1 /*---------------------------------------------------------------------------* 2 * log_add.c * 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 21 #ifndef _RTT 22 #include <stdio.h> 23 #endif 24 #include <stdlib.h> 25 #include <math.h> 26 #include <assert.h> 27 28 #include "prelib.h" 29 #include "portable.h" 30 31 #define DEBUG 0 32 33 #define TAB_ENTRIES 1024 34 35 static const char logadd[] = "$Id: log_add.c,v 1.3.6.10 2008/01/29 06:36:39 dahan Exp $"; 36 37 // #define PRINT_SOME_CODE(fMt,aRg1) printf(fMt,aRg1) 38 #define PRINT_SOME_CODE(fMt,aRg1) 39 40 /* values for default case 0 */ 41 #define DO_USE_LOGTAB__TABLE ( logtab->scale == 61 \ 42 && ( (int)(logtab->logscale*10000) == (int)(6.4f*10000)) \ 43 && ADD_LOG_LIMIT == 8) 44 static const prdata logtab__table[3125] = { 271, 270, 270, 269, 269, 268, 268, 267, 267, 266, 266, 265, 265, 264, 264, 263, 263, 262, 262, 261, 261, 260, 260, 259, 259, 258, 258, 257, 257, 256, 256, 255, 255, 254, 254, 253, 253, 253, 252, 252, 251, 251, 250, 250, 249, 249, 248, 248, 247, 247, 246, 246, 245, 245, 245, 244, 244, 243, 243, 242, 242, 241, 241, 240, 240, 239, 239, 239, 238, 238, 237, 237, 236, 236, 235, 235, 234, 234, 234, 233, 233, 232, 232, 231, 231, 230, 230, 230, 229, 229, 228, 228, 227, 227, 226, 226, 226, 225, 225, 224, 224, 223, 223, 222, 222, 222, 221, 221, 220, 220, 219, 219, 219, 218, 218, 217, 217, 216, 216, 216, 215, 215, 214, 214, 214, 213, 213, 212, 212, 211, 211, 211, 210, 210, 209, 209, 208, 208, 208, 207, 207, 206, 206, 206, 205, 205, 204, 204, 204, 203, 203, 202, 202, 202, 201, 201, 200, 200, 200, 199, 199, 198, 198, 198, 197, 197, 196, 196, 196, 195, 195, 194, 194, 194, 193, 193, 192, 192, 192, 191, 191, 191, 190, 190, 189, 189, 189, 188, 188, 187, 187, 187, 186, 186, 186, 185, 185, 184, 184, 184, 183, 183, 183, 182, 182, 181, 181, 181, 180, 180, 180, 179, 179, 178, 178, 178, 177, 177, 177, 176, 176, 176, 175, 175, 174, 174, 174, 173, 173, 173, 172, 172, 172, 171, 171, 171, 170, 170, 169, 169, 169, 168, 168, 168, 167, 167, 167, 166, 166, 166, 165, 165, 165, 164, 164, 164, 163, 163, 163, 162, 162, 162, 161, 161, 161, 160, 160, 159, 159, 159, 158, 158, 158, 157, 157, 157, 157, 156, 156, 156, 155, 155, 155, 154, 154, 154, 153, 153, 153, 152, 152, 152, 151, 151, 151, 150, 150, 150, 149, 149, 149, 148, 148, 148, 147, 147, 147, 147, 146, 146, 146, 145, 145, 145, 144, 144, 144, 143, 143, 143, 143, 142, 142, 142, 141, 141, 141, 140, 140, 140, 139, 139, 139, 139, 138, 138, 138, 137, 137, 137, 137, 136, 136, 136, 135, 135, 135, 134, 134, 134, 134, 133, 133, 133, 132, 132, 132, 132, 131, 131, 131, 130, 130, 130, 130, 129, 129, 129, 128, 128, 128, 128, 127, 127, 127, 126, 126, 126, 126, 125, 125, 125, 125, 124, 124, 124, 123, 123, 123, 123, 122, 122, 122, 122, 121, 121, 121, 121, 120, 120, 120, 119, 119, 119, 119, 118, 118, 118, 118, 117, 117, 117, 117, 116, 116, 116, 116, 115, 115, 115, 115, 114, 114, 114, 114, 113, 113, 113, 113, 112, 112, 112, 112, 111, 111, 111, 111, 110, 110, 110, 110, 109, 109, 109, 109, 108, 108, 108, 108, 107, 107, 107, 107, 106, 106, 106, 106, 105, 105, 105, 105, 105, 104, 104, 104, 104, 103, 103, 103, 103, 102, 102, 102, 102, 102, 101, 101, 101, 101, 100, 100, 100, 100, 99, 99, 99, 99, 99, 98, 98, 98, 98, 97, 97, 97, 97, 97, 96, 96, 96, 96, 95, 95, 95, 95, 95, 94, 94, 94, 94, 94, 93, 93, 93, 93, 92, 92, 92, 92, 92, 91, 91, 91, 91, 91, 90, 90, 90, 90, 90, 89, 89, 89, 89, 89, 88, 88, 88, 88, 88, 87, 87, 87, 87, 87, 86, 86, 86, 86, 86, 85, 85, 85, 85, 85, 84, 84, 84, 84, 84, 83, 83, 83, 83, 83, 82, 82, 82, 82, 82, 82, 81, 81, 81, 81, 81, 80, 80, 80, 80, 80, 79, 79, 79, 79, 79, 79, 78, 78, 78, 78, 78, 77, 77, 77, 77, 77, 77, 76, 76, 76, 76, 76, 76, 75, 75, 75, 75, 75, 74, 74, 74, 74, 74, 74, 73, 73, 73, 73, 73, 73, 72, 72, 72, 72, 72, 72, 71, 71, 71, 71, 71, 71, 70, 70, 70, 70, 70, 70, 69, 69, 69, 69, 69, 69, 68, 68, 68, 68, 68, 68, 67, 67, 67, 67, 67, 67, 67, 66, 66, 66, 66, 66, 66, 65, 65, 65, 65, 65, 65, 65, 64, 64, 64, 64, 64, 64, 63, 63, 63, 63, 63, 63, 63, 62, 62, 62, 62, 62, 62, 62, 61, 61, 61, 61, 61, 61, 61, 60, 60, 60, 60, 60, 60, 60, 59, 59, 59, 59, 59, 59, 59, 58, 58, 58, 58, 58, 58, 58, 57, 57, 57, 57, 57, 57, 57, 57, 56, 56, 56, 56, 56, 56, 56, 55, 55, 55, 55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 53, 53, 53, 53, 53, 53, 53, 53, 52, 52, 52, 52, 52, 52, 52, 52, 51, 51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 50, 50, 50, 49, 49, 49, 49, 49, 49, 49, 49, 48, 48, 48, 48, 48, 48, 48, 48, 48, 47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 45, 45, 45, 45, 45, 45, 45, 45, 45, 44, 44, 44, 44, 44, 44, 44, 44, 44, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; /*0*/ 45 46 void create_lookup_logadd(logadd_table_info *logtab, float mul_scale) 47 { 48 int ii; 49 50 ASSERT(logtab); 51 ASSERT(logtab->scale != 0); 52 53 logtab->logscale = mul_scale; 54 logtab->add_log_limit = (prdata)(ADD_LOG_LIMIT * mul_scale * logtab->scale); 55 if( DO_USE_LOGTAB__TABLE) { 56 logtab->table = logtab__table; 57 } else { 58 prdata* table = (prdata *) CALLOC(logtab->add_log_limit + 2, sizeof(prdata), "clib.logadd"); 59 logtab->table = table; 60 PRINT_SOME_CODE( "/* values for default case %d */\n", 0); 61 PRINT_SOME_CODE( "#define DO_USE_LOGTAB__TABLE (logtab->scale == %d \\\n", logtab->scale); 62 PRINT_SOME_CODE( " && ( (int)(logtab->logscale*10000) == (int)(%ff*10000) \\\n", logtab->logscale); 63 PRINT_SOME_CODE( " && ADD_LOG_LIMIT == %d) \n", ADD_LOG_LIMIT); 64 PRINT_SOME_CODE( "static prdata logtab__table[%d] = {", logtab->add_log_limit + 2); 65 for (ii = 0; ii <= logtab->add_log_limit; ii++) { 66 table[ii] = (prdata)(logtab->scale * mul_scale * log(1 67 + exp(-(float)ii / ((float)logtab->scale * mul_scale))) 68 + 0.5) ; 69 PRINT_SOME_CODE(" %d,", table[ii]); 70 } 71 PRINT_SOME_CODE( ", 0 }; /*%i*/\n", 0); /*not sure why the +2 above, just append 0 for now*/ 72 } 73 #ifdef SREC_ENGINE_VERBOSE_LOGGING 74 PLogMessage("L: log table scale is %f\n", (float)logtab->scale); 75 PLogMessage("L: log table has %d entries\n", (int)logtab->add_log_limit); 76 #endif 77 #if DEBUG 78 for (ii = 0; ii <= logtab->add_log_limit; ii++) 79 log_report("T: %d %f\n", ii, (float)logtab->table[ii]); 80 #endif 81 #if REPORT_USAGE 82 report_malloc_usage(); 83 #endif 84 return; 85 } 86 87 void destroy_lookup_logadd(logadd_table_info *logtab) 88 { 89 ASSERT(logtab); 90 ASSERT(logtab->table); 91 if( !DO_USE_LOGTAB__TABLE ) { 92 FREE((char *)logtab->table); 93 } 94 return; 95 } 96
