It seems that the only way to add two vectors is to use VecAXPY(x,1,y); likewise, to subtract one must call VecAXPY(x,-1,y). Are these routines optimized to recognize these special cases to avoid the extraneous scalar multiplications?
- How can I use BICGStab on a matrix with zero entries on th... Zhu Liang
- How can I use BICGStab on a matrix with zero entries ... Zhu Liang
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