cxgain

Capsim Block Documentation

Short Description

This star multiplies the incoming complex data stream by the complex parameter coefficient, and outputs the resulting complex data values.

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Input Connections
Port Type Name
0 complex x
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Parameters
Num Description Type Name Default Value
0 Gain factor real part float factorReal 1.0
1 Gain factor imaginary part float factorImag 0.0
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States
Num Type Name Initial Value Description
0 int numOutBuffers
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Declarations


 

	int i;
	int samples;
	complex val,tmp;



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Initialization Code



 

	if((numOutBuffers = NO_OUTPUT_BUFFERS()) <= 0) {
		fprintf(stderr,"cxgain: no output buffers\n");
		return(2);
	}
	SET_CELL_SIZE_IN(0,sizeof(complex));
	for (i=0; i
    
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Main Code



 


for(samples = MIN_AVAIL(); samples >0; --samples) {
	IT_IN(0);
	tmp=x(0);
        val.re = tmp.re*factorReal - tmp.im*factorImag;
        val.im = tmp.im*factorReal + tmp.re*factorImag;
	for(i=0; i
    
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Wrapup Code



 





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License



/*  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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Description



 

/* cxgain.s */
/**********************************************************************
                          cxgain()
***********************************************************************
This star multiplies the incoming complex data stream by the complex parameter
coefficient, and outputs the resulting complex data values.
Auto fanout is supported.

cxgain


This star multiplies the incoming complex data stream by the complex parameter
coefficient, and outputs the resulting complex data values.
Auto fanout is supported.


Sasan Ardalan

*/