QUAD2D_OPENMP: C++/OpenMP version Estimate the integral of f(x,y) over [0,1]x[0,1]. f(x,y) = 1 / ( 1 - x * y ). A = 0 B = 1 NX = 32768 NY = 32768 N = 1073741824 Exact = 1.644934066848226 Estimate = 1.644918809012695 Error = 1.525783553146809e-05 Time = 22.58894020499974 QUAD_OPENMP: Normal end of execution. QUAD2D_OPENMP: C++/OpenMP version Estimate the integral of f(x,y) over [0,1]x[0,1]. f(x,y) = 1 / ( 1 - x * y ). A = 0 B = 1 NX = 32768 NY = 32768 N = 1073741824 Exact = 1.644934066848226 Estimate = 1.644918809014846 Error = 1.525783338029996e-05 Time = 11.6324572070007 QUAD_OPENMP: Normal end of execution. QUAD2D_OPENMP: C++/OpenMP version Estimate the integral of f(x,y) over [0,1]x[0,1]. f(x,y) = 1 / ( 1 - x * y ). A = 0 B = 1 NX = 32768 NY = 32768 N = 1073741824 Exact = 1.644934066848226 Estimate = 1.644918809014969 Error = 1.525783325773133e-05 Time = 6.116000531999816 QUAD_OPENMP: Normal end of execution. QUAD2D_OPENMP: C++/OpenMP version Estimate the integral of f(x,y) over [0,1]x[0,1]. f(x,y) = 1 / ( 1 - x * y ). A = 0 B = 1 NX = 32768 NY = 32768 N = 1073741824 Exact = 1.644934066848226 Estimate = 1.644918809014243 Error = 1.52578339833731e-05 Time = 3.226130503000604 QUAD_OPENMP: Normal end of execution.