56 lines
1.5 KiB
Objective-C
56 lines
1.5 KiB
Objective-C
#import "EXPFloatTuple.h"
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wobjc-designated-initializers"
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@implementation EXPFloatTuple
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#pragma clang diagnostic pop
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@synthesize values = _values, size = _size;
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- (instancetype)initWithFloatValues:(float *)values size:(size_t)size {
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if ((self = [super init])) {
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self.values = malloc(sizeof(float) * size);
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memcpy(self.values, values, sizeof(float) * size);
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self.size = size;
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}
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return self;
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}
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- (void)dealloc {
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free(self.values);
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[super dealloc];
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}
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- (BOOL)isEqual:(id)object {
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if (![object isKindOfClass:[EXPFloatTuple class]]) return NO;
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EXPFloatTuple *other = (EXPFloatTuple *)object;
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if (self.size == other.size) {
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for (int i = 0; i < self.size; ++i) {
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if (self.values[i] != other.values[i]) return NO;
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}
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return YES;
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}
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return NO;
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}
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- (NSUInteger)hash
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{
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NSUInteger prime = 31;
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NSUInteger hash = 0;
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for (int i=0; i<self.size; i++) {
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hash = prime * hash + (NSUInteger)self.values[i];
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}
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return hash;
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}
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- (NSString *)description {
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if (self.size == 2) {
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return [NSString stringWithFormat:@"Float tuple: {%f, %f}", self.values[0], self.values[1]];
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} else if (self.size == 4) {
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return [NSString stringWithFormat:@"Float tuple: {%f, %f, %f, %f}", self.values[0], self.values[1], self.values[2], self.values[3]];
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}
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return [NSString stringWithFormat:@"Float tuple of unexpected size %zd, sadly", self.size];
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}
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@end
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