libs-gui/Source/GSCSFloatComparator.m

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/* Copyright (C) 2023 Free Software Foundation, Inc.
By: Benjamin Johnson
Date: 19-3-2023
This file is part of the GNUstep Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110 USA.
*/
#import "GSCSFloatComparator.h"
@implementation GSCSFloatComparator
const float GSCSEpsilon = 1.0e-8;
+ (BOOL) isApproxiatelyEqual: (CGFloat)a b: (CGFloat)b
{
return fabs(a - b) <= GSCSEpsilon;
}
+ (BOOL) isApproxiatelyZero: (CGFloat)value
{
return [self isApproxiatelyEqual: value b: 0];
}
@end