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/*
* Copyright (c) 2008 - 2009
* Copyright (c) 2008 - 2010
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE included in
* the packaging of this file.
*/
#include "config.h"
#import "OFNumber.h"
#import "OFExceptions.h"
#import "OFMacros.h"
#define RETURN_AS(t) \
switch (type) { \
case OF_NUMBER_CHAR: \
return (t)value.char_; \
case OF_NUMBER_SHORT: \
return (t)value.short_; \
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case OF_NUMBER_DOUBLE: \
value.double_ o; \
break; \
default: \
@throw [OFInvalidFormatException newWithClass: isa]; \
}
#define CALCULATE2(o, n) \
switch ([n type]) { \
switch (type) { \
case OF_NUMBER_CHAR: \
value.char_ o [n asChar]; \
break; \
case OF_NUMBER_SHORT: \
value.short_ o [n asShort]; \
break; \
case OF_NUMBER_INT: \
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@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
}
}
- (uint32_t)hash
{
uint32_t hash;
size_t i;
switch (type) {
case OF_NUMBER_FLOAT:
OF_HASH_INIT(hash);
for (i = 0; i < sizeof(float); i++)
OF_HASH_ADD(hash, ((char*)&value.float_)[i]);
OF_HASH_FINALIZE(hash);
return hash;
case OF_NUMBER_DOUBLE:
OF_HASH_INIT(hash);
for (i = 0; i < sizeof(double); i++)
OF_HASH_ADD(hash, ((char*)&value.double_)[i]);
OF_HASH_FINALIZE(hash);
return hash;
default:
return [self asUInt32];
return [self asUInt32];
}
}
- add: (OFNumber*)num
{
CALCULATE2(+=, num)
return self;
}
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