Raymond Knopp
d24f521a5a
Conflicts: openair1/PHY/INIT/lte_init.c openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c openair1/PHY/LTE_TRANSPORT/dci.c openair1/PHY/LTE_TRANSPORT/dci_tools.c openair1/PHY/LTE_TRANSPORT/dlsch_coding.c openair1/PHY/LTE_TRANSPORT/edci.c openair1/PHY/LTE_TRANSPORT/if4_tools.c openair1/PHY/LTE_TRANSPORT/prach.c openair1/PHY/LTE_TRANSPORT/print_stats.c openair1/PHY/LTE_TRANSPORT/pucch.c openair1/PHY/LTE_TRANSPORT/transport_eNB.h openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c openair1/PHY/LTE_UE_TRANSPORT/transport_proto_ue.h openair1/PHY/impl_defs_lte.h openair1/SCHED/fapi_l1.c openair1/SCHED/phy_procedures_lte_eNb.c openair2/COMMON/rrc_messages_types.h openair2/ENB_APP/enb_config.c openair2/ENB_APP/enb_paramdef.h openair2/LAYER2/MAC/config.c openair2/LAYER2/MAC/defs.h openair2/LAYER2/MAC/eNB_scheduler.c openair2/LAYER2/MAC/eNB_scheduler_RA.c openair2/LAYER2/MAC/eNB_scheduler_bch.c openair2/LAYER2/MAC/eNB_scheduler_dlsch.c openair2/LAYER2/MAC/eNB_scheduler_primitives.c openair2/LAYER2/MAC/eNB_scheduler_ulsch.c openair2/LAYER2/MAC/pre_processor.c openair2/LAYER2/MAC/rar_tools.c openair2/LAYER2/MAC/ue_procedures.c openair2/PHY_INTERFACE/IF_Module.c openair2/RRC/LITE/rrc_common.c openair2/RRC/LTE/L2_interface_ue.c openair2/RRC/LTE/MESSAGES/asn1_msg.c openair2/RRC/LTE/rrc_eNB.c targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp targets/RT/USER/lte-enb.c targets/RT/USER/lte-ru.c
88 lines
2.1 KiB
C
Executable File
88 lines
2.1 KiB
C
Executable File
/*
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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 <time.h>
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#include <stdlib.h>
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unsigned int s0, s1, s2, b;
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//----------------------------------------------
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//
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/*!
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*/
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//
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unsigned int taus(void)
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{
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b = (((s0 << 13) ^ s0) >> 19);
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s0 = (((s0 & 0xFFFFFFFE) << 12)^ b);
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b = (((s1 << 2) ^ s1) >> 25);
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s1 = (((s1 & 0xFFFFFFF8) << 4)^ b);
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b = (((s2 << 3) ^ s2) >> 11);
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s2 = (((s2 & 0xFFFFFFF0) << 17)^ b);
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return s0 ^ s1 ^ s2;
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}
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#if 1
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void set_taus_seed(unsigned int seed_init)
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{
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struct drand48_data buffer;
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unsigned long result = 0;
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if (seed_init == 0) {
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s0 = (unsigned int)time(NULL);
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s1 = (unsigned int)time(NULL);
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s2 = (unsigned int)time(NULL);
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} else {
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/* Use reentrant version of rand48 to ensure that no conflicts with other generators occur */
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srand48_r((long int)seed_init, &buffer);
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mrand48_r(&buffer, (long int *)&result);
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s0 = result;
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mrand48_r(&buffer, (long int *)&result);
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s1 = result;
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mrand48_r(&buffer, (long int *)&result);
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s2 = result;
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}
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}
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#endif
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#ifdef MAIN
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main()
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{
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unsigned int i,rand;
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set_taus_seed();
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for (i=0; i<10; i++) {
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rand = taus();
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printf("%u\n",rand);
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}
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}
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#endif //MAIN
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