,Success) ) || (VALUE_HANDLE_GET(nbElement) == 0) )
   {
      VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
      VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
      ARRAY_FREE( tempBuffer );
      return retCode;
   }

   nbElementToOutput--; /* Make this variable zero base from now on. */

   /* Calculate the second EMA */   
   nbElementToOutput -= emaLookback;
   retCode = FUNCTION_CALL_DOUBLE(INT_EMA)( 0, nbElementToOutput, tempBuffer,
                                            optInTimePeriod, k,
                                            VALUE_HANDLE_OUT(begIdx), VALUE_HANDLE_OUT(nbElement),
						                    tempBuffer );
   
   /* Verify for failure or if not enough data after
    * calculating the EMA.
    */
   if( (retCode != ENUM_VALUE(RetCode,TA_SUCCESS,Success) ) || (VALUE_HANDLE_GET(nbElement) == 0) )
   {
      VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
      VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
      ARRAY_FREE( tempBuffer );
      return retCode;
   }

   /* Calculate the third EMA */   
   nbElementToOutput -= emaLookback;
   retCode = FUNCTION_CALL_DOUBLE(INT_EMA)( 0, nbElementToOutput, tempBuffer,
                                            optInTimePeriod, k,
                                            VALUE_HANDLE_OUT(begIdx), VALUE_HANDLE_OUT(nbElement),
						                    tempBuffer );
   
   /* Verify for failure or if not enough data after
    * calculating the EMA.
    */
   if( (retCode != ENUM_VALUE(RetCode,TA_SUCCESS,Success) ) || (VALUE_HANDLE_GET(nbElement) == 0) )
   {
      VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
      VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
      ARRAY_FREE( tempBuffer );
      return retCode;
   }

   /* Calculate the 1-day Rate-Of-Change */
   nbElementToOutput -= emaLookback;
   retCode = FUNCTION_CALL_DOUBLE(ROC)( 0, nbElementToOutput,
                                        tempBuffer,
                                        1,  VALUE_HANDLE_OUT(begIdx), outNBElement,
                                        outReal );

   ARRAY_FREE( tempBuffer );
   /* Verify for failure or if not enough data after
    * calculating the rate-of-change.
    */
   if( (retCode != ENUM_VALUE(RetCode,TA_SUCCESS,Success) ) || ((int)VALUE_HANDLE_DEREF(outNBElement) == 0) )
   {
      VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
      VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
      return retCode;
   }

   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::Trix( int    startIdx,
/* Generated */                                      int    endIdx,
/* Generated */                                      cli::array<float>^ inReal,
/* Generated */                                      int           optInTimePeriod, /* From 1 to 100000 */
/* Generated */                                      [Out]int%    outBegIdx,
/* Generated */                                      [Out]int%    outNBElement,
/* Generated */                                      cli::array<double>^  outReal )
/* Generated */ #elif defined( _JAVA )
/* Generated */ public RetCode trix( int    startIdx,
/* Generated */                      int    endIdx,
/* Generated */                      float        inReal[],
/* Generated */                      int           optInTimePeriod, /* From 1 to 100000 */
/* Generated */                      MInteger     outBegIdx,
/* Generated */                      MInteger     outNBElement,
/* Generated */                      double        outReal[] )
/* Generated */ #else
/* Generated */ TA_RetCode TA_S_TRIX( int    startIdx,
/* Generated */                       int    endIdx,
/* Generated */                       const float  inReal[],
/* Generated */                       int           optInTimePeriod, /* From 1 to 100000 */
/* Generated */                       int          *outBegIdx,
/* Generated */                       int          *outNBElement,
/* Generated */                       double        outReal[] )
/* Generated */ #endif
/* Generated */ {
/* Generated */    double k;
/* Generated */    ARRAY_REF(tempBuffer);
/* Generated */    VALUE_HANDLE_INT(nbElement);
/* Generated */    VALUE_HANDLE_INT(begIdx);
/* Generated */    int totalLookback;
/* Generated */    int emaLookback, rocLookback;
/* Generated */    ENUM_DECLARATION(RetCode) retCode;
/* Generated */    int nbElementToOutput;
/* 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( !inReal ) return ENUM_VALUE(RetCode,TA_BAD_PARAM,BadParam);
/* Generated */     #endif 
/* Generated */     if( (int)optInTimePeriod == TA_INTEGER_DEFAULT )
/* Generated */        optInTimePeriod = 30;
/* Generated */     else if( ((int)optInTimePeriod < 1) || ((int)optInTimePeriod > 100000) )
/* Generated */        return ENUM_VALUE(RetCode,TA_BAD_PARAM,BadParam);
/* Generated */     #if !defined(_JAVA)
/* Generated */     if( !outReal )
/* Generated */        return ENUM_VALUE(RetCode,TA_BAD_PARAM,BadParam);
/* Generated */     #endif 
/* Generated */  #endif 
/* Generated */    emaLookback   = LOOKBACK_CALL(EMA)( optInTimePeriod );
/* Generated */    rocLookback   = LOOKBACK_CALL(ROCR)( 1 );
/* Generated */    totalLookback = (emaLookback*3) + rocLookback;
/* Generated */    if( startIdx < totalLookback )
/* Generated */       startIdx = totalLookback;
/* Generated */    if( startIdx > endIdx )
/* Generated */    {
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
/* Generated */       return ENUM_VALUE(RetCode,TA_SUCCESS,Success); 
/* Generated */    }
/* Generated */    VALUE_HANDLE_DEREF(outBegIdx) = startIdx; 
/* Generated */    nbElementToOutput = (endIdx-startIdx)+1+totalLookback;
/* Generated */    ARRAY_ALLOC(tempBuffer, nbElementToOutput );
/* Generated */    #if !defined( _JAVA )
/* Generated */       if( !tempBuffer )
/* Generated */       {
/* Generated */          VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
/* Generated */          VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
/* Generated */          return ENUM_VALUE(RetCode,TA_ALLOC_ERR,AllocErr);
/* Generated */       }
/* Generated */    #endif
/* Generated */    k = PER_TO_K(optInTimePeriod);  
/* Generated */    retCode = FUNCTION_CALL(INT_EMA)( (startIdx-totalLookback), endIdx, inReal,
/* Generated */                                      optInTimePeriod, k,
/* Generated */                                      VALUE_HANDLE_OUT(begIdx), VALUE_HANDLE_OUT(nbElement),
/* Generated */ 								     tempBuffer );
/* Generated */    if( (retCode != ENUM_VALUE(RetCode,TA_SUCCESS,Success) ) || (VALUE_HANDLE_GET(nbElement) == 0) )
/* Generated */    {
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
/* Generated */       ARRAY_FREE( tempBuffer );
/* Generated */       return retCode;
/* Generated */    }
/* Generated */    nbElementToOutput--; 
/* Generated */    nbElementToOutput -= emaLookback;
/* Generated */    retCode = FUNCTION_CALL_DOUBLE(INT_EMA)( 0, nbElementToOutput, tempBuffer,
/* Generated */                                             optInTimePeriod, k,
/* Generated */                                             VALUE_HANDLE_OUT(begIdx), VALUE_HANDLE_OUT(nbElement),
/* Generated */ 						                    tempBuffer );
/* Generated */    if( (retCode != ENUM_VALUE(RetCode,TA_SUCCESS,Success) ) || (VALUE_HANDLE_GET(nbElement) == 0) )
/* Generated */    {
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
/* Generated */       ARRAY_FREE( tempBuffer );
/* Generated */       return retCode;
/* Generated */    }
/* Generated */    nbElementToOutput -= emaLookback;
/* Generated */    retCode = FUNCTION_CALL_DOUBLE(INT_EMA)( 0, nbElementToOutput, tempBuffer,
/* Generated */                                             optInTimePeriod, k,
/* Generated */                                             VALUE_HANDLE_OUT(begIdx), VALUE_HANDLE_OUT(nbElement),
/* Generated */ 						                    tempBuffer );
/* Generated */    if( (retCode != ENUM_VALUE(RetCode,TA_SUCCESS,Success) ) || (VALUE_HANDLE_GET(nbElement) == 0) )
/* Generated */    {
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
/* Generated */       ARRAY_FREE( tempBuffer );
/* Generated */       return retCode;
/* Generated */    }
/* Generated */    nbElementToOutput -= emaLookback;
/* Generated */    retCode = FUNCTION_CALL_DOUBLE(ROC)( 0, nbElementToOutput,
/* Generated */                                         tempBuffer,
/* Generated */                                         1,  VALUE_HANDLE_OUT(begIdx), outNBElement,
/* Generated */                                         outReal );
/* Generated */    ARRAY_FREE( tempBuffer );
/* Generated */    if( (retCode != ENUM_VALUE(RetCode,TA_SUCCESS,Success) ) || ((int)VALUE_HANDLE_DEREF(outNBElement) == 0) )
/* Generated */    {
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outNBElement);
/* Generated */       VALUE_HANDLE_DEREF_TO_ZERO(outBegIdx);
/* Generated */       return retCode;
/* Generated */    }
/* 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 ****/