Hi all,<div><br></div><div>I have been trying to enter some data into an rrd file and seeing some weird errors. Below I will list how I created the RRD file, how i am entering the data and the errors I am getting:</div><div>
<br></div><div>Any help would be highly appreciated....</div><div><br></div><div>Thanks,</div><div><br></div><div>Creating:</div><div><br></div><div><div>rrdtool create boiler.rrd \</div><div>--start 1325232008 --step 600 \</div>
<div>DS:boiler_out_flow:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:boiler_in_flow:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:vihara_in_flow:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:vihara_out_flow:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div>
<div>DS:outbldg_in_flow:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:outbldg_out_flow:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:cistern_top:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:cistern_bottom:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div>
<div>DS:boiler_flow_gpm:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:vihara_flow_gpm:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:outbldg_flow:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:boiler_btu_per_hr:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div>
<div>DS:vihara_btu_per_hr:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000 \</div><div>DS:outbldg_btu_per_hr:GAUGE:600:0:U RRA:AVERAGE:0.5:20:10000</div></div><div><br></div><div>Entering data: (Sample)</div><div><br></div><div><div>
rrdtool updatev boiler.rrd 1325404601:102.5:137.1:140.0:126.9:127.5:123.2:280.6:139.3:0.0:5.0:0.0:0:32687:0</div><div>rrdtool updatev boiler.rrd 1325404622:102.5:137.1:140.0:126.4:127.4:123.0:264.6:140.0:0.0:5.0:0.0:0:33957:0</div>
<div>rrdtool updatev boiler.rrd 1325404643:102.5:137.1:140.0:126.0:127.2:122.8:278.6:140.7:0.0:5.0:0.0:0:35008:0</div><div>rrdtool updatev boiler.rrd 1325404664:102.5:137.1:140.0:125.6:127.2:122.8:258.7:139.4:0.0:5.0:0.0:0:35948:0</div>
<div>rrdtool updatev boiler.rrd 1325404685:102.5:137.1:140.0:125.1:127.2:122.7:258.7:140.0:0.0:5.0:0.0:0:37089:0</div><div>rrdtool updatev boiler.rrd 1325404706:102.4:137.0:140.0:124.6:127.0:122.7:254.2:142.2:0.0:5.0:0.0:0:38530:0</div>
<div>rrdtool updatev boiler.rrd 1325404727:102.6:137.4:140.0:123.9:127.0:122.5:260.1:140.3:0.0:5.0:0.0:0:40063:0</div><div>rrdtool updatev boiler.rrd 1325404749:102.6:136.9:140.1:123.2:126.9:122.4:260.2:140.0:0.0:5.0:0.0:0:42397:0</div>
<div>rrdtool updatev boiler.rrd 1325404770:102.7:137.1:140.0:122.6:126.8:122.2:258.7:138.4:0.0:5.0:0.0:0:43482:0</div><div>rrdtool updatev boiler.rrd 1325404791:102.6:137.2:140.2:121.9:126.7:122.1:260.2:145.2:0.0:5.0:0.0:0:45586:0</div>
</div><div><br></div><div>Errors:</div><div><br></div><div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_out_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[boiler_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_in_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_in_flow] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_out_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_top] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[cistern_bottom] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_flow_gpm] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[vihara_flow_gpm] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[outbldg_flow] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[boiler_btu_per_hr] = NaN</div><div>[1325400000]RRA[AVERAGE][20]DS[vihara_btu_per_hr] = NaN</div>
<div>[1325400000]RRA[AVERAGE][20]DS[outbldg_btu_per_hr] = NaN</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div>
<div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div>
<div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div>
<div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div>
<div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div>
<div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div><div>' to float not complete: tail 'rsion of '0</div><div>return_value = -1</div></div>