ref: dd5731256e1c13847a6be9b29bad3933a5373fa7
dir: /tests/float_short_test.c/
/* ** Copyright (C) 2003 Erik de Castro Lopo <[email protected]> ** ** 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 <math.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) ; int main (void) { puts ("") ; float_to_short_test () ; short_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 */ /* ** Do not edit or modify anything in this comment block. ** The arch-tag line is a file identity tag for the GNU Arch ** revision control system. ** ** arch-tag: d022730c-fab0-443e-880f-562b87c15e50 */