https://bugs.freedesktop.org/show_bug.cgi?id=58690
Priority: medium
Bug ID: 58690
Assignee: [email protected]
Summary: creating a chart hangs the system.
Severity: blocker
Classification: Unclassified
OS: Linux (All)
Reporter: [email protected]
Hardware: x86-64 (AMD64)
Status: UNCONFIRMED
Version: 3.5.7.2 release
Component: Spreadsheet
Product: LibreOffice
Starting with this version of Calc (Spreadsheet) any of my technical chargs
hangs the system.
The spreadsheet is always destroyed, so I have to show you the data as below.
Example:
row cell name value
1 a1 phase1 =0/57.3
2-2049 a2 =sin(2*PI()*(row()-2)*5/2048+phase1)
1 b1 phase2 =0/57.3
2-2049 b2 =sin(2*PI()*(row()-2)*100/2048+phase2)
1 c1 phase3 =90/57.3
2-2049 c2 =sin(2*PI()*(row()-2)*5/2048+phase3)
1 d1 phase4 =90/57.3
2=2049 d2 =sin(2*PI()*(row()-2)*100/2048+phase4)
when done, these will have the numerical representations of 4 sinewaves, 2 at 5
cycles, 2 at 100 cycles
Multiply them to get a double sideband signal:
1 e1 DSBI
2:2049 e2 =a2*b2
1 f1 DSQQ
2:2049 f2 =c2*d2
Add these two waves to get a single sideband wave
1 g1 SSB
2:2049 g2 e2+f2
chart1 show the sigle sideband result:
data series $sheet1.$g1
data range name: $sheet1:$g$11
yvalues: $sheet1:$g$2:$g$2049
As I finish entering the range and hit return, the sheet hangs for minutes, and
one processor goes to 100% the whole time.
After waiting about 10minutes I terminate the program.
Fedora 17 AMD64 Phenom 6 processor system with 8G or RAM.
Kernel Linux 3.6.10-2.fc17x86+64
GNOME 3.4.2
memory 7.8GiB
Processor: AMD Phenom(tm) II X6 1035^ processor x 6
Available disk Space 347.1GiB
LibreOffice 3.5.7.2
buildID: 359m1(build:2)
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