set_initial_lda_wrapper< T > Class Template Reference

Static Public Member Functions
static void	func (weight &w, initial_weights &iw, uint64_t index)

Detailed Description

template<class T>
class set_initial_lda_wrapper< T >

Definition at line 777 of file lda_core.cc.

Member Function Documentation

func()

template<class T >

static void set_initial_lda_wrapper< T >::func ( weight &  w, initial_weights &  iw, uint64_t  index  )

inlinestatic

Definition at line 780 of file lda_core.cc.

References initial_weights::_initial, initial_weights::_initial_random, initial_weights::_lda, initial_weights::_random, and merand48().

  {
    uint32_t lda = iw._lda;
    weight initial_random = iw._initial_random;
    if (iw._random)
    {
      weight *pw = &w;
      for (size_t i = 0; i != lda; ++i, ++index) pw[i] = (float)(-log(merand48(index) + 1e-6) + 1.0f) * initial_random;
    }
    (&w)[lda] = iw._initial;
  }

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The documentation for this class was generated from the following file:

• /mnt/c/w/linux/vowpal_wabbit/vowpalwabbit/lda_core.cc