cgfloat_开发者

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