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<P><BR>Hi, </P>
<P>Now I am writting a R program, which calls a C program by using .C function. I like to use some matrix calculation functions provided by R package in my C program, for example, Cholesky decomposition.</P>
<P>When I read "write R extension", it saild "the header file R_ext/linpack.h contains BLAS, LINPACK functions included in R. But we know LAPACK is better than Linpack. Is it possible to use functions from LAPACK. I also saw R_ext/lapack.h in src/r_ext directory. How to use this header file?</P>
<P>I have checked "matrix" package. There it used functions from lapack c++ . How to use those information in my C program? What I should do?<BR></P>
<P>Hope you can help me out! </P>
<P> </P>
<P>Thanks,</P>
<P><BR>Xiaoping </P>
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