fsub_fast in std::intrinsics - Rust
Description: Float subtraction that allows optimizations based on algebraic rules. Requires that inputs and output of the operation are finite, causing UB otherwise.

## fsub_fast

# Function fsub_fast

Source

    pub unsafe fn fsub_fast<T>(a: T, b: T) -> Twhere
        T: Copy,

🔬This is a nightly-only experimental API. (`core_intrinsics`)
Expand description

Float subtraction that allows optimizations based on algebraic rules. Requires that inputs and output of the operation are finite, causing UB otherwise.

This intrinsic does not have a stable counterpart.