Hi all,
While compiling R to RISC-V64 architecture and debugging in R's C source
codes, I think I have found a small bug. Can anyone please verify whether
it is a real bug?
The possible bug lies in the file `R-4.2.2/src/library/stats/src/approx.c`
in function `R_approxfun` around line 148:
#ifdef DEBUG_approx
REprintf("R_approxfun(x,y, nxy = %.0f, .., nout = %.0f, method = %d,
...)",
(double)nxy, (double)nout, Meth->kind);
#endif
However, there is no `Meth` defined in this function, causing a compilation
error when `DEBUG_approx` is toggled on. The real `Meth` is actually
defined in the `approx1` function, and the Meth seen here is probably a
historical artifact that was never erased. To fix the error, I suggest
changing `Meth->kind` to `method` in the `R_approxfun` function as follows:
#ifdef DEBUG_approx
REprintf("R_approxfun(x,y, nxy = %.0f, .., nout = %.0f, method = %d,
...)",
(double)nxy, (double)nout, method);
#endif
If this is really an error, I hope this small fix will be helpful to the R
community.
Thank you for your time and consideration.
Best,
Jane He
_________
University of California, Irvine
Student of Master of Software Engineering
2022-2023 cohort
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