+improved support for dp

2014-02-02 18:51:17 +01:00
parent 796942e6fa
commit 92e69c8197
2 changed files with 4 additions and 4 deletions
--- a/examples_ptx/nbody/nbody.cu
+++ b/examples_ptx/nbody/nbody.cu
@@ -118,7 +118,7 @@ void computeForces(
          const real    dy  = jposy - iposy; 
          const real    dz  = jposz - iposz; 
          const real    r2  = dx*dx + dy*dy + dz*dz; 
-          const real  rinv  = r2 > 0.0 ? rsqrt((float)r2) : 0; 
+          const real  rinv  = r2 > 0.0 ? 1.0/sqrt(r2) : 0; 
          const real mrinv  = -jmass * rinv; 
          const real mrinv3 = mrinv * rinv*rinv; 
          iaccx += mrinv3 * dx;