cgfloat
CGFloat: round, floor, abs, and 32/64 bit precision
TLDR: How do I call standard floating point code in a way that compiles both 32 and 64 bit CGFloats without warnings?[详细]
2023-04-11 19:54 分类:问答CGFloat addition bug?
I was trying to add some CGFloat values recursively in my program. And I just realized in one particular scenario the total generated was incorrect. To ensure I had nothing wrong开发者_如何学运维 in m[详细]
2023-04-02 04:15 分类:问答Is there a constant for the maximum CGFloat value?
I need to create a CGSize to compute text height of an arbitrary text with arbitrary length. UIKit has this nice method -siz开发者_JS百科eWithFont:constrainedToSize: and my text is only constrained in[详细]
2023-03-11 19:13 分类:问答How to check for NaN value in Objective-C (iOS) [duplicate]
This question already has answers here:开发者_Go百科 Closed 11 years ago. Possible Duplicates: Objective-C - float checking for nan[详细]
2023-03-10 05:56 分类:问答CGFloat Incompatible types in initialization
Anyone see the issue here? double lat开发者_如何学CDouble = [latString doubleValue]; double lngDouble = [lngString doubleValue];[详细]
2023-02-14 22:02 分类:问答implicit conversion shortens 64 bit to 32 bit
Can someone expl开发者_开发知识库ain why this causes the error stated in the title? CGFloat dx = fabs(lastPoint.x - currentPoint.x);[详细]
2023-01-29 12:05 分类:问答Iphone development: UIColor / CGColor components comparison
I\'ve got some internal codes for colors in my application, so I created a function that, given a color, returns the code. I\'m having problems as it just doesn\'t work and return always \"01\" for ev[详细]
2023-01-19 07:03 分类:问答Integer to CGFloat help needed
In my iPhone app, I have a appSettings.plist. This allows me, but also others to simply change some parameters. One of the parameters is the predominant color of the app. The .plist looks like this:[详细]
2023-01-16 23:56 分类:问答Use CGFloat instead of float? They don't do it
[I might be misunderstanding this entire topic, as I\'ve grown up with languages that allow the dev to almost entirely ignore processor architecture, like Java, except in some particular cases. Please[详细]
2023-01-06 10:38 分类:问答NSNumber floatValue not equal to NSNumber value
First post here. Having a problem with NSNumber\'s floatValue method -- somehow, it returns an imprecise number.Here\'s the problem:I store a bunch of NSNumbers in an array, like this:[详细]
2022-12-29 19:52 分类:问答