<HTML><BODY><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">I'm new to</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">GRASS</span><span class="" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">.</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">I want to</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">parallelize</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps atn" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">a program (</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">Grass</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">script)</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">, but</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">keep getting</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">the following error</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">.</span><span style="background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"><font color="#333333" face="arial, sans-serif" size="3"> </font><br><br>copmpi.c:7:17: error: mpi.h: No such file or directory<br></span><p>copmpi.c: In function ‘main’:<br>copmpi.c:177: error: redeclaration of ‘row’ with no linkage<br>copmpi.c:45: error: previous declaration of ‘row’ was here<br>copmpi.c:187: error: ‘MPI_Status’ undeclared (first use in this function)<br>copmpi.c:187: error: (Each undeclared identifier is reported only once<br>copmpi.c:187: error: for each function it appears in.)<br>copmpi.c:187: error: expected ‘;’ before ‘status’<br>copmpi.c:189: error: ‘MPI_COMM_WORLD’ undeclared (first use in this function)<br>copmpi.c:196: error: ‘MPI_INT’ undeclared (first use in this function)<br>copmpi.c:211: warning: assignment makes integer from pointer without a cast<br>copmpi.c:212: warning: assignment makes integer from pointer without a cast<br>copmpi.c:218: error: ‘MPI_DOUBLE’ undeclared (first use in this function)<br>copmpi.c:224: error: ‘status’ undeclared (first use in this function)<br>copmpi.c:242: error: expected expression before ‘inrast_redchan’<br>copmpi.c:265: error: subscripted value is neither array nor pointer<br>make: *** [OBJ.x86_64-unknown-linux-gnu/copmpi.o] Error 1<br><br><br><span style="font-size: 18px; "><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;">tried</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;">other</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;">scripts</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;">but again <br><span style="font-size: 14px; ">myMPIexample.c:1:69: error: mpi.h: No such file or directory<br></span><br></span></span><br><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">But</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">MPI</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">alone</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">(mpi.h) works</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">.</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">and <gis.h></span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">works</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">alone</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">as well too.</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">That is</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">no problem</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">with libraries</span><span class="" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">.</span><br><br><br><span class="hps" style="background-color: rgb(245, 245, 245); color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"><span style="font-size: 18px; "><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;">how can I</span><span style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;"> </span><span class="hps" style="color: rgb(51, 51, 51); font-family: arial, sans-serif; background-color: rgb(245, 245, 245); " data-mce-style="color: #333333; font-family: arial, sans-serif; background-color: #f5f5f5;">solve this problem???</span></span></span><span style="background-color: rgb(245, 245, 245); color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="background-color: rgb(245, 245, 245); color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">and what to do</span><span class="" style="background-color: rgb(245, 245, 245); color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">?</span><span style="background-color: rgb(245, 245, 245); color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="background-color: rgb(245, 245, 245); color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">help me</span><span style="background-color: rgb(245, 245, 245); color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"> </span><span class="hps" style="background-color: rgb(245, 245, 245); color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; " data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;"><span class="hps" data-mce-style="color: #333333; font-family: arial, sans-serif; font-size: 16px; background-color: #f5f5f5;">please. Thank you !!!</span></span><br><br></p></BODY></HTML>