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f381c9a440
* Revert "restore bli_extern_defs exporting for now" This reverts commit 09fb07c350b2acee17645e8e9e1b8d829c73dca8. * Remove symbols not intended to be public * No need of def file anymore * Fix whitespace * No need of configure option * Remove export macro from definitions * Remove blas export macro from definitions
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/*
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BLIS
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An object-based framework for developing high-performance BLAS-like
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libraries.
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Copyright (C) 2014, The University of Texas at Austin
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name(s) of the copyright holder(s) nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "blis.h"
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#define FUNCPTR_T machval_fp
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typedef void (*FUNCPTR_T)(
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machval_t mval,
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void* v
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);
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static FUNCPTR_T GENARRAY(ftypes,machval);
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//
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// Define object-based interface.
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//
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void bli_machval( machval_t mval,
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obj_t* v )
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{
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num_t dt_v = bli_obj_dt( v );
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void* buf_v = bli_obj_buffer_at_off( v );
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FUNCPTR_T f;
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// Index into the function pointer array.
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f = ftypes[dt_v];
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// Invoke the function.
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f( mval,
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buf_v );
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}
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//
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// Define BLAS-like interfaces.
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//
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#undef GENTFUNCR
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#define GENTFUNCR( ctype_v, ctype_vr, chv, chvr, opname, varname ) \
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\
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void PASTEMAC(chv,opname) \
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( \
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machval_t mval, \
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void* v \
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) \
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{ \
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static ctype_vr pvals[ BLIS_NUM_MACH_PARAMS ]; \
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\
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static bool first_time = TRUE; \
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\
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dim_t val_i = mval - BLIS_MACH_PARAM_FIRST; \
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ctype_v* v_cast = v; \
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\
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/* If this is the first time through, call the underlying
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code to discover each machine parameter. */ \
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if ( first_time ) \
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{ \
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char lapack_mval; \
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dim_t m, i; \
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\
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for( i = 0, m = BLIS_MACH_PARAM_FIRST; \
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i < BLIS_NUM_MACH_PARAMS - 1; \
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++i, ++m ) \
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{ \
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bli_param_map_blis_to_netlib_machval( m, &lapack_mval ); \
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\
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/*printf( "bli_machval: querying %u %c\n", m, lapack_mval );*/ \
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\
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pvals[i] = PASTEMAC(chvr,varname)( &lapack_mval, 1 ); \
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\
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/*printf( "bli_machval: got back %34.29e\n", pvals[i] ); */ \
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} \
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\
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/* Store epsilon^2 in the last element. */ \
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pvals[i] = pvals[0] * pvals[0]; \
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\
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first_time = FALSE; \
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} \
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\
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/* Copy the requested parameter value to the output buffer, which
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may involve a demotion from the complex to real domain. */ \
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PASTEMAC2(chvr,chv,copys)( pvals[ val_i ], *v_cast ); \
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}
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INSERT_GENTFUNCR_BASIC( machval, lamch )
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