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Added SCE SIMD math library in Extras/simdmathlibrary

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The upcoming vectormath that will used to speed up the SPU version of Extras/BulletMultiThreaded depends on this.
This commit is contained in:
ejcoumans
2007-07-23 04:58:24 +00:00
parent 685138d033
commit 7529cdb3f6
287 changed files with 32064 additions and 0 deletions
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100
Extras/simdmathlibrary/ppu/tests/testutils.h Normal file
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/* Header file for common parts of the testsuite
Copyright (C) 2006, 2007 Sony Computer Entertainment Inc.
All rights reserved.
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 Sony Computer Entertainment Inc 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 OWNER 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.
*/
/* FIXME: Don't use altivec style initializers. */
#ifndef _TESTUTILS_H_
#include "floatingpoint_tests.h"
extern unsigned int hide_uint( unsigned int x );
extern int hide_int( int x );
extern float hide_float( float x );
extern float make_float( unsigned int x );
inline vec_int4 vec_splat_int( int x )
{
return (vec_int4){x, x, x, x};
}
inline vec_float4 vec_splat_float( float x )
{
return (vec_float4){x, x, x, x};
}
inline vec_uint4 bitDiff_f4(vec_float4 ref, vec_float4 vals) {
vec_int4 refi = (vec_int4)ref;
vec_int4 valsi = (vec_int4)vals;
vec_int4 diff = vec_sub( refi, valsi );
vec_int4 negdiff = vec_sub( vec_splat_int(0), diff );
vec_uint4 lz;
diff = vec_sel( negdiff, diff, vec_cmpgt( diff, vec_splat_int(0) ) );
lz = vec_sub( (vec_uint4)vec_splat_int(158), vec_sr( (vec_uint4)vec_ctf( diff, 0 ), (vec_uint4)vec_splat_int(23) ) );
lz = vec_sel( lz, (vec_uint4)vec_splat_int(32), vec_cmpeq( diff, vec_splat_int(0) ) );
return vec_sub( (vec_uint4)vec_splat_int(32), lz );
}
inline vec_uint4 ulpDiff_f4(vec_float4 ref, vec_float4 vals) {
vec_int4 refi = (vec_int4)ref;
vec_int4 valsi = (vec_int4)vals;
vec_int4 diff = vec_sub( refi, valsi );
vec_int4 negdiff = vec_sub( vec_splat_int(0), diff );
return (vec_uint4)( vec_sel( negdiff, diff, vec_cmpgt( diff, vec_splat_int(0) ) ) );
}
inline int allequal_int4( vec_int4 x, vec_int4 y )
{
return ( vec_all_eq( x, y ) );
}
inline int allequal_float4( vec_float4 x, vec_float4 y )
{
return ( vec_all_eq( x, y ) );
}
inline int allequal_ulps_float4( vec_float4 x, vec_float4 y, int tolerance )
{
vec_uint4 vtol = (vec_uint4)vec_splat_int( tolerance );
vec_uint4 ulps = ulpDiff_f4( x, y );
return vec_all_le( ulps, vtol );
}
inline int allequal_bits_float4( vec_float4 x, vec_float4 y, int tolerance )
{
vec_uint4 vtol = (vec_uint4)vec_splat_int( tolerance );
vec_uint4 bits = bitDiff_f4( x, y );
return vec_all_le( bits, vtol );
}
#endif