[Maxima-commits] [git] Maxima CAS branch master updated. branch-5_49-base-507-g83e21abcc

[peterpall <pet...@us...>]

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The branch, master has been updated
       via  83e21abcc8f3959879ab27ae8ae1c5d73ca1965e (commit)
       via  e6e77d842e70adab201bb96f2a2d4416dfca2350 (commit)
       via  994d45504f04124f11bf137c75a0976202296cc2 (commit)
      from  5f680f4fdbc1c0afd21107d92553f601a8d66caf (commit)

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- Log -----------------------------------------------------------------
commit 83e21abcc8f3959879ab27ae8ae1c5d73ca1965e
Author: Gunter Königsmann <gu...@pe...>
Date:   Wed May 13 13:03:08 2026 +0200

    wrstcse: Update the wc_distrib2rssparams test
    
    The test suite still expected the result of the buggy function.

diff --git a/share/contrib/rtest_wrstcse.mac b/share/contrib/rtest_wrstcse.mac
index 3f4bc7752..1f9f2e1e2 100644
--- a/share/contrib/rtest_wrstcse.mac
+++ b/share/contrib/rtest_wrstcse.mac
@@ -159,7 +159,7 @@ wc_ewc_simplify(5*(abs(tol[1])+tol[1])-5*(tol[1]-abs(tol[1]))+tol[2]);
 5*(abs(tol[1])+tol[1])-5*(tol[1]-abs(tol[1]))+tol[2];
 
 wc_distrib2rssparams([1,2,2,1]);
-wc_rssparams(1/3,3/2);
+wc_rssparams(1/sqrt(3),3/2);
 
 vals:[R_1=100*(1+1/100*tol["R1"])*(1+1/100*tol["Temp"]),R_2=200*(1+1/100*tol["R2"])*(1+1/100*tol["Temp"])];
 [R_1 = 100*(tol["R1"]/100+1)*(tol["Temp"]/100+1),

commit e6e77d842e70adab201bb96f2a2d4416dfca2350
Author: Gunter Königsmann <gu...@pe...>
Date:   Wed May 13 13:00:43 2026 +0200

    wrstcse: Avoid recalculating the typical value

diff --git a/share/contrib/wrstcse.mac b/share/contrib/wrstcse.mac
index d932575c4..5d70a4d29 100644
--- a/share/contrib/wrstcse.mac
+++ b/share/contrib/wrstcse.mac
@@ -349,7 +349,7 @@ wc_mintypmax_rss(x,sigmas):=float(block([rssparams:wc_getrssparams(x)],
 wc_mintypmax_rss_percent(x,sigmas):=block([rssparams:wc_getrssparams(x)],
     [
         'min=((rssparams@mu-sigmas*rssparams@sigma)/rssparams@mu-1)*100*"%",
-        'typ=wc_typicalvalues(x),
+        'typ=rssparams@mu,
         'max=((rssparams@mu+sigmas*rssparams@sigma)/rssparams@mu-1)*100*"%",
         Fail=float(1-(erf(sigmas/sqrt(2))))*1e6*"ppm"
     ]

commit 994d45504f04124f11bf137c75a0976202296cc2
Author: Gunter Königsmann <gu...@pe...>
Date:   Wed May 13 12:57:20 2026 +0200

    share/contrib/wrstcse.mac: fix standard deviation calculation in wc_distrib2rssparams
    
    wc_distrib2rssparams previously calculated the sample variance instead of
    the standard deviation when returning RSS parameters. This commit adds the
    missing sqrt() wrapper.

diff --git a/share/contrib/wrstcse.mac b/share/contrib/wrstcse.mac
index 9f7be7eb9..d932575c4 100644
--- a/share/contrib/wrstcse.mac
+++ b/share/contrib/wrstcse.mac
@@ -318,7 +318,7 @@ wc_distrib2rssparams(data):=block([wc_mu,wc_sigma,wc_len],
     wc_len:length(data),
     if wc_len<2 then error("wc_distrib2rssparams: Input data needs to be at least 2 samples long"),
     wc_mu:lsum(i,i,data)/wc_len,
-    wc_sigma:lsum((i-wc_mu)^2,i,data)/(wc_len-1),
+    wc_sigma:sqrt(lsum((i-wc_mu)^2,i,data)/(wc_len-1)),
     return(new(wc_rssparams(wc_sigma,wc_mu)))
 );
 

-----------------------------------------------------------------------

Summary of changes:
 share/contrib/rtest_wrstcse.mac | 2 +-
 share/contrib/wrstcse.mac       | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)


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