53 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Mathematica
		
	
	
	
	
	
		
		
			
		
	
	
			53 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Mathematica
		
	
	
	
	
	
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								# Copyright (C) 2007-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
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								#
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								# This program is free software; you can redistribute it and/or modify
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								# it under the terms of the GNU Lesser General Public License as published by
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								# the Free Software Foundation; either version 2.1 of the License, or
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								# (at your option) any later version.
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								#
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								# This program is distributed in the hope that it will be useful,
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								# but WITHOUT ANY WARRANTY; without even the implied warranty of
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								# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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								# GNU Lesser General Public License for more details.
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								#
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								# You should have received a copy of the GNU Lesser General Public License
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								# along with this program; if not, write to the Free Software
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								# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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								# These tests are nowhere near comprehensive.
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								printf ("    Running Octave tests                     : ") ;
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								fflush (stdout) ;
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								filename = "whatever" ;
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								srate_out = 32000 ;
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								fmt_out = "wav-float" ;
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								t = (2 * pi / srate_out * (0:srate_out-1))' ;
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								data_out = sin (440.0 * t) ;
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								# Write out a file.
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								sfwrite (filename, data_out, srate_out, fmt_out) ;
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								# Read it back in again.
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								[ data_in, srate_in, fmt_in ] = sfread (filename) ;
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								if (srate_in != srate_out)
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									error ("\n\nSample rate mismatch : %d -> %d.\n\n", srate_out, srate_in) ;
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									endif
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								# Octave strcmp return 1 for the same.
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								if (strcmp (fmt_in, fmt_out) != 1)
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									error ("\n\nFormat error : '%s' -> '%s'.\n\n", fmt_out, fmt_in) ;
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									endif
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								err = max (abs (data_out - data_in)) ;
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								if (err > 1e-7)
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									error ("err : %g\n", err) ;
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									endif
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								printf ("ok") ;
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								unlink (filename) ;
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