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* operations have been replaced by higher level ones. These used to 
* operations have been replaced by higher level ones. These used to 
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* be flagged as such so that people who wanted to construct newer 
* be flagged as such so that people who wanted to construct newer 
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* operations from the lowest level mtx operators could see how to 
* operations from the lowest level mtx operators could see how to 
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* use the lowlevel operators. Since it has been decided that the old 
* use the lowlevel operators. 
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* linsol will NOT be discarded completely (we like having easy 

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* benchmarks to look better than), the user wishing to code new 
Later note (JP, 2007): The earlier version of linsolqr, named linsol, 
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* operations is directed back to linsol to see how lowlevel operations 
has been removed completely. There was some comment about it here but 
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* can be expensively done. 
it's not here any more. 
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* 
* 
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* 10/95: (BAA) I attempted to optimize number_drag through use of 
* 10/95: (BAA) I attempted to optimize number_drag through use of 
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* pointer arithmetic. Testing the resulting code without optimization 
* pointer arithmetic. Testing the resulting code without optimization 