/* * Copyright (C) 2004-2010 NXP Software * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /********************************************************************************** INCLUDE FILES ***********************************************************************************/ #include "VectorArithmetic.h" /********************************************************************************** FUNCTION ADD2_SAT_16X16 ***********************************************************************************/ void Add2_Sat_16x16( const LVM_INT16 *src, LVM_INT16 *dst, LVM_INT16 n ) { LVM_INT32 Temp; LVM_INT16 ii; for (ii = n; ii != 0; ii--) { Temp = ((LVM_INT32) *src) + ((LVM_INT32) *dst); src++; if (Temp > 0x00007FFF) { *dst = 0x7FFF; } else if (Temp < -0x00008000) { *dst = - 0x8000; } else { *dst = (LVM_INT16)Temp; } dst++; } return; } /**********************************************************************************/