o Pj @sdZddlZddlZddlmZmZmZmZdeeefdeeefdeee ffddZ d e d e deefd d Z d edefddZ ddee dfdeee dfde fddZ deeefdefddZdS)z+File for placing functions used in library.N)ListOptionalTupleUnionvec1vec2returncCs0t|t|kr tdtddt||DS)zTwo vectors dot product. Parameters: vec1: List[float] - first vector vec2: List[float] - second vector Returns: Dot product of 2 vectors Raises: ValueError: if length not equal z$lengths of two vectors are not equalcSsg|]\}}||qSr ).0val1val2r r G/home/thesage/.local/lib/python3.10/site-packages/perlin_noise/tools.py szdot..)len ValueErrorsumzip)rrr r r dotsr dimensionsseedcCsDt}t|g}t|D] }|tddqt||S)zSample normalized vector given length. Parameters: dimensions: int - space size seed: Optional[int] - random seed value Returns: List[float] - normalized random vector of given size )randomgetstaterrangeappenduniformsetstate)rrstvec_r r r sample_vectors   r! given_valuecCsH|dks|dkr tddt|ddt|ddt|d S) zSmoothing [0, 1] values. Parameters: given_value: float [0, 1] value for smoothing Returns: smoothed [0, 1] value Raises: ValueError: if input not in [-0.1, 1.1] gg?z%expected to have value in [-0.1, 1.1] )rmathpow)r"r r r fade2s r+ coordinates. tile_sizesc CsJ|rtddt||D}tdtttddtt|D|dS)aHashes coordinates to integer number and use obtained number as seed. Parameters: coordinates: Tuple[int, ...] - tuple of coordinates tile_sizes: Optional[Tuple[int, ...]] - optional tile sizes Returns: hash of coordinates in integer css|] \}}||VqdSNr )r coorstiler r r Us  zhasher..rcSsg|]}d|qS)r'r )r coordinater r r r]szhasher..)tuplermaxintabsrrr)r,r-r r r hasherGs r7iterablecCs,t|dkr |dS|dt|ddS)zMultiplies values of iterable each with each. Parameters: iterable: - any iterable Returns: product of values rrN)rproduct)r8r r r r9ds r9r.)__doc__r)rtypingrrrrfloatr5rr!r+r7r9r r r r s,