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41 lines
841 B
41 lines
841 B
/* Compute the sum of the squares of a vector of signed shorts
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* Copyright 2004 Phil Karn, KA9Q
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* May be used under the terms of the GNU Lesser General Public License (LGPL)
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*/
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#include <stdlib.h>
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#include "fec.h"
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unsigned long long sumsq_port(signed short *,int);
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#ifdef __i386__
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unsigned long long sumsq_mmx(signed short *,int);
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unsigned long long sumsq_sse(signed short *,int);
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unsigned long long sumsq_sse2(signed short *,int);
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#endif
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#ifdef __VEC__
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unsigned long long sumsq_av(signed short *,int);
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#endif
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unsigned long long sumsq(signed short *in,int cnt){
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switch(Cpu_mode){
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case PORT:
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default:
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return sumsq_port(in,cnt);
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#ifdef __i386__
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case SSE:
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case MMX:
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return sumsq_mmx(in,cnt);
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case SSE2:
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return sumsq_sse2(in,cnt);
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#endif
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#ifdef __VEC__
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case ALTIVEC:
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return sumsq_av(in,cnt);
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#endif
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}
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}
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