Emeric Vigier | eebea67 | 2012-08-06 17:36:30 -0400 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (C) 2003-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| 3 | ** |
| 4 | ** This program is free software; you can redistribute it and/or modify |
| 5 | ** it under the terms of the GNU General Public License as published by |
| 6 | ** the Free Software Foundation; either version 2 of the License, or |
| 7 | ** (at your option) any later version. |
| 8 | ** |
| 9 | ** This program is distributed in the hope that it will be useful, |
| 10 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | ** GNU General Public License for more details. |
| 13 | ** |
| 14 | ** You should have received a copy of the GNU General Public License |
| 15 | ** along with this program; if not, write to the Free Software |
| 16 | ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | |
| 23 | #include <samplerate.h> |
| 24 | |
| 25 | #include "util.h" |
| 26 | |
| 27 | #define BUFFER_LEN 10000 |
| 28 | |
| 29 | static void float_to_short_test (void) ; |
| 30 | static void short_to_float_test (void) ; |
| 31 | |
| 32 | static void float_to_int_test (void) ; |
| 33 | static void int_to_float_test (void) ; |
| 34 | |
| 35 | int |
| 36 | main (void) |
| 37 | { |
| 38 | puts ("") ; |
| 39 | |
| 40 | float_to_short_test () ; |
| 41 | short_to_float_test () ; |
| 42 | |
| 43 | float_to_int_test () ; |
| 44 | int_to_float_test () ; |
| 45 | |
| 46 | puts ("") ; |
| 47 | |
| 48 | return 0 ; |
| 49 | } /* main */ |
| 50 | |
| 51 | /*===================================================================================== |
| 52 | */ |
| 53 | |
| 54 | static void |
| 55 | float_to_short_test (void) |
| 56 | { |
| 57 | static float fpos [] = |
| 58 | { 0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3 |
| 59 | } ; |
| 60 | static float fneg [] = |
| 61 | { -0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3 |
| 62 | } ; |
| 63 | |
| 64 | static short out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ; |
| 65 | |
| 66 | int k ; |
| 67 | |
| 68 | printf ("\tfloat_to_short_test ............................. ") ; |
| 69 | |
| 70 | src_float_to_short_array (fpos, out, ARRAY_LEN (fpos)) ; |
| 71 | |
| 72 | for (k = 0 ; k < ARRAY_LEN (fpos) ; k++) |
| 73 | if (out [k] < 30000) |
| 74 | { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; |
| 75 | exit (1) ; |
| 76 | } ; |
| 77 | |
| 78 | src_float_to_short_array (fneg, out, ARRAY_LEN (fneg)) ; |
| 79 | |
| 80 | for (k = 0 ; k < ARRAY_LEN (fneg) ; k++) |
| 81 | if (out [k] > -30000) |
| 82 | { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; |
| 83 | exit (1) ; |
| 84 | } ; |
| 85 | |
| 86 | puts ("ok") ; |
| 87 | |
| 88 | return ; |
| 89 | } /* float_to_short_test */ |
| 90 | |
| 91 | /*------------------------------------------------------------------------------------- |
| 92 | */ |
| 93 | |
| 94 | static void |
| 95 | short_to_float_test (void) |
| 96 | { |
| 97 | static short input [BUFFER_LEN] ; |
| 98 | static short output [BUFFER_LEN] ; |
| 99 | static float temp [BUFFER_LEN] ; |
| 100 | |
| 101 | int k ; |
| 102 | |
| 103 | printf ("\tshort_to_float_test ............................. ") ; |
| 104 | |
| 105 | for (k = 0 ; k < ARRAY_LEN (input) ; k++) |
| 106 | input [k] = (k * 0x8000) / ARRAY_LEN (input) ; |
| 107 | |
| 108 | src_short_to_float_array (input, temp, ARRAY_LEN (temp)) ; |
| 109 | src_float_to_short_array (temp, output, ARRAY_LEN (output)) ; |
| 110 | |
| 111 | for (k = 0 ; k < ARRAY_LEN (input) ; k++) |
| 112 | if (ABS (input [k] - output [k]) > 0) |
| 113 | { printf ("\n\n\tLine %d : index %d %d -> %d\n", __LINE__, k, input [k], output [k]) ; |
| 114 | exit (1) ; |
| 115 | } ; |
| 116 | |
| 117 | puts ("ok") ; |
| 118 | |
| 119 | return ; |
| 120 | } /* short_to_float_test */ |
| 121 | |
| 122 | /*===================================================================================== |
| 123 | */ |
| 124 | |
| 125 | static void |
| 126 | float_to_int_test (void) |
| 127 | { |
| 128 | static float fpos [] = |
| 129 | { 0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3 |
| 130 | } ; |
| 131 | static float fneg [] = |
| 132 | { -0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3 |
| 133 | } ; |
| 134 | |
| 135 | static int out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ; |
| 136 | |
| 137 | int k ; |
| 138 | |
| 139 | printf ("\tfloat_to_int_test ............................... ") ; |
| 140 | |
| 141 | src_float_to_int_array (fpos, out, ARRAY_LEN (fpos)) ; |
| 142 | |
| 143 | for (k = 0 ; k < ARRAY_LEN (fpos) ; k++) |
| 144 | if (out [k] < 30000 * 0x10000) |
| 145 | { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; |
| 146 | exit (1) ; |
| 147 | } ; |
| 148 | |
| 149 | src_float_to_int_array (fneg, out, ARRAY_LEN (fneg)) ; |
| 150 | |
| 151 | for (k = 0 ; k < ARRAY_LEN (fneg) ; k++) |
| 152 | if (out [k] > -30000 * 0x1000) |
| 153 | { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; |
| 154 | exit (1) ; |
| 155 | } ; |
| 156 | |
| 157 | puts ("ok") ; |
| 158 | |
| 159 | return ; |
| 160 | } /* float_to_int_test */ |
| 161 | |
| 162 | /*------------------------------------------------------------------------------------- |
| 163 | */ |
| 164 | |
| 165 | static void |
| 166 | int_to_float_test (void) |
| 167 | { |
| 168 | static int input [BUFFER_LEN] ; |
| 169 | static int output [BUFFER_LEN] ; |
| 170 | static float temp [BUFFER_LEN] ; |
| 171 | |
| 172 | int k ; |
| 173 | |
| 174 | printf ("\tint_to_float_test ............................... ") ; |
| 175 | |
| 176 | for (k = 0 ; k < ARRAY_LEN (input) ; k++) |
| 177 | input [k] = (k * 0x80000000) / ARRAY_LEN (input) ; |
| 178 | |
| 179 | src_int_to_float_array (input, temp, ARRAY_LEN (temp)) ; |
| 180 | src_float_to_int_array (temp, output, ARRAY_LEN (output)) ; |
| 181 | |
| 182 | for (k = 0 ; k < ARRAY_LEN (input) ; k++) |
| 183 | if (ABS (input [k] - output [k]) > 0) |
| 184 | { printf ("\n\n\tLine %d : index %d %d -> %d\n", __LINE__, k, input [k], output [k]) ; |
| 185 | exit (1) ; |
| 186 | } ; |
| 187 | |
| 188 | puts ("ok") ; |
| 189 | |
| 190 | return ; |
| 191 | } /* int_to_float_test */ |
| 192 | |