Capsim Block Documentation
This star outputs the real part of the input complex stream. Buffer 0 contains the real part.
Port | Type | Name | |
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0 | complex | x |
Port | Type | Name | |
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0 | float | y0 | |
1 | float | y1 |
Num | Type | Name | Initial Value | Description |
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0 | int | numOutputBuffers |
int no_samples; float a,b; |
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numOutputBuffers = NO_OUTPUT_BUFFERS(); SET_CELL_SIZE_IN(0,sizeof(complex)); SET_CELL_SIZE_OUT(0,sizeof(float)); SET_CELL_SIZE_OUT(1,sizeof(float)); |
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/* note the minimum number of samples on the */ /* input buffers and iterate that many times */ for(no_samples=(MIN_AVAIL() );no_samples >0; --no_samples) { /* first get real sample */ IT_IN(0); a = x(0).re; /* now get imaginary sample */ b = x(0).im; /* * buffer available on 0 so output real part */ if(IT_OUT(0)) { KrnOverflow("cxreim",0); return(99); } y0(0) = a; if(IT_OUT(1)) { KrnOverflow("cxreim",0); return(99); } y1(0) = b; } return(0); |
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/* Capsim (r) Text Mode Kernel (TMK) Star Library (Blocks) Copyright (C) 1989-2017 Silicon DSP Corporation This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA http://www.silicondsp.com Silicon DSP Corporation Las Vegas, Nevada */ |
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/* cxreim.s */ /*************************************************************** cxreim() **************************************************************** Inputs: x, the complex signal Outputs: y0, the real part y1 the imaginary part Parameters: None **************************************************************** This star outputs the real part of the input complex stream. Buffer 0 contains the real part. |
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