constant.h

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/*
Copyright (c) by respective owners including Yahoo!, Microsoft, and
individual contributors. All rights reserved.  Released under a BSD
license as described in the file LICENSE.
 */
#pragma once
constexpr int quadratic_constant = 27942141;
constexpr int cubic_constant = 21791;
constexpr int cubic_constant2 = 37663;
constexpr int affix_constant = 13903957;
constexpr uint64_t constant = 11650396;

constexpr float probability_tolerance = 1e-5f;

// FNV-like hash constant for 32bit
// http://www.isthe.com/chongo/tech/comp/fnv/#FNV-param
constexpr uint32_t FNV_prime = 16777619;

constexpr unsigned char default_namespace = 32;
constexpr unsigned char wap_ldf_namespace = 126;
constexpr unsigned char history_namespace = 127;
constexpr unsigned char constant_namespace = 128;
constexpr unsigned char nn_output_namespace = 129;
constexpr unsigned char autolink_namespace = 130;
constexpr unsigned char neighbor_namespace =
    131;  // this is \x83 -- to do quadratic, say "-q a`printf "\x83"` on the command line
constexpr unsigned char affix_namespace = 132;         // this is \x84
constexpr unsigned char spelling_namespace = 133;      // this is \x85
constexpr unsigned char conditioning_namespace = 134;  // this is \x86
constexpr unsigned char dictionary_namespace = 135;    // this is \x87
constexpr unsigned char node_id_namespace = 136;       // this is \x88
constexpr unsigned char message_namespace = 137;       // this is \x89
constexpr unsigned char ccb_slot_namespace = 139;
constexpr unsigned char ccb_id_namespace = 140;

typedef float weight;

constexpr size_t NUM_NAMESPACES = 256;