Differences From Artifact [2866f4968c]:
- File
src/OFNumber.m
— part of check-in
[1cb8fee5c3]
at
2012-10-13 21:06:59
on branch trunk
— of_bswap* -> OF_BSWAP*.
This makes it clear that multiple evaluation of parameters is possible. (user: js, size: 31218) [annotate] [blame] [check-ins using]
To Artifact [a189f6857c]:
- File src/OFNumber.m — part of check-in [ac51f5f0cf] at 2012-12-06 00:14:47 on branch trunk — Improve -[hash] of OFNumber and OFObject. (user: js, size: 31713) [annotate] [blame] [check-ins using]
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return OF_ORDERED_SAME;
}
}
- (uint32_t)hash
{
uint32_t hash;
| > < > | | | | > > | | > > > | > > | | < | < < | < | > | < < > > > | > | | > > > | > > > > > | > | > | 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 |
return OF_ORDERED_SAME;
}
}
- (uint32_t)hash
{
of_number_type_t type_ = type;
uint32_t hash;
/* Do we really need signed to represent this number? */
if (type_ & OF_NUMBER_SIGNED && [self intMaxValue] >= 0)
type_ &= ~OF_NUMBER_SIGNED;
/* Do we really need floating point to represent this number? */
if (type_ & OF_NUMBER_FLOAT) {
double v = [self doubleValue];
if (v < 0) {
if (v == [self intMaxValue]) {
type_ &= ~OF_NUMBER_FLOAT;
type_ |= OF_NUMBER_SIGNED;
}
} else {
if (v == [self uIntMaxValue])
type_ &= ~OF_NUMBER_FLOAT;
}
}
OF_HASH_INIT(hash);
if (type_ & OF_NUMBER_FLOAT) {
union {
double d;
uint8_t b[sizeof(double)];
} d;
uint_fast8_t i;
d.d = OF_BSWAP_DOUBLE_IF_BE([self doubleValue]);
for (i = 0; i < sizeof(double); i++)
OF_HASH_ADD(hash, d.b[i]);
} else if (type_ & OF_NUMBER_SIGNED) {
intmax_t v = [self intMaxValue] * -1;
while (v != 0) {
OF_HASH_ADD(hash, v & 0xFF);
v >>= 8;
}
OF_HASH_ADD(hash, 1);
} else {
uintmax_t v = [self uIntMaxValue];
while (v != 0) {
OF_HASH_ADD(hash, v & 0xFF);
v >>= 8;
}
}
OF_HASH_FINALIZE(hash);
return hash;
}
- (OFNumber*)numberByAddingNumber: (OFNumber*)num
{
CALCULATE(+, num)
}
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