/usr/include/atlas/atlas_ssyr2_L1.h is in libatlas-dev 3.10.2-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* This file generated on line 445 of /tmp/buildd/atlas-3.10.2/build/atlas-base/../..//tune/blas/ger/r2hgen.c
*/
#ifndef ATLAS_SSYR2_L1_H
#define ATLAS_SSYR2_L1_H
#include "atlas_sr2_L1.h"
#define ATL_s2U_NU 4
#define ATL_s2L_NU 4
#define ATL_MIN_RESTRICTED_M 1
#define ATL_URGERK ATL_sger2k__900003
static void ATL_GENGERK(ATL_CINT M, ATL_CINT N, const TYPE *X,
const TYPE *Y, const TYPE *W, const TYPE *Z,
TYPE *A, ATL_CINT lda)
{
int nu, minM, minN, i, FNU, aX, aX2A, aY, aW, aZ;
ATL_INT CEL;
ATL_r2kern_t gerk;
gerk = ATL_GetR2Kern(M, N, A, lda, &i, &nu, &minM, &minN,
&aX, &aX2A, &aY, &FNU, &CEL);
if (aX2A)
{
aX = ((size_t)A) % ATL_Cachelen == ((size_t)X) % ATL_Cachelen;
aW = ((size_t)A) % ATL_Cachelen == ((size_t)W) % ATL_Cachelen;
} else
{
aW = (aX) ? (((size_t)W)/aX)*aX == (size_t)W : 1;
aX = (aX) ? (((size_t)X)/aX)*aX == (size_t)X : 1;
}
aZ = (aY) ? (((size_t)Z)/aY)*aY == (size_t)Z : 1;
aY = (aY) ? (((size_t)Y)/aY)*aY == (size_t)Y : 1;
if (M >= minM && N >= minN && aX && aY && aW && aZ)
{
if (FNU)
{
ATL_CINT n = (N/nu)*nu, nr=N-n;
gerk(M, n, X, Y, W, Z, A, lda);
if (nr)
ATL_sger2k_Nlt8(M, nr, ATL_rone, X, 1, Y+n, 1, ATL_rone, W, 1, Z+n, 1, A+n*lda, lda);
} /* end if (FNU) */
else
gerk(M, N, X, Y, W, Z, A, lda);
} /* end if can call optimized kernel */
else
ATL_sger2k_Mlt16(M, N, ATL_rone, X, 1, Y, 1, ATL_rone, W, 1, Z, 1, A, lda);
}
#define ATL_SYR2U_nu(A_, lda_, x_, y_) \
{ \
TYPE *aa=(A_); \
ATL_CINT lda0_ = 0, lda1_ = lda0_+(lda_), lda2_ = lda1_+(lda_), lda3_ = lda2_+(lda_); \
const TYPE x0_=*(x_), x1_=(x_)[1], x2_=(x_)[2], x3_=(x_)[3]; \
const TYPE y0_=*(y_), y1_=(y_)[1], y2_=(y_)[2], y3_=(y_)[3]; \
aa[lda0_+0] += x0_*y0_ + y0_*x0_; \
aa[lda1_+0] += x0_*y1_ + y0_*x1_; \
aa[lda1_+1] += x1_*y1_ + y1_*x1_; \
aa[lda2_+0] += x0_*y2_ + y0_*x2_; \
aa[lda2_+1] += x1_*y2_ + y1_*x2_; \
aa[lda2_+2] += x2_*y2_ + y2_*x2_; \
aa[lda3_+0] += x0_*y3_ + y0_*x3_; \
aa[lda3_+1] += x1_*y3_ + y1_*x3_; \
aa[lda3_+2] += x2_*y3_ + y2_*x3_; \
aa[lda3_+3] += x3_*y3_ + y3_*x3_; \
}
#define ATL_SYR2L_nu(A_, lda_, x_, y_) \
{ \
TYPE *aa=(A_); \
ATL_CINT lda0_ = 0, lda1_ = lda0_+(lda_), lda2_ = lda1_+(lda_), lda3_ = lda2_+(lda_); \
const TYPE x0_=*(x_), x1_=(x_)[1], x2_=(x_)[2], x3_=(x_)[3]; \
const TYPE y0_=*(y_), y1_=(y_)[1], y2_=(y_)[2], y3_=(y_)[3]; \
aa[lda0_+0] += x0_*y0_ + y0_*x0_; \
aa[lda0_+1] += x1_*y0_ + y1_*x0_; \
aa[lda0_+2] += x2_*y0_ + y2_*x0_; \
aa[lda0_+3] += x3_*y0_ + y3_*x0_; \
aa[lda1_+1] += x1_*y1_ + y1_*x1_; \
aa[lda1_+2] += x2_*y1_ + y2_*x1_; \
aa[lda1_+3] += x3_*y1_ + y3_*x1_; \
aa[lda2_+2] += x2_*y2_ + y2_*x2_; \
aa[lda2_+3] += x3_*y2_ + y3_*x2_; \
aa[lda3_+3] += x3_*y3_ + y3_*x3_; \
}
#endif
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