#include <random_generator.h>
Public Member Functions | |
| unsigned int | generate (unsigned int limit) |
| Return a random number in the given range (note that not all the RNG can handle a given limit). | |
| unsigned int | generate () |
| double | generate01 () |
| Returns a random number in the [0,1) real interval using the improved Marsenne-Twister. | |
| double | generate01closed () |
| Returns a random number in the [0,1] real interval using the improved Marsenne-Twister. | |
| double | generate01open () |
| Generates a random number in the (0,1) real interval using the improved Marsenne-Twister. | |
| template<class PointType > | |
| void | generateBarycentric (PointType &p) |
| Generate a random triple of baricentric coords. | |
| void | initialize (unsigned int seed) |
| (Re-)initialize with the given seed. | |
| void | initializeByArray (unsigned int init_key[], int key_length) |
| MarsenneTwisterRNG () | |
| MarsenneTwisterRNG (unsigned int seed) | |
| virtual | ~MarsenneTwisterRNG () |
Private Attributes | |
| unsigned int | mt [N] |
| int | mti |
Static Private Attributes | |
| static const unsigned int | LOWER_MASK = 0x7fffffffu |
| static const int | M = 397 |
| static const unsigned int | MATRIX_A = 0x9908b0dfu |
| static const int | N = 624 |
| static const unsigned int | UPPER_MASK = 0x80000000u |
Detailed Description
The second one is an improved Marsenne-Twister algorithm (MT19937) Coded by Takuji Nishimura and Makoto Matsumoto (see copyright note below) and successively modified to be a C++ class by Daniel Dunbar.
References for improved Marsenne-Twister:
http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
Definition at line 250 of file random_generator.h.
Constructor & Destructor Documentation
| vcg::math::MarsenneTwisterRNG::MarsenneTwisterRNG | ( | ) | [inline] |
Definition at line 273 of file random_generator.h.
| vcg::math::MarsenneTwisterRNG::MarsenneTwisterRNG | ( | unsigned int | seed | ) | [inline] |
Definition at line 278 of file random_generator.h.
| virtual vcg::math::MarsenneTwisterRNG::~MarsenneTwisterRNG | ( | ) | [inline, virtual] |
Definition at line 283 of file random_generator.h.
Member Function Documentation
| unsigned int vcg::math::MarsenneTwisterRNG::generate | ( | unsigned int | limit | ) | [inline, virtual] |
Return a random number in the given range (note that not all the RNG can handle a given limit).
Implements vcg::math::RandomGenerator.
Definition at line 348 of file random_generator.h.
| unsigned int vcg::math::MarsenneTwisterRNG::generate | ( | ) | [inline] |
Return a random number in the [0,0xffffffff] interval using the improved Marsenne Twister algorithm.
NOTE: Limit is not considered, the interval is fixed.
Definition at line 358 of file random_generator.h.
| double vcg::math::MarsenneTwisterRNG::generate01 | ( | ) | [inline, virtual] |
Returns a random number in the [0,1) real interval using the improved Marsenne-Twister.
Implements vcg::math::RandomGenerator.
Definition at line 404 of file random_generator.h.
| double vcg::math::MarsenneTwisterRNG::generate01closed | ( | ) | [inline, virtual] |
Returns a random number in the [0,1] real interval using the improved Marsenne-Twister.
Implements vcg::math::RandomGenerator.
Definition at line 398 of file random_generator.h.
| double vcg::math::MarsenneTwisterRNG::generate01open | ( | ) | [inline, virtual] |
Generates a random number in the (0,1) real interval using the improved Marsenne-Twister.
Implements vcg::math::RandomGenerator.
Definition at line 410 of file random_generator.h.
| void vcg::math::MarsenneTwisterRNG::generateBarycentric | ( | PointType & | p | ) | [inline] |
Generate a random triple of baricentric coords.
Definition at line 417 of file random_generator.h.
| void vcg::math::MarsenneTwisterRNG::initialize | ( | unsigned int | seed | ) | [inline, virtual] |
(Re-)initialize with the given seed.
Implements vcg::math::RandomGenerator.
Definition at line 291 of file random_generator.h.
| void vcg::math::MarsenneTwisterRNG::initializeByArray | ( | unsigned int | init_key[], |
| int | key_length | ||
| ) | [inline] |
Initialize by an array with array-length.
init_key is the array for initializing keys key_length is its length
Definition at line 312 of file random_generator.h.
Member Data Documentation
const unsigned int vcg::math::MarsenneTwisterRNG::LOWER_MASK = 0x7fffffffu [static, private] |
Definition at line 260 of file random_generator.h.
const int vcg::math::MarsenneTwisterRNG::M = 397 [static, private] |
Definition at line 257 of file random_generator.h.
const unsigned int vcg::math::MarsenneTwisterRNG::MATRIX_A = 0x9908b0dfu [static, private] |
Definition at line 258 of file random_generator.h.
unsigned int vcg::math::MarsenneTwisterRNG::mt[N] [private] |
Definition at line 266 of file random_generator.h.
int vcg::math::MarsenneTwisterRNG::mti [private] |
Definition at line 267 of file random_generator.h.
const int vcg::math::MarsenneTwisterRNG::N = 624 [static, private] |
Definition at line 256 of file random_generator.h.
const unsigned int vcg::math::MarsenneTwisterRNG::UPPER_MASK = 0x80000000u [static, private] |
Definition at line 259 of file random_generator.h.
The documentation for this class was generated from the following file: