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Math Primitives for EO Programming Language
/*
* The MIT License (MIT)
*
* Copyright (c) 2022 Max Trunnikov
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE
*/
// @checkstyle PackageNameCheck (1 line)
package EOorg.EOeolang.EOmath;
import org.eolang.AtComposite;
import org.eolang.Data;
import org.eolang.PhDefault;
import org.eolang.PhWith;
import org.eolang.Phi;
import org.eolang.XmirObject;
/**
* Pseudo-seed.
*
* @checkstyle TypeNameCheck (100 lines)
* @since 0.1.2
*/
@XmirObject(oname = "random.pseudo")
public final class EOrandom$EOpseudo extends PhDefault {
/**
* Ctor.
*
* @param sigma Sigma
*/
public EOrandom$EOpseudo(final Phi sigma) {
super(sigma);
this.add(
"φ",
new AtComposite(
this,
self -> {
final int thirtyfive = 35;
final int fiftythree = 53;
final int seventeen = 17;
return new PhWith(
new EOrandom(self),
"seed",
new Data.ToPhi(
((System.nanoTime() << thirtyfive) & ((1L << fiftythree) - 1))
+ ((System.nanoTime() << seventeen) & ((1L << thirtyfive) - 1))
+ (System.nanoTime() & ((1L << seventeen) - 1))
)
);
}
)
);
}
}
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