BLI_math_mpq.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#ifdef WITH_GMP
 
/* This file uses an external file header to define the multi-precision
 * rational type, mpq_class.
 * This class keeps separate multi-precision integer numerator and
 * denominator, reduced to lowest terms after each arithmetic operation.
 * It can be used where it is important to have exact arithmetic results.
 *
 * See gmplib.org for full documentation. In particular:
 * https://gmplib.org/manual/C_002b_002b-Interface-Rationals
 */
#  include "gmpxx.h"
 
#  include "BLI_math_base.hh"
 
namespace blender::math {
template<> inline constexpr bool is_math_float_type<mpq_class> = true;
}
 
#endif /* WITH_GMP */