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Diffstat (limited to 'macros/IntegerOp/SHIFT.sci')
| -rw-r--r-- | macros/IntegerOp/SHIFT.sci | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/macros/IntegerOp/SHIFT.sci b/macros/IntegerOp/SHIFT.sci new file mode 100644 index 00000000..01ce6bba --- /dev/null +++ b/macros/IntegerOp/SHIFT.sci @@ -0,0 +1,152 @@ +// Xcos +// +// Copyright (C) INRIA - METALAU Project <scicos@inria.fr> +// Copyright 2011 - Bernard DUJARDIN <bernard.dujardin@contrib.scilab.org> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +// +// See the file ../license.txt +// + +function [x,y,typ]=SHIFT(job,arg1,arg2) + x=[]; + y=[]; + typ=[]; + select job + case "set" then + x=arg1; + graphics=arg1.graphics + model=arg1.model + exprs=graphics.exprs + while %t do + [ok,Datatype,nb,np,exprs]=scicos_getvalue([msprintf(gettext("Set %s block parameters"), "SHIFT");" "; gettext("Shift/Rotates bits")], .. + [msprintf(gettext("Data Type %s"), "(3:int32, 4:int16, 5:int8, ...)"); gettext("Number of Bits to Shift Left (Negative number to shift right)"); .. + gettext("Shift Type (0:Arithmetic, 1:Circular)")], .. + list("vec",1,"vec",1,"vec",1), exprs); + + if ~ok then + break, + end + if (np ~= 0 & np ~= 1) then + block_parameter_error(msprintf( gettext("Wrong value for ''%s'' parameter: %d."), gettext("Shift Type"), np), .. + msprintf(gettext("Must be in the interval %s."), "[0, 1]")); + ok=%f; + end + it=Datatype; + ot=Datatype; + // model.sim=list('shift_ia',4) + if (Datatype==3 | Datatype==6) then + if nb>0 then + select np + case 0 then + model.sim=list("shift_32_LA",4) + case 1 then + model.sim=list("shift_32_LC",4) + end + elseif nb<0 + select np + case 0 then + select Datatype + case 3 then + model.sim=list("shift_32_RA",4) + case 6 then + model.sim=list("shift_u32_RA",4) + end + case 1 then + model.sim=list("shift_32_RC",4) + end + end + elseif (Datatype==4 | Datatype==7) then + if nb>0 then + select np + case 0 then + model.sim=list("shift_16_LA",4) + case 1 then + model.sim=list("shift_16_LC",4) + end + elseif nb<0 + select np + case 0 then + select Datatype + case 4 then + model.sim=list("shift_16_RA",4) + case 7 then + model.sim=list("shift_u16_RA",4) + end + case 1 then + model.sim=list("shift_16_RC",4) + end + end + elseif (Datatype==5 | Datatype==8) then + if nb>0 then + select np + case 0 then + model.sim=list("shift_8_LA",4) + case 1 then + model.sim=list("shift_8_LC",4) + end + elseif nb<0 + select np + case 0 then + select Datatype + case 5 then + model.sim=list("shift_8_RA",4) + case 8 then + model.sim=list("shift_u8_RA",4) + end + case 1 then + model.sim=list("shift_8_RC",4) + end + end + else + block_parameter_error(msprintf( gettext( "Wrong value for ''%s'' parameter: %d."), gettext("Data Type"), Datatype), .. + msprintf(gettext( "Must be in the interval %s."), "[3, 8]" )); + ok=%f; + end + if ok then + [model,graphics,ok]=set_io(model,graphics,... + list([-1,-2],it),... + list([-1,-2],ot),[],[]) + end + if ok then + model.ipar=nb + graphics.exprs=exprs + x.graphics=graphics; + x.model=model + break + end + end + case "define" then + sgn=[0;0] + OPER=0; + model=scicos_model() + model.sim=list("shift_32_LA",4) + model.in=-1 + model.out=-1 + model.in2=-2 + model.out2=-2 + model.intyp=3 + model.outtyp=3 + model.rpar=[] + model.ipar=sgn + model.blocktype="c" + model.dep_ut=[%t %f] + + + exprs=[sci2exp(3);sci2exp(0);sci2exp(0)] + gr_i=[] + x=standard_define([3 2],model, exprs,gr_i) + end +endfunction |