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## 1Purpose

a00adc provides information about the version of the NAG Library in use.

## 2Specification

 #include
 void a00adc (char *impl, char *prec, char *pcode, char *mkmaj, char *mkmin, char *hdware, char *opsys, char *ccomp, char *fcomp, char *vend, Nag_Boolean *licval)
The function may be called by the names: a00adc, nag_info_impl_details_separate or nag_implementation_separated_details.

## 3Description

The NAG Library is available for use on a number of different computer systems. For each distinct system an implementation of the Library is prepared and this implementation is given a unique code. The specifics that define the implementation are: the working precision, the major and minor marks of the NAG Library, the target hardware and operating system, the compiler used, and the vendor library (if any) that is also required to be linked. a00adc may be called to return, in separate arguments, these specific details of the NAG Library implementation that is being used; it also returns whether a valid licence has been found for this implementation. This differs from a00aac which simply outputs the collected information in a readable form directly to the stdout (standard output) stream.

None.

## 5Arguments

1: $\mathbf{impl}$char * Output
Note: the string returned in impl will be at most $200$ characters in length.
On exit: the implementation title which usually lists the target platform, operating system and compiler.
2: $\mathbf{prec}$char * Output
Note: the string returned in prec will be at most $200$ characters in length.
On exit: the working or basic precision of the implementation. Some functions may perform operations in reduced precision or additional precision, but the great majority will perform all operations in basic precision.
3: $\mathbf{pcode}$char * Output
Note: the string returned in pcode will be at most $200$ characters in length.
On exit: the product code for the NAG Library implementation that is being used. The code has a discernible structure, but it is not necessary to know the details of this structure. The product code can be used to differentiate between individual product licence codes.
4: $\mathbf{mkmaj}$char * Output
On exit: the major mark of the NAG Library implementation that is being used.
5: $\mathbf{mkmin}$char * Output
On exit: the minor mark of the NAG Library implementation that is being used.
6: $\mathbf{hdware}$char * Output
Note: the string returned in hdware will be at most $200$ characters in length.
On exit: the target hardware for the NAG Library implementation that is being used.
7: $\mathbf{opsys}$char * Output
Note: the string returned in opsys will be at most $200$ characters in length.
On exit: the target operating system for the NAG Library implementation that is being used.
8: $\mathbf{ccomp}$char * Output
On exit: the C compiler used to build the NAG Library implementation that is being used.
9: $\mathbf{fcomp}$char * Output
Note: the string returned in fcomp will be at most $200$ characters in length.
On exit: the Fortran compiler used to build the NAG Library implementation that is being used.
10: $\mathbf{vend}$char * Output
Note: the string returned in vend will be at most $200$ characters in length.
On exit: the subsidiary library, if any, that must be linked with the NAG Library implementation that is being used. If the implementation does not require a subsidiary library then the string
`'(self-contained)'`
will be returned in vend.
11: $\mathbf{licval}$Nag_Boolean * Output
On exit: specifies whether or not a valid licence has been found for the NAG Library implementation that is being used.

None.

Not applicable.

Not applicable.

None.

## 10Example

This example makes a call of a00adc, collects information on the NAG Library implementation that is being used and prints it out in a form that is similar to the output obtained by a call to a00aac.