This file is indexed.

/usr/include/fflas-ffpack/fflas/fflas_freduce.h is in fflas-ffpack-common 2.2.2-4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
// vim:sts=4:sw=4:ts=4:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s

/* fflas/fflas_freduce.inl
 * Copyright (C) 2014 FFLAS FFPACK group
 *
 * Written by  Brice Boyer (briceboyer) <boyer.brice@gmail.com>
 *
 *
 * ========LICENCE========
 * This file is part of the library FFLAS-FFPACK.
 *
 * FFLAS-FFPACK is free software: you can redistribute it and/or modify
 * it under the terms of the  GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * ========LICENCE========
 *.
 */

#ifndef __FFLASFFPACK_fflas_freduce_H
#define __FFLASFFPACK_fflas_freduce_H

#include "fflas-ffpack/fflas/fflas_simd.h"
#include "fflas-ffpack/field/field-traits.h"
#include "fflas-ffpack/utils/cast.h"

namespace FFLAS {

	template<class T>
	struct support_simd_mod  : public std::false_type {} ;

#ifdef __FFLASFFPACK_HAVE_SSE4_1_INSTRUCTIONS
	template<>
	struct support_simd_mod<float> : public std::true_type {} ;
	template<>
	struct support_simd_mod<double> : public std::true_type {} ;
#ifdef SIMD_INT
	template<>
	struct support_simd_mod<int64_t> : public std::true_type {} ;
#endif  // SIMD_INT

#endif // __FFLASFFPACK_HAVE_SSE4_1_INSTRUCTIONS

} // FFLAS

#include "fflas-ffpack/fflas/fflas_freduce.inl"

namespace FFLAS {

	/***************************/
	/*         LEVEL 1         */
	/***************************/

	template<class Field>
	void
	freduce (const Field & F, const size_t m,
		 typename Field::ConstElement_ptr  B, const size_t incY,
		 typename Field::Element_ptr A, const size_t incX)
	{
		return details::freduce (F,m,B,incY,A,incX,typename FieldTraits<Field>::category());
	}

	template<class Field>
	void
	freduce (const Field & F, const size_t m,
		 typename Field::Element_ptr A, const size_t incX)
	{
		return details::freduce (F,m,A,incX,typename FieldTraits<Field>::category());
	}

	template<class Field>
	void
	freduce_constoverride(const Field & F, const size_t m,
			      typename Field::ConstElement_ptr A, const size_t incX)
	{
		return freduce(F, m, FFPACK::fflas_const_cast<typename Field::Element_ptr>(A), incX);
	}

	// OOOPS
        // CP: to be moved to a fflas_finit field, if ever needed
	template<class Field, class ConstOtherElement_ptr>
	void
	finit (const Field& F, const size_t n,
	       ConstOtherElement_ptr Y, const size_t incY,
	       typename Field::Element_ptr X, const size_t incX)
	{
		typename Field::Element_ptr Xi = X ;
		ConstOtherElement_ptr Yi = Y ;

		if (incX == 1 && incY == 1)
			for (; Yi < Y + n ; ++Xi, ++Yi)
				F.init( *Xi , *Yi);
		else
			for (; Yi < Y+n*incY; Xi+=incX, Yi += incY )
				F.init( *Xi , *Yi);
	}


	/***************************/
	/*         LEVEL 2         */
	/***************************/


	template<class Field>
	void
	freduce (const Field& F, const size_t m , const size_t n,
		 typename Field::Element_ptr A, const size_t lda)
	{
		if (n == lda)
			freduce (F, n*m, A, 1);
		else
			for (size_t i = 0 ; i < m ; ++i)
				freduce (F, n, A+i*lda, 1);
		return;
	}
	template<class Field>
	void
	pfreduce (const Field& F, const size_t m , const size_t n,
		  typename Field::Element_ptr A, const size_t lda, const size_t numths)
	{
		SYNCH_GROUP(
			FORBLOCK1D(iter, m, SPLITTER(numths),
					   size_t rowsize= iter.end()-iter.begin();
					   TASK(MODE(CONSTREFERENCE(F) READWRITE(A[iter.begin()*lda])),
							freduce (F, rowsize, n, A+iter.begin()*lda, lda);
							);
					   );
					);
		return;
	}

	template<class Field>
	void
	freduce (const Field& F, const size_t m , const size_t n,
		 typename Field::ConstElement_ptr B, const size_t ldb,
		 typename Field::Element_ptr A, const size_t lda)
	{
		for (size_t i = 0 ; i < m ; ++i) {
			freduce(F,n,B+i*ldb,1,A+i*lda,1);
		}
	}


	template<class Field>
	void
	freduce_constoverride(const Field & F, const size_t m, const size_t n,
			      typename Field::ConstElement_ptr A, const size_t lda)
	{
		return freduce(F, m, n,
			       FFPACK::fflas_const_cast<typename Field::Element_ptr>(A), lda);
	}

        // CP: to be moved to a fflas_finit field, if ever needed
	template<class Field, class OtherElement_ptr>
	void
	finit (const Field& F, const size_t m , const size_t n,
	       const OtherElement_ptr B, const size_t ldb,
	       typename Field::Element_ptr A, const size_t lda)
	{
		if (n == lda && n == ldb)
			finit (F, n*m, B, 1, A, 1);
		else
			for (size_t i = 0 ; i < m ; ++i)
				finit (F, n, B + i*ldb, 1, A + i*lda, 1);
		return;
	}

} // end of namespace FFLAS

//#include "fflas_freduce_mp.inl" moved to fflas.h

#endif // __FFLASFFPACK_fflas_freduce_H