[sparse] Improve tool to solve with a matrix-market file

cpmech · Sep 5, 2023 · d53c15d · d53c15d
1 parent e36848d
commit d53c15d
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diff --git a/russell_sparse/README.md b/russell_sparse/README.md
@@ -136,7 +136,7 @@ The data directory contains an example of Matrix Market file named `bfwb62.mtx`
 Run the command:
 
 ```bash
-cargo run --release --bin solve_mm_build -- data/matrix_market/bfwb62.mtx
+cargo run --release --bin solve_mm_build -- ~/Downloads/matrix-market/bfwb62.mtx
 ```
 
 Or

diff --git a/russell_sparse/src/bin/solve_mm_build.rs b/russell_sparse/src/bin/solve_mm_build.rs
@@ -136,12 +136,12 @@ fn main() -> Result<(), StrError> {
 
     // check
     if path.ends_with("bfwb62.mtx") {
-        let tolerance = if opt.mmp { 1e-10 } else { 1e-15 };
+        let tolerance = if opt.mmp { 1e-10 } else { 1e-11 };
         let correct_x = get_bfwb62_correct_x();
         for i in 0..neq {
             let diff = f64::abs(x.get(i) - correct_x.get(i));
             if diff > tolerance {
-                println!("ERROR: diff({}) = {}", i, diff);
+                println!("ERROR: diff({}) = {:.2e}", i, diff);
             }
         }
     }