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by Kelly Sznaider Support Technology Lab
Overview
Two new enhancements have been added to Transact/V as of version A.11.00 and
also to Transact/iX as of version A.06.00:
- Literal strings and numeric constants can now be passed as parameters in
the PROC verb.
- Transact now provides a method for increased decimal precision in
arithmetic expressions.
New Parameter Types
The parameter list for the PROC statement has two additional types of
parameters. A programmer-defined character string can be passed by placing the
string within quotes, similar to other languages. The default is to pass this
literal as a 16-bit address. To change the literal to a byte address, precede
the string with a "%", the same as with variables. The other parameter type is
to pass a numeric value. The numeric constant is passed by value.
Examples:
PROC ASCII (65, 10, %"abc", &(numchar));
PROC FWRITE (#FILEID(TRANOUT), "Hello", -5, 0);
Increased Decimal Precision
The second Transact enhancement increases decimal precision in arithmetic
expressions (IF, LET, REPEAT, and WHILE verbs) via the new
!PRECISION compiler command. A specified minimum number of decimal
places is maintained for all packed-decimal intermediate results when
calculating the value of an arithmetic expression. This minimum number is used
only if the expression's default evaluation method would have maintained fewer
decimal places.
Example:
!PRECISION(5) maintains at least five decimal places.
Documentation
The detailed information for these enhancements has been included in the
HP Transact Documentation Update Notice, which is also included in the
latest edition of the HP Transact Reference Manual. A revised HP
Transact Quick Reference Guide is also available.
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