Spaces:
Sleeping
Sleeping
File size: 2,872 Bytes
e45d058 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 |
/***************************************************************************************************
* Copyright (c) 2023 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
**************************************************************************************************/
#pragma once
#include <cutlass/complex.h>
#include <cute/util/type_traits.hpp>
#include <cute/numeric/numeric_types.hpp>
namespace cute
{
using cutlass::complex;
using cutlass::is_complex;
using cutlass::RealType;
using cutlass::real;
using cutlass::imag;
using cutlass::conj;
template <class T>
static constexpr auto is_complex_v = is_complex<T>::value;
/// Fused multiply-add for complex numbers
template <class T>
CUTE_HOST_DEVICE constexpr
void
fma(complex<T> & d,
complex<T> const& a,
complex<T> const& b,
complex<T> const& c)
{
fma(d.real(), a.real(), b.real(), c.real());
fma(d.imag(), a.real(), b.imag(), c.imag());
fma(d.real(), -a.imag(), b.imag(), d.real());
fma(d.imag(), a.imag(), b.real(), d.imag());
}
/// Fused multiply-add for triplets
template <class T>
CUTE_HOST_DEVICE constexpr
void
fma(complex<T> const& a,
complex<T> const& b,
complex<T> & c)
{
return fma(c, a, b, c);
}
} // end namespace cute
|