boost::openmethod::policies::fast_perfect_hash::fn::initialize
Finds the hash factors
Synopsis
Declared in <boost/openmethod/policies/fast_perfect_hash.hpp>
template<
class Context,
class... Options>
static
void
initialize(
Context const& ctx,
std::tuple<Options...> const& options);Description
Attempts to find suitable values for the multiplication factor M and the shift amount S to that do not result in collisions for the specified input values.
If no suitable values are found, calls the error handler with a hash_error object then calls abort.
Use hash_range to retrieve the minimum and maximum hash values after calling this function.
Parameters
Name |
Description |
ctx |
A Context object. |
options |
A tuple of option objects. |
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