https://community.intel.com/t5/Intel-Fortran-Compiler/How-to-disable-minus-sign-for-zero-value/m-p/1631727#M173702 <P>using the IFORT compiler the option 'Floating point' 'Enable IEEE Minus Zero Support' 'No' works correctly: only the value 0.0 is allowed<BR />Using the IFX compiler it seems that the indicated option does not work in fact in the code I also have the value -0.0 and the test a.ne.0. gives the result .false. when a = -0.0</P> Tue, 17 Sep 2024 11:23:30 GMT pierangelo 2024-09-17T11:23:30Z https://community.intel.com/t5/Intel-Fortran-Compiler/How-to-disable-minus-sign-for-zero-value/m-p/1631727#M173702 <P>using the IFORT compiler the option 'Floating point' 'Enable IEEE Minus Zero Support' 'No' works correctly: only the value 0.0 is allowed<BR />Using the IFX compiler it seems that the indicated option does not work in fact in the code I also have the value -0.0 and the test a.ne.0. gives the result .false. when a = -0.0</P> Tue, 17 Sep 2024 11:23:30 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/How-to-disable-minus-sign-for-zero-value/m-p/1631727#M173702 pierangelo 2024-09-17T11:23:30Z https://community.intel.com/t5/Intel-Fortran-Compiler/How-to-disable-minus-sign-for-zero-value/m-p/1631728#M173703 <P>try&nbsp;<SPAN>/assume:nominus0 compiler option but the testing a real to equal zero is not robust code, you need a tolerance.</SPAN></P> Tue, 17 Sep 2024 11:43:51 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/How-to-disable-minus-sign-for-zero-value/m-p/1631728#M173703 andrew_4619 2024-09-17T11:43:51Z