/usr/include/atlas/atlas_cher2_L1.h is in libatlas-dev 3.10.2-9.
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 /build/atlas-O4mcM_/atlas-3.10.2/build/atlas-base/../..//tune/blas/ger/r2hgen.c
*/
#ifndef ATLAS_CSYR2_L1_H
#define ATLAS_CSYR2_L1_H
#include "atlas_cr2_L1.h"
#define ATL_s2U_NU 2
#define ATL_s2L_NU 2
#define ATL_MIN_RESTRICTED_M 1
#define ATL_URGERK ATL_cger2k__900001
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;
const TYPE one[2] = {ATL_rone, ATL_rzero};
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_cger2k_Nlt8(M, nr, one, X, 1, Y+(n+n), 1, one, W, 1, Z+(n+n), 1, A+(n+n)*lda, lda);
} /* end if (FNU) */
else
gerk(M, N, X, Y, W, Z, A, lda);
} /* end if can call optimized kernel */
else
ATL_cger2k_Mlt16(M, N, one, X, 1, Y, 1, one, W, 1, Z, 1, A, lda);
}
#define ATL_HER2U_nu(A_, lda_, x_, y_, xt_, yt_) \
{ \
TYPE *aa=(A_); \
ATL_CINT lda0_ = 0, lda1_ = lda0_+(lda_)+(lda_); \
const TYPE x0r=*(x_), x0i=(x_)[1], x1r=(x_)[2], x1i=(x_)[3]; \
const TYPE xt0r=*(xt_), xt0i=(xt_)[1], xt1r=(xt_)[2], xt1i=(xt_)[3]; \
const TYPE y0r=*(y_), y0i=(y_)[1], y1r=(y_)[2], y1i=(y_)[3]; \
const TYPE yt0r=*(yt_), yt0i=(yt_)[1], yt1r=(yt_)[2], yt1i=(yt_)[3]; \
aa[lda0_+0] += x0r*yt0r-x0i*yt0i + y0r*xt0r-y0i*xt0i; \
aa[lda0_+1] = 0.0; \
aa[lda1_+0] += x0r*yt1r-x0i*yt1i + y0r*xt1r-y0i*xt1i; \
aa[lda1_+1] += x0r*yt1i+x0i*yt1r + y0r*xt1i+y0i*xt1r; \
aa[lda1_+2] += x1r*yt1r-x1i*yt1i + y1r*xt1r-y1i*xt1i; \
aa[lda1_+3] = 0.0; \
}
#define ATL_HER2L_nu(A_, lda_, x_, y_, xt_, yt_) \
{ \
TYPE *aa=(A_); \
ATL_CINT lda0_ = 0, lda1_ = lda0_+(lda_)+(lda_); \
const TYPE x0r=*(x_), x0i=(x_)[1], x1r=(x_)[2], x1i=(x_)[3]; \
const TYPE xt0r=*(xt_), xt0i=(xt_)[1], xt1r=(xt_)[2], xt1i=(xt_)[3]; \
const TYPE y0r=*(y_), y0i=(y_)[1], y1r=(y_)[2], y1i=(y_)[3]; \
const TYPE yt0r=*(yt_), yt0i=(yt_)[1], yt1r=(yt_)[2], yt1i=(yt_)[3]; \
aa[lda0_+0] += x0r*yt0r-x0i*yt0i + y0r*xt0r-y0i*xt0i; \
aa[lda0_+1] = 0.0; \
aa[lda0_+2] += x1r*yt0r-x1i*yt0i + y1r*xt0r-y1i*xt0i; \
aa[lda0_+3] += x1r*yt0i+x1i*yt0r + y1r*xt0i+y1i*xt0r; \
aa[lda1_+2] += x1r*yt1r-x1i*yt1i + y1r*xt1r-y1i*xt1i; \
aa[lda1_+3] = 0.0; \
}
#endif
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