microsoft/qdk

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

import Types.FixedPoint;
import Convert.FixedPointAsBoolArray;

/// # Summary
/// Initialize a quantum fixed-point number to a classical constant.
///
/// # Input
/// ## constant
/// Constant to which to initialize the quantum fixed-point number.
/// ## fp
/// Fixed-point number (of type FixedPoint) to initialize.
operation PrepareFxP(constant : Double, fp : FixedPoint) : Unit is Adj + Ctl {
    let bits = FixedPointAsBoolArray(fp::IntegerBits, Length(fp::Register) - fp::IntegerBits, constant);
    ApplyPauliFromBitString(PauliX, true, bits, fp::Register);
}