]> Gitweb @ Texas Instruments - Open Source Git Repositories - git.TI.com/gitweb - dense-linear-algebra-libraries/linalg.git/blobdiff - src/ti/linalg/blis/frame/2/ger/bli_ger_unb_var2.c
Sync with external git. Should be the other way around.
[dense-linear-algebra-libraries/linalg.git] / src / ti / linalg / blis / frame / 2 / ger / bli_ger_unb_var2.c
diff --git a/src/ti/linalg/blis/frame/2/ger/bli_ger_unb_var2.c b/src/ti/linalg/blis/frame/2/ger/bli_ger_unb_var2.c
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+/*
+
+   BLIS    
+   An object-based framework for developing high-performance BLAS-like
+   libraries.
+
+   Copyright (C) 2014, The University of Texas at Austin
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+    - Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    - Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    - Neither the name of The University of Texas at Austin nor the names
+      of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include "blis.h"
+
+#define FUNCPTR_T ger_fp
+
+typedef void (*FUNCPTR_T)(
+                           conj_t  conjx,
+                           conj_t  conjy,
+                           dim_t   m,
+                           dim_t   n,
+                           void*   alpha,
+                           void*   x, inc_t incx,
+                           void*   y, inc_t incy,
+                           void*   a, inc_t rs_a, inc_t cs_a
+                         );
+
+// If some mixed datatype functions will not be compiled, we initialize
+// the corresponding elements of the function array to NULL.
+#ifdef BLIS_ENABLE_MIXED_PRECISION_SUPPORT
+static FUNCPTR_T GENARRAY3_ALL(ftypes,ger_unb_var2);
+#else
+#ifdef BLIS_ENABLE_MIXED_DOMAIN_SUPPORT
+static FUNCPTR_T GENARRAY3_EXT(ftypes,ger_unb_var2);
+#else
+static FUNCPTR_T GENARRAY3_MIN(ftypes,ger_unb_var2);
+#endif
+#endif
+
+
+void bli_ger_unb_var2( obj_t*  alpha,
+                       obj_t*  x,
+                       obj_t*  y,
+                       obj_t*  a,
+                       ger_t*  cntl )
+{
+       num_t     dt_x      = bli_obj_datatype( *x );
+       num_t     dt_y      = bli_obj_datatype( *y );
+       num_t     dt_a      = bli_obj_datatype( *a );
+
+       conj_t    conjx     = bli_obj_conj_status( *x );
+       conj_t    conjy     = bli_obj_conj_status( *y );
+
+       dim_t     m         = bli_obj_length( *a );
+       dim_t     n         = bli_obj_width( *a );
+
+       void*     buf_x     = bli_obj_buffer_at_off( *x );
+       inc_t     incx      = bli_obj_vector_inc( *x );
+
+       void*     buf_y     = bli_obj_buffer_at_off( *y );
+       inc_t     incy      = bli_obj_vector_inc( *y );
+
+       void*     buf_a     = bli_obj_buffer_at_off( *a );
+       inc_t     rs_a      = bli_obj_row_stride( *a );
+       inc_t     cs_a      = bli_obj_col_stride( *a );
+
+       num_t     dt_alpha;
+       void*     buf_alpha;
+
+       FUNCPTR_T f;
+
+       // The datatype of alpha MUST be the type union of x and y. This is to
+       // prevent any unnecessary loss of information during computation.
+       dt_alpha  = bli_datatype_union( dt_x, dt_y );
+       buf_alpha = bli_obj_buffer_for_1x1( dt_alpha, *alpha );
+
+       // Index into the type combination array to extract the correct
+       // function pointer.
+       f = ftypes[dt_x][dt_y][dt_a];
+
+       // Invoke the function.
+       f( conjx,
+          conjy,
+          m,
+          n,
+          buf_alpha,
+          buf_x, incx,
+          buf_y, incy,
+          buf_a, rs_a, cs_a );
+}
+
+
+#undef  GENTFUNC3U12
+#define GENTFUNC3U12( ctype_x, ctype_y, ctype_a, ctype_xy, chx, chy, cha, chxy, varname, kername ) \
+\
+void PASTEMAC3(chx,chy,cha,varname)( \
+                                     conj_t  conjx, \
+                                     conj_t  conjy, \
+                                     dim_t   m, \
+                                     dim_t   n, \
+                                     void*   alpha, \
+                                     void*   x, inc_t incx, \
+                                     void*   y, inc_t incy, \
+                                     void*   a, inc_t rs_a, inc_t cs_a \
+                                   ) \
+{ \
+       ctype_xy* alpha_cast = alpha; \
+       ctype_x*  x_cast     = x; \
+       ctype_y*  y_cast     = y; \
+       ctype_a*  a_cast     = a; \
+       ctype_a*  a1; \
+       ctype_x*  x1; \
+       ctype_y*  psi1; \
+       ctype_xy  alpha_psi1; \
+       dim_t     j; \
+\
+       if ( bli_zero_dim2( m, n ) ) return; \
+\
+       if ( PASTEMAC(chxy,eq0)( *alpha_cast ) ) return; \
+\
+       for ( j = 0; j < n; ++j ) \
+       { \
+               a1   = a_cast + (0  )*rs_a + (j  )*cs_a; \
+               x1   = x_cast + (0  )*incx; \
+               psi1 = y_cast + (j  )*incy; \
+\
+               /* a1 = a1 + alpha * psi1 * x; */ \
+               PASTEMAC2(chy,chxy,copycjs)( conjy, *psi1, alpha_psi1 ); \
+               PASTEMAC2(chxy,chxy,scals)( *alpha_cast, alpha_psi1 ); \
+\
+               PASTEMAC3(chxy,chx,cha,kername)( conjx, \
+                                                m, \
+                                                &alpha_psi1, \
+                                                x1, incx, \
+                                                a1, rs_a ); \
+       } \
+}
+
+// Define the basic set of functions unconditionally, and then also some
+// mixed datatype functions if requested.
+INSERT_GENTFUNC3U12_BASIC( ger_unb_var2, AXPYV_KERNEL )
+
+#ifdef BLIS_ENABLE_MIXED_DOMAIN_SUPPORT
+INSERT_GENTFUNC3U12_MIX_D( ger_unb_var2, AXPYV_KERNEL )
+#endif
+
+#ifdef BLIS_ENABLE_MIXED_PRECISION_SUPPORT
+INSERT_GENTFUNC3U12_MIX_P( ger_unb_var2, AXPYV_KERNEL )
+#endif
+