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| author | Jiyong <jiyong.min@samsung.com> | 2023-12-26 17:33:03 +0900 |
|---|---|---|
| committer | Jiyong <jiyong.min@samsung.com> | 2023-12-27 08:25:11 +0900 |
| commit | a6d06c38e46e552195648836052eb909925fe5ff (patch) | |
| tree | 5b34f3947c8331dc618a5166974e4d9757f8e782 /lib/jxl/enc_linalg.h | |
| parent | f3e519be675ef7922a6c1c3a682232302b55496d (diff) | |
| parent | 3b773d382e34fcfc7c8995d8bd681a6ef0529b02 (diff) | |
| download | libjxl-accepted/tizen_unified_riscv.tar.gz libjxl-accepted/tizen_unified_riscv.tar.bz2 libjxl-accepted/tizen_unified_riscv.zip | |
Merge branch 'upstream' into tizenaccepted/tizen/unified/riscv/20240103.054630accepted/tizen/unified/20231228.165749accepted/tizen_unified_riscv
Change-Id: I13b4d2c94ada4853484630800e2a8a5ae90d34c1
Diffstat (limited to 'lib/jxl/enc_linalg.h')
| -rw-r--r-- | lib/jxl/enc_linalg.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/jxl/enc_linalg.h b/lib/jxl/enc_linalg.h new file mode 100644 index 0000000..791770d --- /dev/null +++ b/lib/jxl/enc_linalg.h @@ -0,0 +1,24 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#ifndef LIB_JXL_LINALG_H_ +#define LIB_JXL_LINALG_H_ + +// Linear algebra. + +#include "lib/jxl/base/compiler_specific.h" +#include "lib/jxl/image.h" + +namespace jxl { + +using ImageD = Plane<double>; + +// A is symmetric, U is orthogonal, and A = U * Diagonal(diag) * Transpose(U). +void ConvertToDiagonal(const ImageD& A, ImageD* JXL_RESTRICT diag, + ImageD* JXL_RESTRICT U); + +} // namespace jxl + +#endif // LIB_JXL_LINALG_H_ |