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lapack_function.cc
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// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "paddle/phi/kernels/funcs/lapack/lapack_function.h"
#include "paddle/phi/backends/dynload/lapack.h"
#include "paddle/phi/common/complex.h"
namespace phi {
namespace funcs {
// LU (for example)
template <>
void lapackLu<double>(int m, int n, double *a, int lda, int *ipiv, int *info) {
dynload::dgetrf_(&m, &n, a, &lda, ipiv, info);
}
template <>
void lapackLu<float>(int m, int n, float *a, int lda, int *ipiv, int *info) {
dynload::sgetrf_(&m, &n, a, &lda, ipiv, info);
}
// eigh
template <>
void lapackEigh<float>(char jobz,
char uplo,
int n,
float *a,
int lda,
float *w,
float *work,
int lwork,
float *rwork,
int lrwork,
int *iwork,
int liwork,
int *info) {
(void)rwork; // unused
(void)lrwork; // unused
dynload::ssyevd_(
&jobz, &uplo, &n, a, &lda, w, work, &lwork, iwork, &liwork, info);
}
template <>
void lapackEigh<double>(char jobz,
char uplo,
int n,
double *a,
int lda,
double *w,
double *work,
int lwork,
double *rwork,
int lrwork,
int *iwork,
int liwork,
int *info) {
(void)rwork; // unused
(void)lrwork; // unused
dynload::dsyevd_(
&jobz, &uplo, &n, a, &lda, w, work, &lwork, iwork, &liwork, info);
}
template <>
void lapackEigh<phi::dtype::complex<float>, float>(
char jobz,
char uplo,
int n,
phi::dtype::complex<float> *a,
int lda,
float *w,
phi::dtype::complex<float> *work,
int lwork,
float *rwork,
int lrwork,
int *iwork,
int liwork,
int *info) {
dynload::cheevd_(&jobz,
&uplo,
&n,
reinterpret_cast<std::complex<float> *>(a),
&lda,
w,
reinterpret_cast<std::complex<float> *>(work),
&lwork,
rwork,
&lrwork,
iwork,
&liwork,
info);
}
template <>
void lapackEigh<phi::dtype::complex<double>, double>(
char jobz,
char uplo,
int n,
phi::dtype::complex<double> *a,
int lda,
double *w,
phi::dtype::complex<double> *work,
int lwork,
double *rwork,
int lrwork,
int *iwork,
int liwork,
int *info) {
dynload::zheevd_(&jobz,
&uplo,
&n,
reinterpret_cast<std::complex<double> *>(a),
&lda,
w,
reinterpret_cast<std::complex<double> *>(work),
&lwork,
rwork,
&lrwork,
iwork,
&liwork,
info);
}
// Eig
template <>
void lapackEig<double>(char jobvl,
char jobvr,
int n,
double *a,
int lda,
double *w,
double *vl,
int ldvl,
double *vr,
int ldvr,
double *work,
int lwork,
double *rwork,
int *info) {
double *wr = w;
double *wi = w + n;
(void)rwork; // unused
dynload::dgeev_(&jobvl,
&jobvr,
&n,
a,
&lda,
wr,
wi,
vl,
&ldvl,
vr,
&ldvr,
work,
&lwork,
info);
}
template <>
void lapackEig<float>(char jobvl,
char jobvr,
int n,
float *a,
int lda,
float *w,
float *vl,
int ldvl,
float *vr,
int ldvr,
float *work,
int lwork,
float *rwork,
int *info) {
float *wr = w;
float *wi = w + n;
(void)rwork; // unused
dynload::sgeev_(&jobvl,
&jobvr,
&n,
a,
&lda,
wr,
wi,
vl,
&ldvl,
vr,
&ldvr,
work,
&lwork,
info);
}
template <>
void lapackEig<phi::dtype::complex<double>, double>(
char jobvl,
char jobvr,
int n,
phi::dtype::complex<double> *a,
int lda,
phi::dtype::complex<double> *w,
phi::dtype::complex<double> *vl,
int ldvl,
phi::dtype::complex<double> *vr,
int ldvr,
phi::dtype::complex<double> *work,
int lwork,
double *rwork,
int *info) {
dynload::zgeev_(&jobvl,
&jobvr,
&n,
reinterpret_cast<std::complex<double> *>(a),
&lda,
reinterpret_cast<std::complex<double> *>(w),
reinterpret_cast<std::complex<double> *>(vl),
&ldvl,
reinterpret_cast<std::complex<double> *>(vr),
&ldvr,
reinterpret_cast<std::complex<double> *>(work),
&lwork,
rwork,
info);
}
template <>
void lapackEig<phi::dtype::complex<float>, float>(
char jobvl,
char jobvr,
int n,
phi::dtype::complex<float> *a,
int lda,
phi::dtype::complex<float> *w,
phi::dtype::complex<float> *vl,
int ldvl,
phi::dtype::complex<float> *vr,
int ldvr,
phi::dtype::complex<float> *work,
int lwork,
float *rwork,
int *info) {
dynload::cgeev_(&jobvl,
&jobvr,
&n,
reinterpret_cast<std::complex<float> *>(a),
&lda,
reinterpret_cast<std::complex<float> *>(w),
reinterpret_cast<std::complex<float> *>(vl),
&ldvl,
reinterpret_cast<std::complex<float> *>(vr),
&ldvr,
reinterpret_cast<std::complex<float> *>(work),
&lwork,
rwork,
info);
}
template <>
void lapackGels<double>(char trans,
int m,
int n,
int nrhs,
double *a,
int lda,
double *b,
int ldb,
double *work,
int lwork,
int *info) {
dynload::dgels_(&trans, &m, &n, &nrhs, a, &lda, b, &ldb, work, &lwork, info);
}
template <>
void lapackGels<float>(char trans,
int m,
int n,
int nrhs,
float *a,
int lda,
float *b,
int ldb,
float *work,
int lwork,
int *info) {
dynload::sgels_(&trans, &m, &n, &nrhs, a, &lda, b, &ldb, work, &lwork, info);
}
template <>
void lapackGelsd<double>(int m,
int n,
int nrhs,
double *a,
int lda,
double *b,
int ldb,
double *s,
double rcond,
int *rank,
double *work,
int lwork,
double *rwork,
int *iwork,
int *info) {
dynload::dgelsd_(&m,
&n,
&nrhs,
a,
&lda,
b,
&ldb,
s,
&rcond,
rank,
work,
&lwork,
iwork,
info);
}
template <>
void lapackGelsd<float>(int m,
int n,
int nrhs,
float *a,
int lda,
float *b,
int ldb,
float *s,
float rcond,
int *rank,
float *work,
int lwork,
float *rwork,
int *iwork,
int *info) {
dynload::sgelsd_(&m,
&n,
&nrhs,
a,
&lda,
b,
&ldb,
s,
&rcond,
rank,
work,
&lwork,
iwork,
info);
}
template <>
void lapackGelsy<double>(int m,
int n,
int nrhs,
double *a,
int lda,
double *b,
int ldb,
int *jpvt,
double rcond,
int *rank,
double *work,
int lwork,
double *rwork,
int *info) {
dynload::dgelsy_(
&m, &n, &nrhs, a, &lda, b, &ldb, jpvt, &rcond, rank, work, &lwork, info);
}
template <>
void lapackGelsy<float>(int m,
int n,
int nrhs,
float *a,
int lda,
float *b,
int ldb,
int *jpvt,
float rcond,
int *rank,
float *work,
int lwork,
float *rwork,
int *info) {
dynload::sgelsy_(
&m, &n, &nrhs, a, &lda, b, &ldb, jpvt, &rcond, rank, work, &lwork, info);
}
template <>
void lapackGelss<double>(int m,
int n,
int nrhs,
double *a,
int lda,
double *b,
int ldb,
double *s,
double rcond,
int *rank,
double *work,
int lwork,
double *rwork,
int *info) {
dynload::dgelss_(
&m, &n, &nrhs, a, &lda, b, &ldb, s, &rcond, rank, work, &lwork, info);
}
template <>
void lapackGelss<float>(int m,
int n,
int nrhs,
float *a,
int lda,
float *b,
int ldb,
float *s,
float rcond,
int *rank,
float *work,
int lwork,
float *rwork,
int *info) {
dynload::sgelss_(
&m, &n, &nrhs, a, &lda, b, &ldb, s, &rcond, rank, work, &lwork, info);
}
template <>
void lapackCholeskySolve<phi::dtype::complex<double>>(
char uplo,
int n,
int nrhs,
phi::dtype::complex<double> *a,
int lda,
phi::dtype::complex<double> *b,
int ldb,
int *info) {
dynload::zpotrs_(&uplo,
&n,
&nrhs,
reinterpret_cast<std::complex<double> *>(a),
&lda,
reinterpret_cast<std::complex<double> *>(b),
&ldb,
info);
}
template <>
void lapackCholeskySolve<phi::dtype::complex<float>>(
char uplo,
int n,
int nrhs,
phi::dtype::complex<float> *a,
int lda,
phi::dtype::complex<float> *b,
int ldb,
int *info) {
dynload::cpotrs_(&uplo,
&n,
&nrhs,
reinterpret_cast<std::complex<float> *>(a),
&lda,
reinterpret_cast<std::complex<float> *>(b),
&ldb,
info);
}
template <>
void lapackCholeskySolve<double>(char uplo,
int n,
int nrhs,
double *a,
int lda,
double *b,
int ldb,
int *info) {
dynload::dpotrs_(&uplo, &n, &nrhs, a, &lda, b, &ldb, info);
}
template <>
void lapackCholeskySolve<float>(char uplo,
int n,
int nrhs,
float *a,
int lda,
float *b,
int ldb,
int *info) {
dynload::spotrs_(&uplo, &n, &nrhs, a, &lda, b, &ldb, info);
}
template <>
void lapackSvd<double>(char jobz,
int m,
int n,
double *a,
int lda,
double *s,
double *u,
int ldu,
double *vt,
int ldvt,
double *work,
int lwork,
int *iwork,
int *info) {
dynload::dgesdd_(
&jobz, &m, &n, a, &lda, s, u, &ldu, vt, &ldvt, work, &lwork, iwork, info);
}
template <>
void lapackSvd<float>(char jobz,
int m,
int n,
float *a,
int lda,
float *s,
float *u,
int ldu,
float *vt,
int ldvt,
float *work,
int lwork,
int *iwork,
int *info) {
dynload::sgesdd_(
&jobz, &m, &n, a, &lda, s, u, &ldu, vt, &ldvt, work, &lwork, iwork, info);
}
} // namespace funcs
} // namespace phi