The OPAL Discussion Forum

["Dr. Simon Friederich" <s.friederich AT uni-mainz.de>]

Dear OPAL-Team,

I wanted to play with the MACRO command, but unfortunately it leads to a "Segmentation fault":

Example from: http://amas.web.psi.ch/opal/Documentation/master/OPAL_Manual.html#sec.control.macro

test.in:

SHOWIT(X): MACRO {
   SHOW, NAME = X;
}
SHOWIT(PI)

Terminal output:

OPAL> This is OPAL (Object Oriented Parallel Accelerator Library) Version 2.4.0
OPAL>             git rev. ffded40c6dd317d29776f58f33080e2919319d89
...
OPAL> Finished reading startup file.
OPAL> * Reading input stream "test.in".
[desktop-04:394206] *** Process received signal ***
[desktop-04:394206] Signal: Segmentation fault (11)
[desktop-04:394206] Signal code: Address not mapped (1)
[desktop-04:394206] Failing at address: 0x34
[desktop-04:394206] [ 0] /lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7f06780253c0]
[desktop-04:394206] [ 1] opal(_ZlsRSoRK5Token+0x19)[0x55612ef3aed9]
[desktop-04:394206] [ 2] opal(_ZNK9Statement10printWhereER6Informb+0xbe)[0x55612ef38a6e]
[desktop-04:394206] [ 3] opal(_ZNK10OpalParser13readStatementEP11TokenStream+0x513)[0x55612ef60c13]
[desktop-04:394206] [ 4] opal(_ZNK10OpalParser3runEv+0x79)[0x55612ef5b519]
[desktop-04:394206] [ 5] opal(_ZNK10OpalParser3runEP11TokenStream+0x7d)[0x55612ef6064d]
[desktop-04:394206] [ 6] opal(main+0x20b9)[0x55612eea1f69]
[desktop-04:394206] [ 7] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7f06770fc0b3]
[desktop-04:394206] [ 8] opal(_start+0x2a)[0x55612eeac03a]
[desktop-04:394206] *** End of error message ***
Segmentation fault (core dumped)

I guess this is the result of a compilation error for my OPAL version, right?

If I want to use functions in OPAL, is there another possibility than using MACROS? (E.g. def KS(x): return KS = 3e-3*x+0.5e-3?)

Best regards
Simon

-- 
Dr. Simon Friederich
Helmholtz-Institut Mainz | Insitut für Kernphysik
Kollaboration ACID       | B
Johannes Gutenberg-Universität Mainz
Staudingerweg 18         | Johann-Joachim-Becherweg 45
55128 Mainz, Deutschland

Tel.: +49 (0)6131 39-23160
E-Mail: s.friederich AT uni-mainz.de