[Rd] Matrix memory layout R vs. C
lexcarvalho at gmail.com
Fri Dec 6 16:51:39 CET 2013
> And to be safer on a 64-bit platform
> #define INDEX(i,j) ((i) + rows*(R_xlen_t)(j))
> since rows*j might overflow there.
Shouldn't 'rows' be also a parameter?
#define INDEX(rows,i,j) ((i) + (rows)*((R_xlen_t)(j)))
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