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add StkFrames::operator+

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This commit is contained in:
Abhi
2014-09-21 18:06:47 -04:00
parent aae7f609cf
commit 032e76da70
1 changed files with 27 additions and 0 deletions
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27
include/Stk.h
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@@ -303,6 +303,14 @@ public:
checking is performed unless _STK_DEBUG_ is defined. checking is performed unless _STK_DEBUG_ is defined.
*/ */
StkFloat operator[] ( size_t n ) const; StkFloat operator[] ( size_t n ) const;
//! Sum operator
/*!
The dimensions of the argument are expected to be the same as
self. No range checking is performed unless _STK_DEBUG_ is
defined.
*/
StkFrames operator+(const StkFrames &frames) const;
//! Assignment by sum operator into self. //! Assignment by sum operator into self.
/*! /*!
@@ -469,6 +477,25 @@ inline StkFloat StkFrames :: operator() ( size_t frame, unsigned int channel ) c
return data_[ frame * nChannels_ + channel ]; return data_[ frame * nChannels_ + channel ];
} }
inline StkFrames StkFrames::operator+(const StkFrames &f) const
{
#if defined(_STK_DEBUG_)
if ( f.frames() != nFrames_ || f.channels() != nChannels_ ) {
std::ostringstream error;
error << "StkFrames::operator+: frames argument must be of equal dimensions!";
Stk::handleError( error.str(), StkError::MEMORY_ACCESS );
}
#endif
StkFrames sum(nFrames_,nChannels_);
StkFloat *sumPtr = &sum[0];
const StkFloat *fptr = f.data_;
const StkFloat *dPtr = data_;
for (unsigned int i = 0; i < size_; i++) {
*sumPtr++ = *fptr++ + *dPtr++;
}
return sum;
}
inline void StkFrames :: operator+= ( StkFrames& f ) inline void StkFrames :: operator+= ( StkFrames& f )
{ {