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Changes in 0.6.7:
* fixed bug when allocating 32 or more qubits at once
* spectrum now gives peak probabilty
Changes in 0.6.6:
* Fixed the != operator for quantum condition (was treated as ==).
Thanks to Sebastian Schmitt for spotting this bug.
Changes in 0.6.5:
* Removed -lfl (i.e. linking against libflex) from the linker options.
* Removed some copiler warnings in bitvec.cc
* updated changelog (this file)
Changes in 0.6.4:
* Dump format supports polar coordinates.
* Minor updates for gcc 4.7.
* Dropped the 32-bit binary package.
Changes in 0.6.3:
* This is a minor bugfix release to fix the emulation of the conditional swap gate (Fredkin gate).
Thanks to Jaroslaw Miszczak for spotting this bug.
Changes in 0.6.2:
* Code cleanups to make gcc 4.1 happy
* Binary distribution for AMD64 plattform
* Output defaults to decimal for <= 64 qubits
* Minor changes in the Makefile
Changes in 0.6.1:
* Fixed -x option bug
* new option --qcluserdir, --include-path renamed to --qcldir
* new enviroment variable QCLUSERDIR
Changes in 0.6.0:
* Code cleanups for ISO C++ compliance
* Dropped static binary support
Changes in 0.5.1:
* Double declaration as "qufunct operator" for non-boolean implementations
of basis permutations
* Recursive operator definitions
* New auto-dump format which displays registers
* Sample implementation of Deutsch's algorithm
Changes in 0.5.0:
* Conditional Operators and quantum conditions (experimental)
* Vectors, matrices and tensors (see linalg.qcl)
* New elementary operators (see default.qcl)
* Plotting of states and spectrums via the new "plot" command
* New and revised sample programs
* break-statement for loops
* Bitwise not, and, or, xor as built-in functions
* Built in function bit(n,i) (i-th bit of binary expansion of n)
* Improved TeXmacs support
* Support for keyboard interrupts (SIGINT, SIGTSTP)
* Optimizations in the simulation layer (more than 300% speedup in some
cases)
* Removal of legacy code for old complex- and string-classes
* Improved support for non-Intel plattforms
* Rewrite of Error handling to use C++ exceptions
* Major code-cleanups
* Minor bug fixes
Changes in 0.4.3:
* Color XTerm and TeXmacs support (by Andrey G. Grozin).
* Bug with random() on non-GNU systems fixed (thanks to Joel Hegg).
* Internal changes.
Changes in 0.4.2:
* Compile glitch fixed with RedHat 7.2.
* Nicer output of quantum states.
Changes in 0.4.1:
* ANSI C++ complience (except for local array variables).
* Fixed unitarity testing for matrix operators.
* Minor bugfixes.
Changes in 0.4.0:
* As the available documentation already exceeds the size of the
source code by an order of magnitude, the manual is no longer part
of the main distribution. If you are new to QCL, you probably want
do check out the Documentation section below.
* A sample inplementation of Grover's Database Search algorithm is
contained in the lib directory.
* The QCL searchpath now also looks for qcl-files in ./lib.
* Besides the dynamically linked program, the binary package now
also contains a static binary qcl-static.
* minor bugfixes.
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