rnd_orderofmag

PURPOSE

SYNOPSIS

DESCRIPTION

function rounded_val=rnd_orderofmag(val)

 Rounds val to lowest non-zero digit

CROSS-REFERENCE INFORMATION

• gui_erp gui_erp() - Open a GUI for visualzing ERP butterfly plots and
• gui_erpORIG gui_erp() - Open a GUI for visualzing ERP butterfly plots and
• gui_pow gui_pow() - Open a GUI for visualzing butterfly plots of EEG power spectra
• headinfo_spec headinfo_spec() - Displays channel, bin and t-test information about the
• plot_wave plot_wave() - Plots the ERPs from one or more bins in a GND or GRP
• sig_raster sig_raster() - Plots 2D (electrode x time/frequency) raster diagram of
• sig_topo sig_topo() - Plots scalp topographies of EEG efffects that have been
• sig_wave sig_wave() - Illustrates results of a mass univariate t-test on a

SOURCE CODE

0001 function rounded_val=rnd_orderofmag(val)
0002 %function rounded_val=rnd_orderofmag(val)
0003 %
0004 % Rounds val to lowest non-zero digit
0005 
0006 orig_val=val;
0007 val=abs(val);
0008 if val>=1
0009     ord=1;
0010     val=floor(val/10);
0011     while val>=1,
0012         ord=ord*10;
0013         val=floor(val/10);
0014     end
0015 else
0016     ord=1/10;
0017     val=val*10;
0018     while val<1,
0019         ord=ord/10;
0020         val=val*10;
0021     end
0022 end
0023 
0024 rounded_val=round(orig_val/ord)*ord;