more some info on stansalone nmath from R-exts to R-admin

git-svn-id: https://svn.r-project.org/R/trunk@88135 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: ripley

doc/NEWS.Rd

@@ -71,7 +71,7 @@
 \section{\Rlogo CHANGES IN R 4.5.0 patched}{
   \subsection{BUG FIXES}{
     \itemize{
-      \item Standalone \code{nmath} can be built again with early-2025
+      \item Standalone \code{nmath} can be built with early-2025
       versions of \command{clang}-based compilers such as LLVM
       \command{clang}\sspace{}20, Apple \command{clang}\sspace{}17 and Intel
       \command{icx}\sspace{}2025.0.

doc/manual/R-admin.texi

@@ -2899,7 +2899,7 @@ is the current working directory (in the build directory tree on a
 Unix-alike if that is separate from the sources).
 
 @file{Rmath.h} contains @samp{R_VERSION_STRING}, which is a character
-string containing the current @R{} version, for example @code{"4.4.0"}.
+string containing the current @R{} version, for example @code{"4.5.0"}.
 
 There is full access to @R{}'s handling of @code{NaN}, @code{Inf} and
 @code{-Inf} via special versions of the macros and functions
@@ -2932,7 +2932,14 @@ an entry point
 @end example
 
 @noindent
-to set its seeds).
+to set its seeds and
+
+@example
+get_seed(unsigned int *, unsigned int *)
+@end example
+
+@noindent
+to read the seeds).
 
 The facilities to change the normal random number generator are
 available through the constant @code{N01_kind}. This takes values

src/nmath/mlutils.c

@@ -108,7 +108,7 @@ double R_pow_di(double x, int n)
 /* It is not clear why these are being defined in standalone nmath:
  * but that they are is stated in the R-admin manual.
  *
- * In R NA_AREAL is a specific NaN computed during initialization.
+ * In R NA_REAL is a specific NaN computed during initialization.
  */
 #if defined(__clang__) && defined(NAN)
 // C99 (optionally) has NAN, which is a float but will coerce to double.