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Don't crash if we get 0 data points for small experiments

This commit is contained in:
Ian Goldberg 2022-10-20 11:25:48 -04:00
parent 2818ce67f4
commit efc175b45b
1 changed files with 10 additions and 10 deletions
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20
crates/lox-library/src/tests.rs
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@ -1685,16 +1685,16 @@ fn print_stats_test_results(
resp_time: Vec<f64>, resp_time: Vec<f64>,
resp_handle_time: Vec<f64>, resp_handle_time: Vec<f64>,
) { ) {
let mean_req_size = mean(&req_size); let mean_req_size = if req_size.len() > 0 {mean(&req_size)} else {0.0};
let req_std_dev = if &req_size.len() > &1 {standard_deviation(&req_size, Some(mean_req_size))} else {0.0}; let req_std_dev = if req_size.len() > 1 {standard_deviation(&req_size, Some(mean_req_size))} else {0.0};
let mean_req_time = mean(&req_time); let mean_req_time = if req_time.len() > 0 {mean(&req_time)} else {0.0};
let req_time_std_dev = if &req_time.len() > &1 {standard_deviation(&req_time, Some(mean_req_time))} else {0.0}; let req_time_std_dev = if req_time.len() > 1 {standard_deviation(&req_time, Some(mean_req_time))} else {0.0};
let mean_resp_size = mean(&resp_size); let mean_resp_size = if resp_size.len() > 0 {mean(&resp_size)} else {0.0};
let resp_std_dev = if &resp_size.len() > &1 {standard_deviation(&resp_size, Some(mean_resp_size))} else {0.0}; let resp_std_dev = if resp_size.len() > 1 {standard_deviation(&resp_size, Some(mean_resp_size))} else {0.0};
let mean_resp_time = mean(&resp_time); let mean_resp_time = if resp_time.len() > 0 {mean(&resp_time)} else {0.0};
let resp_time_std_dev = if &resp_time.len() > &1 {standard_deviation(&resp_time, Some(mean_resp_time))} else {0.0}; let resp_time_std_dev = if resp_time.len() > 1 {standard_deviation(&resp_time, Some(mean_resp_time))} else {0.0};
let mean_resp_handle_time = mean(&resp_handle_time); let mean_resp_handle_time = if resp_handle_time.len() > 0 {mean(&resp_handle_time)} else {0.0};
let resp_handle_time_std_dev = if &resp_handle_time.len() > &1 {standard_deviation(&resp_handle_time, Some(mean_resp_handle_time))} else {0.0}; let resp_handle_time_std_dev = if resp_handle_time.len() > 1 {standard_deviation(&resp_handle_time, Some(mean_resp_handle_time))} else {0.0};
println!("Average request size = {} bytes", mean_req_size); println!("Average request size = {} bytes", mean_req_size);
println!("Request size standard deviation = {} bytes", req_std_dev); println!("Request size standard deviation = {} bytes", req_std_dev);