diff options
Diffstat (limited to '2.3-1/src/c/auxiliaryFunctions/abs/cabss.c')
-rw-r--r-- | 2.3-1/src/c/auxiliaryFunctions/abs/cabss.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/2.3-1/src/c/auxiliaryFunctions/abs/cabss.c b/2.3-1/src/c/auxiliaryFunctions/abs/cabss.c new file mode 100644 index 00000000..8cd766df --- /dev/null +++ b/2.3-1/src/c/auxiliaryFunctions/abs/cabss.c @@ -0,0 +1,30 @@ +/* + * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab + * Copyright (C) 2008-2008 - INRIA - Bruno JOFRET + * + * 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 "abs.h" +#include "sqrt.h" +#include "max.h" +#include "min.h" + +float cabss(floatComplex in) { + float real = sabss(creals(in)); + float imag = sabss(cimags(in)); + float zMax = max(real, imag); + float zMin = min(real, imag); + + if(zMin == 0) + { + return zMax; + } + return zMax * (ssqrts(1 + (zMin / zMax) * (zMin / zMax))); +} |