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NCBI C++ ToolKit: include/util/random_gen.hpp Source File

1 #ifndef RANDOM_GEN__HPP 2 #define RANDOM_GEN__HPP 80 CRandom

(EGetRandMethod method = eGetRand_LFG);

89

TValue GetRand(

void

);

95

TValue GetRand(TValue

min_value

, TValue max_value);

101 Uint8

GetRandUint8(

void

);

113 size_t

GetRandSize_t(

size_t min_value

size_t

max_value);

119

TValue GetRandIndex(TValue

size

);

131 size_t

GetRandIndexSize_t(

size_t size

);

134 static

TValue GetMax(

void

);

137

EGetRandMethod GetRandMethod(

void

)

const

;

144 void

Randomize(

void

);

148 void

SetSeed(TValue

seed

);

152

TValue GetSeed(

void

)

const

;

168 TValue

x_GetRand32Bits(

void

);

170 TValue

x_GetSysRand32Bits(

void

)

const

;

184

eUnexpectedRandMethod,

192 switch

(GetErrCode()) {

193 case

eUnavailable :

return "eUnavailable"

;

194 case

eUnexpectedRandMethod :

return "eUnexpectedRandMethod"

;

195 case

eSysGeneratorError :

return "eSysGeneratorError"

;

230 else if

(

m_RJ

< 0 ) {

262

}

while

( bits >

size

);

269 #if SIZEOF_SIZE_T == 4

Exceptions generated by CRandom class.

Include a standard set of the NCBI C++ Toolkit most basic headers.

EErrCode

Error types that an application can generate.

virtual const char * GetErrCodeString(void) const

Get error code interpreted as text.

uint32_t Uint4

4-byte (32-bit) unsigned integer

uint64_t Uint8

8-byte (64-bit) unsigned integer

TValue m_State[kStateSize]

NCBI_EXCEPTION_DEFAULT(CRandomException, CException)

virtual const char * GetErrCodeString(void) const override

Get error code interpreted as text.

Uint4 TValue

Type of the generated integer value and/or the seed value.

EGetRandMethod m_RandMethod

TValue GetRand(void)

Get the next random number in the interval [0..GetMax()] (inclusive)

size_t GetRandIndexSize_t(size_t size)

Get random number in the interval [0..size-1] (e.g.

EGetRandMethod GetRandMethod(void) const

Get the random generator type.

TValue GetRandIndex(TValue size)

Get random number in the interval [0..size-1] (e.g.

Uint8 GetRandUint8(void)

Get random Uint8 number.

Uint8 GetRandIndexUint8(Uint8 size)

Get random number in the interval [0..size-1] (e.g.

EGetRandMethod

Random generator to use in the GetRand() functions.

TValue x_GetRand32Bits(void)

Uint8 x_GetRand64Bits(void)

static TValue GetMax(void)

The max. value GetRand() returns.

size_t GetRandSize_t(size_t min_value, size_t max_value)

Get random number in the interval [min_value..max_value] (inclusive)

CRandom & operator=(const CRandom &)

TValue x_GetSysRand32Bits(void) const

@ eGetRand_LFG

Use lagged Fibonacci (LFG) random number generator.

@ eGetRand_Sys

Use system-dependent random generator.

@ eUnavailable

System-dependent generator is not available.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

const struct ncbi::grid::netcache::search::fields::SIZE size

double r(size_t dimension_, const Int4 *score_, const double *prob_, double theta_)

NCBI_XUTIL_EXPORT

Parameter to control printing diagnostic message about conversion of static array data from a differe...

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