/usr/include/odinseq/seqgradconst.h is in libodin-dev 1.8.4-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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seqgradconst.h - description
-------------------
begin : Tue Aug 13 2002
copyright : (C) 2001 by Thies H. Jochimsen
email : jochimse@cns.mpg.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef SEQGRADCONST_H
#define SEQGRADCONST_H
#include <odinseq/seqgradchan.h>
/**
* @addtogroup odinseq
* @{
*/
/**
* \brief Constant gradient
*
* This class represents a gradient object with a constant gradient field
*/
class SeqGradConst : public SeqGradChan {
public:
/**
* Constructs a constant gradient field labeled 'object_label' with the following properties:
* - gradchannel: The channel this object should be played out
* - gradstrength: The gradient strength for this object
* - gradduration: The duration of this gradient object
*/
SeqGradConst(const STD_string& object_label,direction gradchannel,
float gradstrength, double gradduration);
/**
* Constructs a copy of 'sgc'
*/
SeqGradConst(const SeqGradConst& sgc);
/**
* Construct an empty gradient object with the given label
*/
SeqGradConst(const STD_string& object_label = "unnamedSeqGradConst" );
/**
* Assignment operator that makes this gradient channel object become a copy of 'sgc'
*/
SeqGradConst& operator = (const SeqGradConst& sgc);
private:
friend class SeqGradVector;
// overwriting virtual functions from SeqClass
bool prep();
// overwriting virtual functions from SeqGradChan
SeqGradChan& get_subchan(double starttime, double endtime) const;
STD_string get_grdpart(float matrixfactor) const;
float get_integral() const {return get_strength() * get_duration();}
};
//////////////////////////////////////////////////////////////////////////////////
/**
* \brief Gradient delay
*
* This class represents a gradient delay which can be inserted into a list of gradient objects
*/
class SeqGradDelay : public SeqGradChan {
public:
/**
* Constructs a constant gradient field labeled 'object_label' with the following properties:
* - gradchannel: The channel this object should be played out
* - gradduration: The duration of this gradient object
*/
SeqGradDelay(const STD_string& object_label, direction gradchannel, double gradduration);
/**
* Constructs a copy of 'sgd'
*/
SeqGradDelay(const SeqGradDelay& sgd);
/**
* Construct an empty gradient object with the given label
*/
SeqGradDelay(const STD_string& object_label = "unnamedSeqGradDelay" );
/**
* Assignment operator that makes this gradient channel object become a copy of 'sgd'
*/
SeqGradDelay& operator = (const SeqGradDelay& sgd);
// overwriting virtual functions from SeqGradInterface
float get_strength() const {return 0.0;} // always return zero strength
private:
// overwriting virtual functions from SeqGradChan
SeqGradChan& get_subchan(double starttime, double endtime) const;
STD_string get_grdpart(float matrixfactor) const;
float get_integral() const {return 0.0;}
};
/** @}
*/
#endif
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