| /* |
| * 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 "ScalarArithmetic.h" |
| |
| /**************************************************************************************** |
| * Name : Abs_32() |
| * Input : Signed 32-bit integer |
| * Output : |
| * Returns : Absolute value |
| * Description : Absolute value with maximum negative value corner case |
| * Remarks : |
| ****************************************************************************************/ |
| |
| LVM_INT32 Abs_32(LVM_INT32 input) |
| { |
| if(input < 0) |
| { |
| if (input == (LVM_INT32)(0x80000000U)) |
| { |
| /* The corner case, so set to the maximum positive value */ |
| input=(LVM_INT32) 0x7fffffff; |
| } |
| else |
| { |
| /* Negative input, so invert */ |
| input = (LVM_INT32)(-input); |
| } |
| } |
| return input; |
| } |
| |