Add -lm when compiling
Regards,
Håkon Hallingstad
Software Developer, EDB
+47 2252 8218
hakon.hallingstad@edb.com
www.edb.com
"IT er ikke alt - men det hjelper"
-----Original Message-----
From: Colin Carter [mailto:colincarter@exemail.com.au]
Sent: 8. april 2005 14:11
To: suse-programming-e@suse.com
Subject: [suse-programming-e] math.h
Hi,
I have just moved into Linux and compiled, linked and executed a simple C
program with X Window. This required standard #include <...> But when I
tried to use sqrt() I added #include
On Friday 08 April 2005 22:18, Hallingstad Håkon wrote:
Add -lm when compiling Thanks Håkon, it worked, but I didn't know that I had to specifically link with libm.a I am used to the maths libraries being part of the standard search. Regards, Colin
Regards, Håkon Hallingstad Software Developer, EDB +47 2252 8218 hakon.hallingstad@edb.com www.edb.com "IT er ikke alt - men det hjelper"
-----Original Message----- From: Colin Carter [mailto:colincarter@exemail.com.au] Sent: 8. april 2005 14:11 To: suse-programming-e@suse.com Subject: [suse-programming-e] math.h
Hi, I have just moved into Linux and compiled, linked and executed a simple C program with X Window. This required standard #include <...> But when I tried to use sqrt() I added #include
but x = sqrt ( x ); gives me 'undefined reference 'sqrt' Any ideas? Regards, Colin
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Hi Håkon and Joe, I found relevant documentation on libraries in my book by Kurt Wall et al "Linux Programming". Thanks for your pointers. Regards, Colin On Friday 08 April 2005 22:56, Colin Carter wrote:
On Friday 08 April 2005 22:18, Hallingstad Håkon wrote:
Add -lm when compiling
Thanks Håkon, it worked, but I didn't know that I had to specifically link with libm.a I am used to the maths libraries being part of the standard search. Regards, Colin
Regards, Håkon Hallingstad Software Developer, EDB +47 2252 8218 hakon.hallingstad@edb.com www.edb.com "IT er ikke alt - men det hjelper"
-----Original Message----- From: Colin Carter [mailto:colincarter@exemail.com.au] Sent: 8. april 2005 14:11 To: suse-programming-e@suse.com Subject: [suse-programming-e] math.h
Hi, I have just moved into Linux and compiled, linked and executed a simple C program with X Window. This required standard #include <...> But when I tried to use sqrt() I added #include
but x = sqrt ( x ); gives me 'undefined reference 'sqrt' Any ideas? Regards, Colin
-- To unsubscribe, email: suse-programming-e-unsubscribe@suse.com For additional commands, email: suse-programming-e-help@suse.com Archives can be found at: http://lists.suse.com/archive/suse-programming-e
participants (2)
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Colin Carter -
Hallingstad Håkon