1 /* 2 * Copyright (C) 2004-2010 NXP Software 3 * Copyright (C) 2010 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 /********************************************************************************** 19 INCLUDE FILES 20 ***********************************************************************************/ 21 22 #include "VectorArithmetic.h" 23 24 /********************************************************************************** 25 FUNCTION From2iToMono_32 26 ***********************************************************************************/ 27 28 void From2iToMono_32( const LVM_INT32 *src, 29 LVM_INT32 *dst, 30 LVM_INT16 n) 31 { 32 LVM_INT16 ii; 33 LVM_INT32 Temp; 34 35 for (ii = n; ii != 0; ii--) 36 { 37 Temp = (*src>>1); 38 src++; 39 40 Temp +=(*src>>1); 41 src++; 42 43 *dst = Temp; 44 dst++; 45 } 46 47 return; 48 } 49 #ifdef BUILD_FLOAT 50 void From2iToMono_Float( const LVM_FLOAT *src, 51 LVM_FLOAT *dst, 52 LVM_INT16 n) 53 { 54 LVM_INT16 ii; 55 LVM_FLOAT Temp; 56 57 for (ii = n; ii != 0; ii--) 58 { 59 Temp = (*src); 60 src++; 61 62 Temp += (*src); 63 src++; 64 65 *dst = Temp / 2.0f; 66 dst++; 67 } 68 69 return; 70 } 71 #endif 72 /**********************************************************************************/ 73
