rand_gen.h

// Copyright 2020 Oscar Higgott

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//      http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <random>

std::mt19937 & global_urng();

void randomize();

/**
 * @brief Set the seed for the mt19937 random number generator
 * 
 * @param s 
 */
void set_seed(unsigned seed);

/**
 * @brief A random double chosen uniformly at random between `from` and `to`
 * 
 * @param from
 * @param to 
 * @return double 
 */
double rand_float(double from, double to);