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ANN: Seed7 Release 2012-05-06

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Hello,

I have released a new version of Seed7: seed7_05_20120506.tgz
In the Seed7 programming language new statements and operators
can be declared easily. Types are first class objects and therefore
templates/generics need no special syntax. Object orientation is
used when it brings advantages and not in places when other
solutions are more obvious.

Seed7 is covered by the GPL (and LGPL for the Seed7 runtime library).

Changelog:
- A typo in the manual, concerning the 'integer' operator 'rpad',
  was fixed (thanks to Robert A Duff for pointing it out).
- The compiler (comp.sd7) was improved to generate optimized code
  for the integer 'mod' operator (thanks to Andrew Haley,
  Stefan Ram, Scott Fluhrer and Gene for their help).
- The compiler was improved to generate optimized code for the
  integer operators 'mdiv' and 'mod', when the divisor is a negated
  power of two.
- The FAQ answers, which explain possible compilation errors and the
  templates of Seed7, were improved.
- The chapter explaining primitive actions in the manual was
  improved.
- The compiler was improved to use inline code for set membership
  (operator: in) and set exclusion. The inlining is done instead of
  calling 'setElem' respectively 'setExcl'.
- The compiler was improved to use 'setIsEmpty' (which is defined in
  "set_rtl.c"), when a set is compared with the empty set (action
  "SET_EQ" and "SET_NE").
- Interpreter, compiler and runtime library were improved to support
  the actions "PRG_INTERPRETER" (returns the path of the hi
  interpreter), "SET_NEXT" (used in for-loops over sets) and
  "SET_RANGELIT" (used to create sets like {1 .. 5} ).
- In "chkset.sd7" the tests for set union and set membership were
  improved.
- The checks of relation operators in "chkset.s7i" were split into
  several functions.
- The example program "printpi2.sd7" was improved.
- The function 'bigEqSignedDigit' was added to "big_rtl.c" and
  "big_gmp.c". This function is used in the compiler to optimize
  bigInteger comparisons (= and <>) with small signed numbers.
- The functions 'reduce' and / in "bigrat.s7i" were improved.
- The performance of the function setCard in "set_rtl.c" was
  improved.
- The functions 'setSymdiff' and 'setUnion' were improved to raise
  MEMORY_ERROR, when the computation of the data size would
  overflow.
- The performance of the function 'prot_set' in "traceutl.c" was
  improved.
- The example program "make7.sd7" was improved. Now it processes
  make commands in makefiles correctly and accepts tabs before the
  dependencies of a rule. Additionally make7 now allows repeated
  target names when there no commands.
- Checks for 'mod' and 'mdiv' were added to "chkint.sd7".
- A documentation comment was added to the function 'cp_to_cstri'
  in the file "striutl.c".
- The macros 'likely' and 'unlikely' were added to if-statements
  checking for exception conditions in the file "set_rtl.c".
- A description of possible compilation errors was added to the file
  "src/read_me.txt".
- In "shell.s7i" the function 'shell' was overloaded and the
  function 'callOwnProgram' was added.

Regards,
Thomas Mertes

-- 
Seed7 Homepage:  http://seed7.sourceforge.net
Seed7 - The extensible programming language: User defined statements
and operators, abstract data types, templates without special
syntax, OO with interfaces and multiple dispatch, statically typed,
interpreted or compiled, portable, runs under linux/unix/windows.

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ANN: Seed7 Release 2012-05-06 thomas.mertes@gmx.at - 2012-05-06 10:07 -0700

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