src/Graphics/ffglut.cpp:439: error: DEAD_STORE The value written to &i1 (type int) is never used. Showing all 1 steps of the trace src/Graphics/ffglut.cpp:439:8: Write of unused value 437. 438. //glColor3d(r,g,b); 439. int i0= Th(K[0]), i1= Th(K[1]), i2= Th(K[2]) ; ^ 440. glVertex3d(K[0].x,K[0].y,z2); 441. glVertex3d(K[1].x,K[1].y,z2);