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Rename QITE → DB_QITE to support multiple QITE methods #250

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Rename QITE → DB_QITE to support multiple QITE methods #250

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68b5c04
Initial commit on QITE wrapper
Sam-XiaoyueLi Jul 25, 2025
b3ba701
Merge branch 'eclipse-qrisp:main' into qite_wrapper
Sam-XiaoyueLi Jul 31, 2025
d61e86e
correct kwargs
Sam-XiaoyueLi Aug 1, 2025
b0d9d7f
fix kwargs
Sam-XiaoyueLi Aug 1, 2025
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13 changes: 12 additions & 1 deletion src/qrisp/algorithms/qite.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,18 @@
import jax.numpy as jnp


def QITE(qarg, U_0, exp_H, s, k, method="GC"):
def QITE(*args, procedure_type=None, **kwargs):
r"""
To anticipate other methods implementing QITE
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@marekgluza marekgluza Aug 1, 2025

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Suggested change
To anticipate other methods implementing QITE
To anticipate other methods implementing QITE.

Currently, Qrisp supports only DB-QITE
"""
# default
if procedure_type is None:
DB_QITE(*args, **kwargs)
# TODO: variational methods based on measurements


def DB_QITE(qarg, U_0, exp_H, s, k, method="GC"):
r"""
Performs `Double-Braket Quantum Imaginary-Time Evolution (DB-QITE) <https://arxiv.org/abs/2412.04554>`_.
Given a Hamiltonian :ref:`Operator <Operators>` $H$, this method implements the unitary $U_k$ that is recursively defined by either of
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