use std::hash::{Hash, Hasher};
use crate::core::pbrt::Float;
use std::collections::hash_map::DefaultHasher;

const U32_TO_F32_SCALE: f32 = 1.0 / 4294967296.0;

pub fn hash_float<T: Hash>(args: T) -> Float {
    let mut hasher = DefaultHasher::new();
    args.hash(&mut hasher);
    let hash_u64 = hasher.finish();
    let hash_u32 = hash_u64 as u32;
    (hash_u32 as f32) * U32_TO_F32_SCALE
}