All Forums  Origin Forum for Programming  Forum for Origin C  Problem with DLL's and Exp

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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by Kstadler[/i] [br]Origin Version (Select Help-->About Origin): 7.5 Operating System: Win 2000 Hallo, during writing a program to visualize some mathematical function I got the following error messagew when I use 'exp': Funktionen.c(87) :Error, external DLL cannot find function @OUTL : exp The formula I used was: Y = A0 - A1*exp(X); //A0, A1 are double, X is a double Vector as well as Y Also other formula witch use exp do not work. Instead, when I use, for example, sin (e.g. Y = A0 - A1*sin(X);) I got the following error: Origin7\OriginC\system\internal.c(345) :Error, external DLL cannot find function @OUTL : fabs but the program works as expected. Do you have any clue, what the problem could be? Many thanks in advance, Konstantin Stadler [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.