06 October 2025 01:07:09 AM histogram_data_2d_sample(): C version Generate sample data using a discrete PDF. TEST01 Consider data skewed toward the upper left corner of the unit square. Generate 1000 samples PDF data is on a 20 by 20 grid. PDF data sums to 2.8823 Wrote sample data to file "test01.txt". TEST02 Consider data suggested by the shape and density of Iowa. Generate 1000 samples PDF data is on a 12 by 8 grid. PDF data sums to 3200 Wrote sample data to file "test02.txt". histogram_data_2d_sample(): Normal end of execution. 06 October 2025 01:07:09 AM