97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include "PHY/defs_common.h"
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#include "tools_defs.h"
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int32_t sub_cpx_vector16(int16_t *x,
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int16_t *y,
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int16_t *z,
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uint32_t N)
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{
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unsigned int i; // loop counter
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simde__m128i *x_128;
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simde__m128i *y_128;
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simde__m128i *z_128;
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x_128 = (simde__m128i *)&x[0];
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y_128 = (simde__m128i *)&y[0];
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z_128 = (simde__m128i *)&z[0];
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for(i=0; i<(N>>3); i++) {
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z_128[0] = simde_mm_subs_epi16(x_128[0],y_128[0]);
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x_128++;
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y_128++;
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z_128++;
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}
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return(0);
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}
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#ifdef MAIN
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#include <stdio.h>
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main ()
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{
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short input[256] __attribute__((aligned(16)));
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short output[256] __attribute__((aligned(16)));
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int i;
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c16_t alpha;
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memset(output,0,256*2);
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input[0] = 100;
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input[1] = 200;
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input[2] = 100;
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input[3] = 200;
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input[4] = 1234;
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input[5] = -1234;
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input[6] = 1234;
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input[7] = -1234;
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input[8] = 100;
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input[9] = 200;
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input[10] = 100;
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input[11] = 200;
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input[12] = 1000;
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input[13] = 2000;
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input[14] = 1000;
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input[15] = 2000;
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alpha.r = 10;
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alpha.i = -10;
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add_cpx_vector(input,(short*) &alpha,input,8);
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for (i=0; i<16; i+=2)
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printf("output[%d] = %d + %d i\n",i,input[i],input[i+1]);
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}
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#endif //MAIN
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