From 05e892619afdab1988053e21e9f0df325d8f276b Mon Sep 17 00:00:00 2001
From: github-actions <github-actions@github.com>
Date: Sun, 19 Jul 2026 22:17:34 +0000
Subject: [PATCH] chore: updating all.sas

---
 all.sas | 68 ++++++++++++++++++++++++---------------------------------
 1 file changed, 28 insertions(+), 40 deletions(-)

diff --git a/all.sas b/all.sas
index 815f3b1..a1e784e 100644
--- a/all.sas
+++ b/all.sas
@@ -2621,9 +2621,12 @@ Usage:
   @brief Returns words that are in both string 1 and string 2
   @details  Compares two space separated strings and returns the words that are
   in both.
+
+  If either string is empty, nothing is returned.
+
   Usage:
 
-      %put %mf_wordsInStr1andStr2(
+      %put %mf_wordsinstr1andstr2(
         Str1=blah sss blaaah brah bram boo
         ,Str2=   blah blaaah brah ssss
       );
@@ -2641,34 +2644,26 @@ Usage:
 
 **/
 
-%macro mf_wordsInStr1andStr2(
+%macro mf_wordsinstr1andstr2(
   Str1= /* string containing words to extract */
   ,Str2= /* used to compare with the extract string */
 )/*/STORE SOURCE*/;
 
-%local count_base count_extr i i2 extr_word base_word match outvar;
+%local count_extr i extr_word outvar;
 %if %length(&str1)=0 or %length(&str2)=0 %then %do;
-  %put base string (str1)= &str1;
-  %put compare string (str2) = &str2;
+  %put &sysmacroname: empty input string, nothing to compare;
   %return;
 %end;
-%let count_base=%sysfunc(countw(&Str2));
 %let count_extr=%sysfunc(countw(&Str1));
 
 %do i=1 %to &count_extr;
   %let extr_word=%scan(&Str1,&i,%str( ));
-  %let match=0;
-  %do i2=1 %to &count_base;
-    %let base_word=%scan(&Str2,&i2,%str( ));
-    %if &extr_word=&base_word %then %let match=1;
-  %end;
-  %if &match=1 %then %let outvar=&outvar &extr_word;
+  %if %sysfunc(indexw(%superq(str2),%superq(extr_word)))>0 %then
+    %let outvar=&outvar &extr_word;
 %end;
-
-  &outvar
-
-%mend mf_wordsInStr1andStr2;
-
+/* send out the result without any surrounding whitespace */
+%do;&outvar%end;
+%mend mf_wordsinstr1andstr2;
 /**
   @file
   @brief Returns words that are in string 1 but not in string 2
@@ -2677,9 +2672,12 @@ Usage:
 
   Note - case sensitive!
 
+  If str1 is empty, nothing is returned.  If str2 is empty, all the words in
+  str1 are returned.
+
   Usage:
 
-      %let x= %mf_wordsInStr1ButNotStr2(
+      %let x= %mf_wordsinstr1butnotstr2(
         Str1=blah sss blaaah brah bram boo
         ,Str2=   blah blaaah brah ssss
       );
@@ -2695,34 +2693,26 @@ Usage:
 
 **/
 
-%macro mf_wordsInStr1ButNotStr2(
+%macro mf_wordsinstr1butnotstr2(
   Str1= /* string containing words to extract */
   ,Str2= /* used to compare with the extract string */
 )/*/STORE SOURCE*/;
 
-%local count_base count_extr i i2 extr_word base_word match outvar;
-%if %length(&str1)=0 or %length(&str2)=0 %then %do;
-  %put base string (str1)= &str1;
-  %put compare string (str2) = &str2;
+%local count_extr i extr_word outvar;
+%if %length(&str1)=0 %then %do;
+  %put &sysmacroname: str1 is empty, nothing to compare;
   %return;
 %end;
-%let count_base=%sysfunc(countw(&Str2));
 %let count_extr=%sysfunc(countw(&Str1));
 
 %do i=1 %to &count_extr;
   %let extr_word=%scan(&Str1,&i,%str( ));
-  %let match=0;
-  %do i2=1 %to &count_base;
-    %let base_word=%scan(&Str2,&i2,%str( ));
-    %if &extr_word=&base_word %then %let match=1;
-  %end;
-  %if &match=0 %then %let outvar=&outvar &extr_word;
+  %if %sysfunc(indexw(%superq(str2),%superq(extr_word)))=0 %then
+    %let outvar=&outvar &extr_word;
 %end;
-
-  &outvar
-
-%mend mf_wordsInStr1ButNotStr2;
-
+/* send out the result without any surrounding whitespace */
+%do;&outvar%end;
+%mend mf_wordsinstr1butnotstr2;
 /**
   @file
   @brief Creates a text file using pure macro
@@ -12372,12 +12362,10 @@ run;
       /*
         multiply-by-one for consistent cross-system precision.
         Ignore null to protect SAS special missing values.
+        Cannot use IFN() as it evaluates both sides
       */
-      &normal = ifn(
-        missing(&nums[&i]),
-        &nums[&i],
-        &nums[&i] * 1
-      );
+      if missing(&nums[&i]) then &normal = &nums[&i];
+      else &normal = &nums[&i] * 1;
       &numtext = put(&normal, binary64.);
       &digest = md5(trim(&numtext));
       substr(&pair,  1, 16) = &state;