| /* |
| ** Copyright (C) 2003-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| ** |
| ** This program is free software; you can redistribute it and/or modify |
| ** it under the terms of the GNU General Public License as published by |
| ** the Free Software Foundation; either version 2 of the License, or |
| ** (at your option) any later version. |
| ** |
| ** This program is distributed in the hope that it will be useful, |
| ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| ** GNU General Public License for more details. |
| ** |
| ** You should have received a copy of the GNU General Public License |
| ** along with this program; if not, write to the Free Software |
| ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <samplerate.h> |
| |
| #include "util.h" |
| |
| #define BUFFER_LEN 10000 |
| |
| static void float_to_short_test (void) ; |
| static void short_to_float_test (void) ; |
| |
| static void float_to_int_test (void) ; |
| static void int_to_float_test (void) ; |
| |
| int |
| main (void) |
| { |
| puts ("") ; |
| |
| float_to_short_test () ; |
| short_to_float_test () ; |
| |
| float_to_int_test () ; |
| int_to_float_test () ; |
| |
| puts ("") ; |
| |
| return 0 ; |
| } /* main */ |
| |
| /*===================================================================================== |
| */ |
| |
| static void |
| float_to_short_test (void) |
| { |
| static float fpos [] = |
| { 0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3 |
| } ; |
| static float fneg [] = |
| { -0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3 |
| } ; |
| |
| static short out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ; |
| |
| int k ; |
| |
| printf ("\tfloat_to_short_test ............................. ") ; |
| |
| src_float_to_short_array (fpos, out, ARRAY_LEN (fpos)) ; |
| |
| for (k = 0 ; k < ARRAY_LEN (fpos) ; k++) |
| if (out [k] < 30000) |
| { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; |
| exit (1) ; |
| } ; |
| |
| src_float_to_short_array (fneg, out, ARRAY_LEN (fneg)) ; |
| |
| for (k = 0 ; k < ARRAY_LEN (fneg) ; k++) |
| if (out [k] > -30000) |
| { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; |
| exit (1) ; |
| } ; |
| |
| puts ("ok") ; |
| |
| return ; |
| } /* float_to_short_test */ |
| |
| /*------------------------------------------------------------------------------------- |
| */ |
| |
| static void |
| short_to_float_test (void) |
| { |
| static short input [BUFFER_LEN] ; |
| static short output [BUFFER_LEN] ; |
| static float temp [BUFFER_LEN] ; |
| |
| int k ; |
| |
| printf ("\tshort_to_float_test ............................. ") ; |
| |
| for (k = 0 ; k < ARRAY_LEN (input) ; k++) |
| input [k] = (k * 0x8000) / ARRAY_LEN (input) ; |
| |
| src_short_to_float_array (input, temp, ARRAY_LEN (temp)) ; |
| src_float_to_short_array (temp, output, ARRAY_LEN (output)) ; |
| |
| for (k = 0 ; k < ARRAY_LEN (input) ; k++) |
| if (ABS (input [k] - output [k]) > 0) |
| { printf ("\n\n\tLine %d : index %d %d -> %d\n", __LINE__, k, input [k], output [k]) ; |
| exit (1) ; |
| } ; |
| |
| puts ("ok") ; |
| |
| return ; |
| } /* short_to_float_test */ |
| |
| /*===================================================================================== |
| */ |
| |
| static void |
| float_to_int_test (void) |
| { |
| static float fpos [] = |
| { 0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3 |
| } ; |
| static float fneg [] = |
| { -0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3 |
| } ; |
| |
| static int out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ; |
| |
| int k ; |
| |
| printf ("\tfloat_to_int_test ............................... ") ; |
| |
| src_float_to_int_array (fpos, out, ARRAY_LEN (fpos)) ; |
| |
| for (k = 0 ; k < ARRAY_LEN (fpos) ; k++) |
| if (out [k] < 30000 * 0x10000) |
| { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; |
| exit (1) ; |
| } ; |
| |
| src_float_to_int_array (fneg, out, ARRAY_LEN (fneg)) ; |
| |
| for (k = 0 ; k < ARRAY_LEN (fneg) ; k++) |
| if (out [k] > -30000 * 0x1000) |
| { printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ; |
| exit (1) ; |
| } ; |
| |
| puts ("ok") ; |
| |
| return ; |
| } /* float_to_int_test */ |
| |
| /*------------------------------------------------------------------------------------- |
| */ |
| |
| static void |
| int_to_float_test (void) |
| { |
| static int input [BUFFER_LEN] ; |
| static int output [BUFFER_LEN] ; |
| static float temp [BUFFER_LEN] ; |
| |
| int k ; |
| |
| printf ("\tint_to_float_test ............................... ") ; |
| |
| for (k = 0 ; k < ARRAY_LEN (input) ; k++) |
| input [k] = (k * 0x80000000) / ARRAY_LEN (input) ; |
| |
| src_int_to_float_array (input, temp, ARRAY_LEN (temp)) ; |
| src_float_to_int_array (temp, output, ARRAY_LEN (output)) ; |
| |
| for (k = 0 ; k < ARRAY_LEN (input) ; k++) |
| if (ABS (input [k] - output [k]) > 0) |
| { printf ("\n\n\tLine %d : index %d %d -> %d\n", __LINE__, k, input [k], output [k]) ; |
| exit (1) ; |
| } ; |
| |
| puts ("ok") ; |
| |
| return ; |
| } /* int_to_float_test */ |
| |