06 October 2025 01:15:41 AM product_rule(): C version Create a multidimensional product rule as a product of distinct 1D integration rules. PRODUCT_RULE: Enter the name of the file listing the factors. PRODUCT_RULE: Enter the filename prefix for the output. 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_rule(): Normal end of execution. 06 October 2025 01:15:41 AM