Visible to Intel only — GUID: GUID-ADDE9E9C-1CF4-4D93-8036-AB56C960F9AD
Visible to Intel only — GUID: GUID-ADDE9E9C-1CF4-4D93-8036-AB56C960F9AD
vRngWeibull
Generates Weibull distributed random numbers.
Syntax
status = vsRngWeibull( method, stream, n, r, alpha, a, beta );
status = vdRngWeibull( method, stream, n, r, alpha, a, beta );
Include Files
- mkl.h
Input Parameters
Name |
Type |
Description |
---|---|---|
method |
const MKL_INT |
Generation method. The specific values are as follows: VSL_RNG_METHOD_WEIBULL_ICDF VSL_RNG_METHOD_WEIBULL_ICDF_ACCURATE Inverse cumulative distribution function method |
stream |
VSLStreamStatePtr |
Pointer to the stream state structure |
n |
const MKL_INT |
Number of random values to be generated |
alpha |
const float for vsRngWeibull const double for vdRngWeibull |
Shape α. |
a |
const float for vsRngWeibull const double for vdRngWeibull |
Displacement a |
beta |
const float for vsRngWeibull const double for vdRngWeibull |
Scalefactor β. |
Output Parameters
Name |
Type |
Description |
---|---|---|
r |
float* for vsRngWeibull double* for vdRngWeibull |
Vector of n Weibull distributed random numbers |
Description
The vRngWeibull function generates Weibull distributed random numbers with displacement a, scalefactor β, and shape α, where α, β, a∈R ; α > 0, β > 0.
The probability density function is given by:
![Equation](/content/dam/docs/us/en/developer-reference-c/2024-2/8F2DCE6A-CB54-4CEA-A5EB-937893A3DB34-low.gif)
The cumulative distribution function is as follows:
![Equation](/content/dam/docs/us/en/developer-reference-c/2024-2/6F53C93C-0634-4E53-8874-5ACBD4C9AA3E-low.gif)
Product and Performance Information |
---|
Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex. Notice revision #20201201 |
Return Values
- VSL_ERROR_OK, VSL_STATUS_OK
-
Indicates no error, execution is successful.
- VSL_ERROR_NULL_PTR
-
stream is a NULL pointer.
- VSL_RNG_ERROR_BAD_STREAM
-
stream is not a valid random stream.
- VSL_RNG_ERROR_BAD_UPDATE
-
Callback function for an abstract BRNG returns an invalid number of updated entries in a buffer, that is, < 0 or > nmax.
- VSL_RNG_ERROR_NO_NUMBERS
-
Callback function for an abstract BRNG returns 0 as the number of updated entries in a buffer.
- VSL_RNG_ERROR_QRNG_PERIOD_ELAPSED
-
Period of the generator has been exceeded.
- VSL_RNG_ERROR_NONDETERM_NRETRIES_EXCEEDED
-
Number of retries to generate a random number by using non-deterministic random number generator exceeds threshold.
- VSL_RNG_ERROR_ARS5_NOT_SUPPORTED
-
ARS-5 random number generator is not supported on the CPU running the application.