lower limits in pscmp/pscglob.h, added note to readme

README.md

@@ -29,3 +29,20 @@ autoreconf -i   # only if 'configure' script is missing
 make
 sudo make install
 ```
+
+# To run PSCMP with more receivers/source points
+
+1. Choose larger values for `NPSMAX` and `NRECMAX` in `src/pscmp/pscglob.h`,
+   e.g.:
+   ```
+       parameter(NPSMAX=100000)
+       parameter(NRECMAX=40000)
+   ```
+
+2. Recompile with `-mcmodel=medium`:
+   ```
+   ./configure FFLAGS=-mcmodel=medium
+   make clean
+   make
+   sudo make install
+   ```

configure.ac

@@ -11,5 +11,5 @@ AC_CONFIG_FILES([
                  src/pscmp/Makefile
                  ])
 
-AC_SUBST([AM_FFLAGS], [-mcmodel=medium])
+AC_SUBST([AM_FFLAGS], [])
 AC_OUTPUT

src/pscmp/pscglob.h

@@ -17,8 +17,8 @@ c~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 	  integer NPSMAX,NRECMAX,NTMAX,NTRMAX,NSCMAX
       parameter(NZSMAX=100,NRMAX=1000)
       parameter(NEQMAX=20,NSMAX=5000,NPTCHMAX=1000)
-	  parameter(NPSMAX=100000)
-      parameter(NRECMAX=40000)
+	  parameter(NPSMAX=20000)
+      parameter(NRECMAX=10000)
       parameter(NTMAX=1024,NTRMAX=1024)
       parameter(NSCMAX=NTRMAX/2)
 c~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~