/* * 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; }