view mt19937/mt19937ar.h @ 409:99e6cbad7f76 api-inversion

The lesser of two evils, part 2.

Implement paths through audiodb_insert_datum_internal() for databases
with O2_FLAG_LARGE_ADB, including in some of the helper functions.  Most
of the nasty stuff is concentrated in writing out the paths in what is
now step 6, and everything else looks much as before, apart from a
renumbering of the steps taken.

Now we can implement audiodb_insert() for O2_FLAG_LARGE_ADB databases;
we need to construct an adb_datum_internal_t from our adb_insert_t, but
that's straightforward -- even just about straightforward enough to do
it inline.

Then audioDB::batchinsert() can be rewritten completely in terms of API
functions, and doesn't need any kind of special treatment for the large
case.  Hooray.  The real point of that is of course that we can now
delete wodges of dead code, and move out audioDB::insert and
audioDB::batchinsert into audioDB.cpp, because all they're doing now is
dealing with command-line logic.

This point marks the limit of what can be achieved in terms of "API
inversion" at this time; the only remaining function,
audiodb_query() / audioDB::query cannot be inverted because its
API implementation is incomplete.

Future plans, in some order:
- merge this branch to trunk (check with current API/ABI clients);
- complete audiodb_query() implementation;
- invert audioDB::query / audiodb_query();
- MORE TESTS;
- remove audioDB.cpp from list of files compiled into the library;
- implement missing API functions (index, liszt, sample) directly;
- source code rearrangement into library and command-line directories;
- include bindings to library for some plausible candidate environments
  (Perl, Python, Lisp, Pd, Max/MSP) as examples;
- API documentation.

/* 
   A C-program for MT19937, with initialization improved 2002/1/26.
   Coded by Takuji Nishimura and Makoto Matsumoto.

   Before using, initialize the state by using init_genrand(seed)  
   or init_by_array(init_key, key_length).

   Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
   All rights reserved.
   Copyright (C) 2005, Mutsuo Saito
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

     1. Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.

     2. Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in the
        documentation and/or other materials provided with the distribution.

     3. The names of its contributors may not be used to endorse or promote 
        products derived from this software without specific prior written 
        permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


   Any feedback is very welcome.
   http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
   email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
*/

/* initializes mt[N] with a seed */
void init_genrand(unsigned long s);

/* initialize by an array with array-length */
/* init_key is the array for initializing keys */
/* key_length is its length */
/* slight change for C++, 2004/2/26 */
void init_by_array(unsigned long init_key[], int key_length);

/* generates a random number on [0,0xffffffff]-interval */
unsigned long genrand_int32(void);

/* generates a random number on [0,0x7fffffff]-interval */
long genrand_int31(void);

/* These real versions are due to Isaku Wada, 2002/01/09 added */
/* generates a random number on [0,1]-real-interval */
double genrand_real1(void);

/* generates a random number on [0,1)-real-interval */
double genrand_real2(void);

/* generates a random number on (0,1)-real-interval */
double genrand_real3(void);

/* generates a random number on [0,1) with 53-bit resolution*/
double genrand_res53(void);