Index: trunk/psModules/src/objects/models/pmModel_PGAUSS.c
===================================================================
--- trunk/psModules/src/objects/models/pmModel_PGAUSS.c	(revision 9557)
+++ trunk/psModules/src/objects/models/pmModel_PGAUSS.c	(revision 9558)
@@ -114,7 +114,7 @@
     float f1, f2;
     for (z = DZ; z < 50; z += DZ) {
-        f1 = 1.0 / (1 + PAR[7]*z + pow(z, 2.25));
+        f1 = 1.0 / (1 + z + z*z/2.0 + z*z*z/6.0);
         z += DZ;
-        f2 = 1.0 / (1 + PAR[7]*z + pow(z, 2.25));
+        f2 = 1.0 / (1 + z + z*z/2.0 + z*z*z/6.0);
         norm += f0 + 4*f1 + f2;
         f0 = f2;
@@ -159,5 +159,4 @@
     for (int i = 4; i < 7; i++) {
         psPolynomial2D *poly = psf->params->data[i-4];
-        // XXX: Verify this (from EAM change)
         out[i] = psPolynomial2DEval(poly, out[2], out[3]);
     }