/* * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab * Copyright (C) 2008-2008 - INRIA - Allan SIMON * * This file must be used under the terms of the CeCILL. * This source file is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt * */ #include "stdevf.h" #include "meanf.h" void crowstdevfa(floatComplex *in1, int lines, int columns, floatComplex*in2, floatComplex* out){ int i = 0; int j = 0; floatComplex temp = FloatComplex(0.0f,0.0f); floatComplex accumulate = FloatComplex(0.0f,0.0f); float accumulateFre = 0.0f ; crowmeanfa(in1, lines, columns, in2, out ); /*we first multiply each cell of the input matrix by its coefficient*/ for (j = 0; j < columns; ++j) { accumulate = FloatComplex(0.0f,0.0f); accumulateFre = 0.0f ; temp = FloatComplex(0.0f,0.0f); for ( i = 0 ; i < lines; ++i ) { temp = cpows ( cdiffs (in1[lines*j + i] ,out[j] ) ,FloatComplex (2.0f, 0.0f ) ); temp = cmuls( in2[lines*j + i] , temp); accumulate = cadds( temp , accumulate); accumulateFre += creals(in2[lines*j + i]); } if (lines <= 1) { out[j] = cmuls (FloatComplex(0.0f,0.0f) , accumulate ) ; } else { accumulate = FloatComplex( creals(accumulate ) / (accumulateFre - 1) , cimags(accumulate) / (accumulateFre - 1)); out[j] = csqrts(accumulate); } } }