Gameboy Development Forum
Discussion about software development for the old-school Gameboys, ranging from the "Gray brick" to Gameboy Color
(Launched in 2008)
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#1 2015-10-07 21:41:39
GBDK doesnt support math.h ?!?
I'm working on this project and I needed to use floor() but it was saying that was an unrecognized thing, so I googled it and figured out that you needed to include math.h but when I include that the compiler says undocumented I/O error! How on earth have we gone this long without taking about the lack of a floor function!
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#2 2015-10-08 12:05:06
- Xephyr
- Member
- From: France
- Registered: 2015-02-26
- Posts: 59
Re: GBDK doesnt support math.h ?!?
GBDK does not completly use basic C functions. For printf() for exemple, it's a function coded directly to work on the GameBoy and not the one you would usually have with stdio.h in a classic C program.
The same way, if you want to use the floor() function, you'll have to rewrite your own one that compile with GBDK.
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#3 2015-10-09 17:25:52
- a cat
- Member
- Registered: 2014-07-27
- Posts: 98
Re: GBDK doesnt support math.h ?!?
i looked for a while on the internet and this was the best thing i could find to help you implement a floor(); function
unless you want to search through the hole glib library!
https://stackoverflow.com/questions/745 … om-scratch
Last edited by a cat (2015-10-09 17:25:58)
a cat in need of knowledge!!
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