March 31 2023 8:24:03.821 PM PRODUCT_RULE() FORTRAN90 version Create a multidimensional product rule as a product of distinct 1D integration rules. Number of points in 1D rule = 3 Number of points in 1D rule = 2 Creating product quadrature rule X file = "ccgl_d2_o3x2_x.txt". Creating product quadrature rule W file = "ccgl_d2_o3x2_w.txt". Creating product quadrature rule R file = "ccgl_d2_o3x2_r.txt". PRODUCT_RULES: Normal end of execution. March 31 2023 8:24:03.822 PM