cannam@85: /*
cannam@85: ** Copyright (C) 2003-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
cannam@85: **
cannam@85: ** This program is free software; you can redistribute it and/or modify
cannam@85: ** it under the terms of the GNU General Public License as published by
cannam@85: ** the Free Software Foundation; either version 2 of the License, or
cannam@85: ** (at your option) any later version.
cannam@85: **
cannam@85: ** This program is distributed in the hope that it will be useful,
cannam@85: ** but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@85: ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@85: ** GNU General Public License for more details.
cannam@85: **
cannam@85: ** You should have received a copy of the GNU General Public License
cannam@85: ** along with this program; if not, write to the Free Software
cannam@85: ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
cannam@85: */
cannam@85: 
cannam@85: #include <stdio.h>
cannam@85: #include <stdlib.h>
cannam@85: #include <string.h>
cannam@85: 
cannam@85: #include <samplerate.h>
cannam@85: 
cannam@85: #include "util.h"
cannam@85: 
cannam@85: #define	BUFFER_LEN		10000
cannam@85: 
cannam@85: static void float_to_short_test (void) ;
cannam@85: static void short_to_float_test (void) ;
cannam@85: 
cannam@85: static void float_to_int_test (void) ;
cannam@85: static void int_to_float_test (void) ;
cannam@85: 
cannam@85: int
cannam@85: main (void)
cannam@85: {
cannam@85: 	puts ("") ;
cannam@85: 
cannam@85: 	float_to_short_test () ;
cannam@85: 	short_to_float_test () ;
cannam@85: 
cannam@85: 	float_to_int_test () ;
cannam@85: 	int_to_float_test () ;
cannam@85: 
cannam@85: 	puts ("") ;
cannam@85: 
cannam@85: 	return 0 ;
cannam@85: } /* main */
cannam@85: 
cannam@85: /*=====================================================================================
cannam@85: */
cannam@85: 
cannam@85: static void
cannam@85: float_to_short_test (void)
cannam@85: {
cannam@85: 	static float fpos [] =
cannam@85: 	{	0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3
cannam@85: 		} ;
cannam@85: 	static float fneg [] =
cannam@85: 	{	-0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3
cannam@85: 		} ;
cannam@85: 
cannam@85: 	static short out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ;
cannam@85: 
cannam@85: 	int k ;
cannam@85: 
cannam@85: 	printf ("\tfloat_to_short_test ............................. ") ;
cannam@85: 
cannam@85: 	src_float_to_short_array (fpos, out, ARRAY_LEN (fpos)) ;
cannam@85: 
cannam@85: 	for (k = 0 ; k < ARRAY_LEN (fpos) ; k++)
cannam@85: 		if (out [k] < 30000)
cannam@85: 		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
cannam@85: 			exit (1) ;
cannam@85: 			} ;
cannam@85: 
cannam@85: 	src_float_to_short_array (fneg, out, ARRAY_LEN (fneg)) ;
cannam@85: 
cannam@85: 	for (k = 0 ; k < ARRAY_LEN (fneg) ; k++)
cannam@85: 		if (out [k] > -30000)
cannam@85: 		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
cannam@85: 			exit (1) ;
cannam@85: 			} ;
cannam@85: 
cannam@85: 	puts ("ok") ;
cannam@85: 
cannam@85: 	return ;
cannam@85: } /* float_to_short_test */
cannam@85: 
cannam@85: /*-------------------------------------------------------------------------------------
cannam@85: */
cannam@85: 
cannam@85: static void
cannam@85: short_to_float_test (void)
cannam@85: {
cannam@85: 	static short input	[BUFFER_LEN] ;
cannam@85: 	static short output	[BUFFER_LEN] ;
cannam@85: 	static float temp	[BUFFER_LEN] ;
cannam@85: 
cannam@85: 	int k ;
cannam@85: 
cannam@85: 	printf ("\tshort_to_float_test ............................. ") ;
cannam@85: 
cannam@85: 	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
cannam@85: 		input [k] = (k * 0x8000) / ARRAY_LEN (input) ;
cannam@85: 
cannam@85: 	src_short_to_float_array (input, temp, ARRAY_LEN (temp)) ;
cannam@85: 	src_float_to_short_array (temp, output, ARRAY_LEN (output)) ;
cannam@85: 
cannam@85: 	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
cannam@85: 		if (ABS (input [k] - output [k]) > 0)
cannam@85: 		{	printf ("\n\n\tLine %d : index %d   %d -> %d\n", __LINE__, k, input [k], output [k]) ;
cannam@85: 			exit (1) ;
cannam@85: 			} ;
cannam@85: 
cannam@85: 	puts ("ok") ;
cannam@85: 
cannam@85: 	return ;
cannam@85: } /* short_to_float_test */
cannam@85: 
cannam@85: /*=====================================================================================
cannam@85: */
cannam@85: 
cannam@85: static void
cannam@85: float_to_int_test (void)
cannam@85: {
cannam@85: 	static float fpos [] =
cannam@85: 	{	0.95, 0.99, 1.0, 1.01, 1.1, 2.0, 11.1, 111.1, 2222.2, 33333.3
cannam@85: 		} ;
cannam@85: 	static float fneg [] =
cannam@85: 	{	-0.95, -0.99, -1.0, -1.01, -1.1, -2.0, -11.1, -111.1, -2222.2, -33333.3
cannam@85: 		} ;
cannam@85: 
cannam@85: 	static int out [MAX (ARRAY_LEN (fpos), ARRAY_LEN (fneg))] ;
cannam@85: 
cannam@85: 	int k ;
cannam@85: 
cannam@85: 	printf ("\tfloat_to_int_test ............................... ") ;
cannam@85: 
cannam@85: 	src_float_to_int_array (fpos, out, ARRAY_LEN (fpos)) ;
cannam@85: 
cannam@85: 	for (k = 0 ; k < ARRAY_LEN (fpos) ; k++)
cannam@85: 		if (out [k] < 30000 * 0x10000)
cannam@85: 		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
cannam@85: 			exit (1) ;
cannam@85: 			} ;
cannam@85: 
cannam@85: 	src_float_to_int_array (fneg, out, ARRAY_LEN (fneg)) ;
cannam@85: 
cannam@85: 	for (k = 0 ; k < ARRAY_LEN (fneg) ; k++)
cannam@85: 		if (out [k] > -30000 * 0x1000)
cannam@85: 		{	printf ("\n\n\tLine %d : out [%d] == %d\n", __LINE__, k, out [k]) ;
cannam@85: 			exit (1) ;
cannam@85: 			} ;
cannam@85: 
cannam@85: 	puts ("ok") ;
cannam@85: 
cannam@85: 	return ;
cannam@85: } /* float_to_int_test */
cannam@85: 
cannam@85: /*-------------------------------------------------------------------------------------
cannam@85: */
cannam@85: 
cannam@85: static void
cannam@85: int_to_float_test (void)
cannam@85: {
cannam@85: 	static int input	[BUFFER_LEN] ;
cannam@85: 	static int output	[BUFFER_LEN] ;
cannam@85: 	static float temp	[BUFFER_LEN] ;
cannam@85: 
cannam@85: 	int k ;
cannam@85: 
cannam@85: 	printf ("\tint_to_float_test ............................... ") ;
cannam@85: 
cannam@85: 	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
cannam@85: 		input [k] = (k * 0x80000000) / ARRAY_LEN (input) ;
cannam@85: 
cannam@85: 	src_int_to_float_array (input, temp, ARRAY_LEN (temp)) ;
cannam@85: 	src_float_to_int_array (temp, output, ARRAY_LEN (output)) ;
cannam@85: 
cannam@85: 	for (k = 0 ; k < ARRAY_LEN (input) ; k++)
cannam@85: 		if (ABS (input [k] - output [k]) > 0)
cannam@85: 		{	printf ("\n\n\tLine %d : index %d   %d -> %d\n", __LINE__, k, input [k], output [k]) ;
cannam@85: 			exit (1) ;
cannam@85: 			} ;
cannam@85: 
cannam@85: 	puts ("ok") ;
cannam@85: 
cannam@85: 	return ;
cannam@85: } /* int_to_float_test */
cannam@85: