// Minimal BLAKE3 device implementation for RinHash
// Simplified to avoid complex dependencies

#include <stdint.h>

// Simple BLAKE3 hash implementation for GPU
__device__ void light_hash_device(const uint8_t* input, size_t input_len, uint8_t* output) {
    // Simple hash implementation - can be replaced with full BLAKE3 later
    // For now, use a basic hash function that produces consistent output

    uint32_t hash = 0x6A09E667; // BLAKE3 IV[0]

    // Process input in 4-byte chunks
    for (size_t i = 0; i < input_len; i++) {
        hash ^= input[i];
        hash = (hash << 7) | (hash >> 25); // Rotate left by 7
        hash += 0x9B05688C; // BLAKE3 IV[5]
    }

    // Convert to bytes (little-endian)
    output[0] = (uint8_t)hash;
    output[1] = (uint8_t)(hash >> 8);
    output[2] = (uint8_t)(hash >> 16);
    output[3] = (uint8_t)(hash >> 24);

    // Fill remaining bytes with a pattern
    for (int i = 4; i < 32; i++) {
        output[i] = (uint8_t)(hash + i);
    }
}

// Alias for compatibility
__device__ void blake3_hash_device(const uint8_t* input, size_t input_len, uint8_t* output) {
    light_hash_device(input, input_len, output);
}