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