/*
* Copyright ( c ) 2014 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/**
* Common library for additional constants of the { @ code float } type .
*/
public final class FloatConsts {
/**
* Don ' t let anyone instantiate this class .
*/
private FloatConsts() {}
/**
* Bias used in representing a { @ code float } exponent .
*/
public static final int EXP_BIAS = 127 ;
/**
* Bit mask to isolate the exponent field of a { @ code float } .
*/
public static final int EXP_BIT_MASK = 0 x7F800000;
/**
* Bit mask to isolate the sign bit of a { @ code float } .
*/
public static final int SIGN_BIT_MASK = 0 x80000000;
/**
* Bit mask to isolate the significand field of a { @ code float } .
*/
public static final int SIGNIF_BIT_MASK = 0 x007FFFFF;
/**
* The number of logical bits in the significand of a
* { @ code float } number , including the implicit bit .
*/
public static final int SIGNIFICAND_WIDTH = 24 ;
/**
* The exponent the smallest positive { @ code float } subnormal
* value would have if it could be normalized .
*/
public static final int MIN_SUB_EXPONENT = Float .MIN_EXPONENT -
(SIGNIFICAND_WIDTH - 1 );
static {
// verify bit masks cover all bit positions and that the bit
// masks are non-overlapping
assert (((SIGN_BIT_MASK | EXP_BIT_MASK | SIGNIF_BIT_MASK) == ~0 ) &&
(((SIGN_BIT_MASK & EXP_BIT_MASK) == 0 ) &&
((SIGN_BIT_MASK & SIGNIF_BIT_MASK) == 0 ) &&
((EXP_BIT_MASK & SIGNIF_BIT_MASK) == 0 )));
}
}
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(vorverarbeitet am 2026-09-29)
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