stuff for generating random numbers
More...
#include "bertini2/mpfr_complex.hpp"
#include <boost/random.hpp>
Go to the source code of this file.
|
| complex | bertini::multiprecision::rand () |
| |
| complex | bertini::multiprecision::rand_unit () |
| |
| template<unsigned long digits = 50> |
| mpz_int | bertini::RandomInt () |
| |
| template<unsigned int length_in_digits> |
| mpfr_float | bertini::multiprecision::RandomMp () |
| |
| template<unsigned int length_in_digits> |
| mpfr_float | bertini::RandomMp () |
| |
| mpfr_float | bertini::RandomMp () |
| | create a random number, at the current default precision
|
| |
| mpfr_float | bertini::RandomMp (const mpfr_float &a, const mpfr_float &b) |
| | create a random number in a given interval, at the current default precision
|
| |
| mpfr_float | bertini::RandomMp (const mpfr_float &a, const mpfr_float &b, unsigned num_digits) |
| | create a random number in a given interval, at the specified precision
|
| |
| template<unsigned int length_in_digits> |
| mpfr_float | bertini::RandomMp (const mpfr_float &left, const mpfr_float &right) |
| |
| mpfr_float | bertini::RandomMp (unsigned num_digits) |
| | create a random number, at the specified precision
|
| |
| template<unsigned int length_in_digits> |
| void | bertini::RandomMpAssign (mpfr_float &a) |
| |
| void | bertini::RandomMpAssign (mpfr_float &a, unsigned num_digits) |
| | Set an existing mpfr_float to a random number, to a given precision.
|
| |
| template<unsigned long digits = 50> |
| mpq_rational | bertini::RandomRat () |
| |
| complex | bertini::multiprecision::RandomReal () |
| |
| complex | bertini::multiprecision::RandomReal (unsigned num_digits) |
| |
| void | bertini::multiprecision::RandomRealAssign (complex &a, unsigned num_digits) |
| |
stuff for generating random numbers
◆ rand()
| complex bertini::multiprecision::rand |
( |
| ) |
|
|
inline |
Produce a random complex number, to default precision.
◆ rand_unit()
| complex bertini::multiprecision::rand_unit |
( |
| ) |
|
|
inline |
Produce a random unit complex number, to default precision.
◆ RandomInt()
template<unsigned long digits = 50>
| mpz_int bertini::RandomInt |
( |
| ) |
|
|
inline |
Generate a random integer number between -10^digits and 10^digits
◆ RandomMp() [1/7]
template<unsigned int length_in_digits>
| mpfr_float bertini::RandomMp |
( |
| ) |
|
Produce a random number with at length_in_digits non-zero digits.
- Template Parameters
-
| length_in_digits | The length of the desired random number |
◆ RandomMp() [2/7]
template<unsigned int length_in_digits>
| mpfr_float bertini::RandomMp |
( |
| ) |
|
Produce a random number with at length_in_digits non-zero digits.
- Template Parameters
-
| length_in_digits | The length of the desired random number |
◆ RandomMp() [3/7]
| mpfr_float bertini::RandomMp |
( |
| ) |
|
create a random number, at the current default precision
◆ RandomMp() [4/7]
| mpfr_float bertini::RandomMp |
( |
const mpfr_float & | a, |
|
|
const mpfr_float & | b ) |
create a random number in a given interval, at the current default precision
◆ RandomMp() [5/7]
| mpfr_float bertini::RandomMp |
( |
const mpfr_float & | a, |
|
|
const mpfr_float & | b, |
|
|
unsigned | num_digits ) |
create a random number in a given interval, at the specified precision
◆ RandomMp() [6/7]
template<unsigned int length_in_digits>
| mpfr_float bertini::RandomMp |
( |
const mpfr_float & | left, |
|
|
const mpfr_float & | right ) |
a templated function for producing random numbers in a specified interval, of a given number of digits.
- Template Parameters
-
| length_in_digits | The length of the desired random number |
- Parameters
-
| a | The left bound. |
| b | The right bound. |
◆ RandomMp() [7/7]
| mpfr_float bertini::RandomMp |
( |
unsigned | num_digits | ) |
|
create a random number, at the specified precision
- Parameters
-
| num_digits | the precision that you desire. |
◆ RandomMpAssign() [1/2]
template<unsigned int length_in_digits>
| void bertini::RandomMpAssign |
( |
mpfr_float & | a | ) |
|
a templated function for producing random numbers in the unit interval, of a given number of digits.
- Template Parameters
-
| length_in_digits | The length of the desired random number |
- Parameters
-
| a | the number which will be assigned in this call |
◆ RandomMpAssign() [2/2]
| void bertini::RandomMpAssign |
( |
mpfr_float & | a, |
|
|
unsigned | num_digits ) |
Set an existing mpfr_float to a random number, to a given precision.
This function is how to get random numbers at a precision different from the current default.
◆ RandomRat()
template<unsigned long digits = 50>
| mpq_rational bertini::RandomRat |
( |
| ) |
|
Generate a random rational number with numerator and denomenator between -10^digits and 10^digits
◆ RandomReal() [1/2]
| complex bertini::multiprecision::RandomReal |
( |
| ) |
|
|
inline |
Produce a random real number \(\in [-1,\,1]\), to current default precision.
◆ RandomReal() [2/2]
| complex bertini::multiprecision::RandomReal |
( |
unsigned | num_digits | ) |
|
|
inline |
Produce a random real number \(\in [-1,\,1]\), to specified precision.
◆ RandomRealAssign()
| void bertini::multiprecision::RandomRealAssign |
( |
complex & | a, |
|
|
unsigned | num_digits ) |
|
inline |
Assign to a random real number \(\in [-1,\,1]\), to current default precision.
1.13.2