https://community.intel.com/t5/Software-Archive/Fatal-Error-2/m-p/928730#M14358 Hi, I hope someone can help me resolve the problem I've described below. <BR /> <BR />I wrote a Fortran program to solve a minimization problem by using an IMSL subroutine, DNCONG (double precision). <BR /> <BR />To link to IMSL, I have "USE numerical_libraries" in the program. I got no compiling errors or warning when clicking on "Rebuild". The link to IMSL is also correctly set up. In fact, I am not a first-time user of IMSL subroutines. I did successfully use some IMSL subroutines to solve numerical problems with Visual Fortran. <BR /> <BR />However, this time when I ran the program, I got the error message saying "Fatal ERROR 2 from DNCONG" <BR /> <BR />DNCONG is an IMSL subroutine, double precision <BR /> <BR />Can some one tell me what the messege means? Please tell me the clues for a solution. Thank you very much. <BR /> <BR />Hwan Fri, 24 Nov 2000 01:45:35 GMT Intel_C_Intel 2000-11-24T01:45:35Z https://community.intel.com/t5/Software-Archive/Fatal-Error-2/m-p/928730#M14358 Hi, I hope someone can help me resolve the problem I've described below. <BR /> <BR />I wrote a Fortran program to solve a minimization problem by using an IMSL subroutine, DNCONG (double precision). <BR /> <BR />To link to IMSL, I have "USE numerical_libraries" in the program. I got no compiling errors or warning when clicking on "Rebuild". The link to IMSL is also correctly set up. In fact, I am not a first-time user of IMSL subroutines. I did successfully use some IMSL subroutines to solve numerical problems with Visual Fortran. <BR /> <BR />However, this time when I ran the program, I got the error message saying "Fatal ERROR 2 from DNCONG" <BR /> <BR />DNCONG is an IMSL subroutine, double precision <BR /> <BR />Can some one tell me what the messege means? Please tell me the clues for a solution. Thank you very much. <BR /> <BR />Hwan Fri, 24 Nov 2000 01:45:35 GMT https://community.intel.com/t5/Software-Archive/Fatal-Error-2/m-p/928730#M14358 Intel_C_Intel 2000-11-24T01:45:35Z https://community.intel.com/t5/Software-Archive/Fatal-Error-2/m-p/928731#M14359 I'm not really familiar with use of IMSL, but looking at the IMSL documentation for DNCONG, I see that it shows that a "Fatal ERROR 2" means "line search took more than 5 function calls", whatever THAT means!<BR /><BR />Perhaps others here will be familiar with it, but if you want technical support for IMSL, you have to buy support from Visual Numerics, creators of the IMSL library.<BR /><BR />Steve Fri, 24 Nov 2000 21:37:31 GMT https://community.intel.com/t5/Software-Archive/Fatal-Error-2/m-p/928731#M14359 Steven_L_Intel1 2000-11-24T21:37:31Z