search for: seminumerical

Are there existing "generic" implementations for these functions under the same license as LLVM? By generic I mean C or IR that doesn't use any particular HW intrinsics. I read up on divides in Knuth's Seminumerical book, but decided to use base-2 long division on the first go-around for simplicity. I know it's not very efficient and I'm looking for shortcuts to something better. Pointers to divide algo's could also be of use. Thanks, Dan

Hi I have been wondering if there one can speed up calculating small powers of numbers such as x^8 using multiplication. In addition, one can be a bit clever and calculate x^8 using only 3 multiplies. look at this: > f1 <- function(x){x*x*x*x*x*x*x*x} > f2 <- function(x){x^8} > f3 <- function(x){x2 <- x*x;x4 <- x2*x2;return(x4*x4)} [so f1() and f2() and f3() are

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