Create a random array sampled from a normal distribution.  
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| AFAPI array | randn (const dim4 &dims, const dtype ty=f32) | 
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| AFAPI array | randn (const dim_t d0, const dtype ty=f32) | 
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| AFAPI array | randn (const dim_t d0, const dim_t d1, const dtype ty=f32) | 
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| AFAPI array | randn (const dim_t d0, const dim_t d1, const dim_t d2, const dtype ty=f32) | 
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| AFAPI array | randn (const dim_t d0, const dim_t d1, const dim_t d2, const dim_t d3, const dtype ty=f32) | 
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| AFAPI af_err | af_randn (af_array *out, const unsigned ndims, const dim_t *const dims, const af_dtype type) | 
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Create a random array sampled from a normal distribution. 
The distribution is centered around 0 
- Parameters
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    | [out] | out | is the generated array |  | [in] | ndims | is size of dimension array dims |  | [in] | dims | is the array containing sizes of the dimension |  | [in] | type | is the type of array to generate |  
 
 
 
- Parameters
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    | [in] | d0 | is the size of the first dimension |  | [in] | ty | is the type of the array |  
 
- Returns
- array of size d0
 
 
- Parameters
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    | [in] | d0 | is the size of the first dimension |  | [in] | d1 | is the size of the second dimension |  | [in] | ty | is the type of the array |  
 
- Returns
- array of size d0xd1
 
 
- Parameters
- 
  
    | [in] | d0 | is the size of the first dimension |  | [in] | d1 | is the size of the second dimension |  | [in] | d2 | is the size of the third dimension |  | [in] | ty | is the type of the array |  
 
- Returns
- array of size d0xd1xd2
 
 
- Parameters
- 
  
    | [in] | d0 | is the size of the first dimension |  | [in] | d1 | is the size of the second dimension |  | [in] | d2 | is the size of the third dimension |  | [in] | d3 | is the size of the fourth dimension |  | [in] | ty | is the type of the array |  
 
- Returns
- array of size d0xd1xd2xd3