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Fix single precision deriv test fail

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This commit is contained in:
Peter Boyle 2019-07-19 10:47:44 +01:00
parent c3d0c176ab
commit ff325376cb
1 changed files with 2 additions and 8 deletions
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10
tests/forces/Test_rect_force.cc
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@ -73,7 +73,7 @@ int main (int argc, char ** argv)
////////////////////////////////////
// Modify the gauge field a little
////////////////////////////////////
RealD dt = 0.0001;
RealD dt = 0.002;
LatticeColourMatrix mommu(&Grid);
LatticeColourMatrix forcemu(&Grid);
@ -88,13 +88,7 @@ int main (int argc, char ** argv)
// fourth order exponential approx
parallel_for(auto i=mom.begin();i<mom.end();i++){ // exp(pmu dt) * Umu
Uprime[i](mu) = U[i](mu) + mom[i](mu)*U[i](mu)*dt
+ mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt/2.0)
+ mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt/6.0)
+ mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt*dt/24.0)
+ mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt*dt*dt/120.0)
+ mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *mom[i](mu) *U[i](mu)*(dt*dt*dt*dt*dt*dt/720.0);
Uprime[i](mu) = U[i](mu) + mom[i](mu)*U[i](mu)*dt ;
}
}