Query about Float Point Operation

[Rajanikanth H.V]

2010/3/23 胡杨树 <914059751 at qq.com>:
> Hi , guys
> I want to do float point operations in kernel like the following,
>
> int foo(double d)
> {
>
> return (int)d*d;
>
> }
>
> while compiling output error msg like following:
> cannt find eabi_dmul  balabla。。。。。。
>
> May I ask any possibility of use float point operation in the kernel space?
> Any hints/doc would be appreciated!
I do not know how are you compiling the required function.
Use hardware floating point support. If your target SOC support.
Also verify whether Floating Point Emulation -> VFP is enabled in your config.

> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>