Temporarily turn off floating point denormals.
Internally, this uses a RAII-style guard to manage the state of certain processor flags.
On x86
and x86_64
, this sets the flush-to-zero and denormals-are-zero flags in the MXCSR register.
On aarch64
this sets the flush-to-zero flag in the FPCR register.
In all cases, the register will be reset to its initial state when the guard is dropped.
```rust use nodenormals::nodenormals;
no_denormals(|| { // your DSP code here. });
```