1 /*---------------------------------------------------------------------------* 2 * log_add.h * 3 * * 4 * Copyright 2007, 2008 Nuance Communciations, Inc. * 5 * * 6 * Licensed under the Apache License, Version 2.0 (the 'License'); * 7 * you may not use this file except in compliance with the License. * 8 * * 9 * You may obtain a copy of the License at * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, software * 13 * distributed under the License is distributed on an 'AS IS' BASIS, * 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * 15 * See the License for the specific language governing permissions and * 16 * limitations under the License. * 17 * * 18 *---------------------------------------------------------------------------*/ 19 20 #ifndef _inl_log_add_ 21 #define _inl_log_add_ 22 23 static PINLINE prdata log_increment_inline(prdata ival, const logadd_table_info *logtab); 24 log_increment_inline(prdata ival,const logadd_table_info * logtab)25static PINLINE prdata log_increment_inline(prdata ival, const logadd_table_info *logtab) 26 /* 27 ** To add two numbers stored as their natural logarithms 28 ** A more efficient implementation is to use lookup tables. 29 */ 30 { 31 ASSERT(logtab); 32 ASSERT(logtab->table); 33 34 return (logtab->table[(int)(ival)]); 35 } 36 #endif 37