vendor/bc: upgrade to version 6.7.2vendor/bc/6.7.2

This update improves the implementation of the power function p() and
adds 3 new functions to the extended math library: min(), max(), and
i2rand().

31 files changed, 1390 insertions, 82 deletions

diff --git a/Makefile.in b/Makefile.in
index 55e2e4a6270a..e1309cd6d6b3 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -554,7 +554,7 @@ clean_config: clean clean_benchmarks
 clean_coverage:
 	@printf 'Cleaning coverage files...\n'
 	@$(RM) -f *.gcov
-	@$(RM) -f *.html
+	@$(RM) -f *.html *.css
 	@$(RM) -f *.gcda *.gcno
 	@$(RM) -f *.profraw
 	@$(RM) -f $(GCDA) $(GCNO)
diff --git a/NEWS.md b/NEWS.md
index de3b35026fea..d4b160d74d35 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,27 @@
 # News
 
+## 6.7.2
+
+This is a production release to remove some debugging code that I accidentally
+committed.
+
+## 6.7.1
+
+This is a production release with a bug fix for `SIGINT` only being handled
+once.
+
+## 6.7.0
+
+This is a production release with three new functions in the [extended math
+library][16]: `min()`, `max()`, and `i2rand()`.
+
+## 6.6.1
+
+This is a production release with an improved `p()` function in the [extended
+math library][16].
+
+Users who don't care do not need to upgrade.
+
 ## 6.6.0
 
 This is a production release with two bug fixes and one change.
diff --git a/configure.sh b/configure.sh
index 4ba957131d52..35d55058f8f1 100755
--- a/configure.sh
+++ b/configure.sh
@@ -1364,13 +1364,7 @@ if [ "$debug" -eq 1 ]; then
 		CFLAGS="-O0"
 	fi
 
-	ccbase=$(basename "$CC")
-
-	if [ "$ccbase" = "clang" ]; then
-		CFLAGS="-gdwarf-4 $CFLAGS"
-	else
-		CFLAGS="-g $CFLAGS"
-	fi
+	CFLAGS="-g $CFLAGS"
 
 else
 
diff --git a/gen/lib2.bc b/gen/lib2.bc
index ba3f76b1803a..df51d0c07a8d 100644
--- a/gen/lib2.bc
+++ b/gen/lib2.bc
@@ -34,10 +34,34 @@
  */
 
 define p(x,y){
-	auto a
+	auto a,i,s,z
+	if(y==0)return 1@scale
+	if(x==0){
+		if(y>0)return 0
+		return 1/0
+	}
 	a=y$
 	if(y==a)return(x^a)@scale
-	return e(y*l(x))
+	z=0
+	if(x<1){
+		y=-y
+		a=-a
+		z=x
+		x=1/x
+	}
+	if(y<0){
+		return e(y*l(x))
+	}
+	i=x^a
+	s=scale
+	scale+=length(i)+5
+	if(z){
+		x=1/z
+		i=x^a
+	}
+	i*=e((y-a)*l(x))
+	scale=s
+	return i@scale
 }
 define r(x,p){
 	auto t,n
@@ -66,6 +90,14 @@ define f(n){
 	for(r=1;n>1;--n)r*=n
 	return r
 }
+define max(a,b){
+	if(a>b)return a
+	return b
+}
+define min(a,b){
+	if(a<b)return a
+	return b
+}
 define perm(n,k){
 	auto f,g,s
 	if(k>n)return 0
@@ -242,6 +274,15 @@ define frand(p){
 	return irand(A^p)>>p
 }
 define ifrand(i,p){return irand(abs(i)$)+frand(p)}
+define i2rand(a,b){
+	auto n,x
+	a=a$
+	b=b$
+	if(a==b)return a
+	n=min(a,b)
+	x=max(a,b)
+	return irand(x-n+1)+n
+}
 define srand(x){
 	if(irand(2))return -x
 	return x
diff --git a/include/bcl.h b/include/bcl.h
index 0908e215182c..d3a9f42cdcf8 100644
--- a/include/bcl.h
+++ b/include/bcl.h
@@ -36,9 +36,6 @@
 #ifndef BC_BCL_H
 #define BC_BCL_H
 
-// TODO: Add a generation index when building with Valgrind to check for
-// use-after-free's or double frees.
-
 #include <stdbool.h>
 #include <stdlib.h>
 #include <limits.h>
diff --git a/include/version.h b/include/version.h
index a4df383e284a..1cd13e9878c1 100644
--- a/include/version.h
+++ b/include/version.h
@@ -37,6 +37,6 @@
 #define BC_VERSION_H
 
 /// The current version.
-#define VERSION 6.6.0
+#define VERSION 6.7.2
 
 #endif // BC_VERSION_H
diff --git a/manuals/algorithms.md b/manuals/algorithms.md
index 4d7a0edc54c4..ce27bf026b69 100644
--- a/manuals/algorithms.md
+++ b/manuals/algorithms.md
@@ -193,6 +193,74 @@ The algorithm used is to use the formula `e(y*l(x))`.
 
 It has a complexity of `O(n^3)` because both `e()` and `l()` do.
 
+However, there are details to this algorithm, described by the author,
+TediusTimmy, in GitHub issue [#69][12].
+
+First, check if the exponent is 0. If it is, return 1 at the appropriate
+`scale`.
+
+Next, check if the number is 0. If so, check if the exponent is greater than
+zero; if it is, return 0. If the exponent is less than 0, error (with a divide
+by 0) because that is undefined.
+
+Next, check if the exponent is actually an integer, and if it is, use the
+exponentiation operator.
+
+At the `z=0` line is the start of the meat of the new code.
+
+`z` is set to zero as a flag and as a value. What I mean by that will be clear
+later.
+
+Then we check if the number is less than 0. If it is, we negate the exponent
+(and the integer version of the exponent, which we calculated earlier to check
+if it was an integer). We also save the number in `z`; being non-zero is a flag
+for later and a value to be used. Then we store the reciprocal of the number in
+itself.
+
+All of the above paragraph will not make sense unless you remember the
+relationship `l(x) == -l(1/x)`; we negated the exponent, which is equivalent to
+the negative sign in that relationship, and we took the reciprocal of the
+number, which is equivalent to the reciprocal in the relationship.
+
+But what if the number is negative? We ignore that for now because we eventually
+call `l(x)`, which will raise an error if `x` is negative.
+
+Now, we can keep going.
+
+If at this point, the exponent is negative, we need to use the original formula
+(`e(y * l(x))`) and return that result because the result will go to zero
+anyway.
+
+But if we did *not* return, we know the exponent is *not* negative, so we can
+get clever.
+
+We then compute the integral portion of the power by computing the number to
+power of the integral portion of the exponent.
+
+Then we have the most clever trick: we add the length of that integer power (and
+a little extra) to the `scale`. Why? Because this will ensure that the next part
+is calculated to at least as many digits as should be in the integer *plus* any
+extra `scale` that was wanted.
+
+Then we check `z`, which, if it is not zero, is the original value of the
+number. If it is not zero, we need to take the take the reciprocal *again*
+because now we have the correct `scale`. And we *also* have to calculate the
+integer portion of the power again.
+
+Then we need to calculate the fractional portion of the number. We do this by
+using the original formula, but we instead of calculating `e(y * l(x))`, we
+calculate `e((y - a) * l(x))`, where `a` is the integer portion of `y`. It's
+easy to see that `y - a` will be just the fractional portion of `y` (the
+exponent), so this makes sense.
+
+But then we *multiply* it into the integer portion of the power. Why? Because
+remember: we're dealing with an exponent and a power; the relationship is
+`x^(y+z) == (x^y)*(x^z)`.
+
+So we multiply it into the integer portion of the power.
+
+Finally, we set the result to the `scale`.
+
 ### Rounding (`bc` Math Library 2 Only)
 
 This is implemented in the function `r(x,p)`.
@@ -327,3 +395,4 @@ It has a complexity of `O(n^3)` because of arctangent.
 [9]: https://en.wikipedia.org/wiki/Root-finding_algorithms#Newton's_method_(and_similar_derivative-based_methods)
 [10]: https://en.wikipedia.org/wiki/Euclidean_algorithm
 [11]: https://en.wikipedia.org/wiki/Atan2#Definition_and_computation
+[12]: https://github.com/gavinhoward/bc/issues/69
diff --git a/manuals/bc/A.1 b/manuals/bc/A.1
index 5de2d3529bcf..fc75b5c70ac3 100644
--- a/manuals/bc/A.1
+++ b/manuals/bc/A.1
@@ -1357,8 +1357,7 @@ Any non-string expression in a print statement shall be assigned to
 \f[B]last\f[R], like any other expression that is printed.
 .SS Stream Statement
 .PP
-The \[lq]expressions in a \f[B]stream\f[R] statement may also be
-strings.
+The expressions in a \f[B]stream\f[R] statement may also be strings.
 .PP
 If a \f[B]stream\f[R] statement is given a string, it prints the string
 as though the string had appeared as its own statement.
@@ -1579,6 +1578,14 @@ the rounding mode round away from \f[B]0\f[R]
 \f[B]f(x)\f[R]
 Returns the factorial of the truncated absolute value of \f[B]x\f[R].
 .TP
+\f[B]max(a, b)\f[R]
+Returns \f[B]a\f[R] if \f[B]a\f[R] is greater than \f[B]b\f[R];
+otherwise, returns \f[B]b\f[R].
+.TP
+\f[B]min(a, b)\f[R]
+Returns \f[B]a\f[R] if \f[B]a\f[R] is less than \f[B]b\f[R]; otherwise,
+returns \f[B]b\f[R].
+.TP
 \f[B]perm(n, k)\f[R]
 Returns the permutation of the truncated absolute value of \f[B]n\f[R]
 of the truncated absolute value of \f[B]k\f[R], if \f[B]k <= n\f[R].
@@ -1589,6 +1596,10 @@ Returns the combination of the truncated absolute value of \f[B]n\f[R]
 of the truncated absolute value of \f[B]k\f[R], if \f[B]k <= n\f[R].
 If not, it returns \f[B]0\f[R].
 .TP
+\f[B]fib(n)\f[R]
+Returns the Fibonacci number of the truncated absolute value of
+\f[B]n\f[R].
+.TP
 \f[B]l2(x)\f[R]
 Returns the logarithm base \f[B]2\f[R] of \f[B]x\f[R].
 .RS
@@ -1759,7 +1770,7 @@ Functions\f[R] subsection below).
 .RE
 .TP
 \f[B]frand(p)\f[R]
-Generates a pseudo-random number between \f[B]0\f[R] (inclusive) and
+Generates a pseudo-random integer between \f[B]0\f[R] (inclusive) and
 \f[B]1\f[R] (exclusive) with the number of decimal digits after the
 decimal point equal to the truncated absolute value of \f[B]p\f[R].
 If \f[B]p\f[R] is not \f[B]0\f[R], then calling this function will
@@ -1768,14 +1779,22 @@ If \f[B]p\f[R] is \f[B]0\f[R], then \f[B]0\f[R] is returned, and
 \f[B]seed\f[R] is \f[I]not\f[R] changed.
 .TP
 \f[B]ifrand(i, p)\f[R]
-Generates a pseudo-random number that is between \f[B]0\f[R] (inclusive)
-and the truncated absolute value of \f[B]i\f[R] (exclusive) with the
-number of decimal digits after the decimal point equal to the truncated
-absolute value of \f[B]p\f[R].
+Generates a pseudo-random integer that is between \f[B]0\f[R]
+(inclusive) and the truncated absolute value of \f[B]i\f[R] (exclusive)
+with the number of decimal digits after the decimal point equal to the
+truncated absolute value of \f[B]p\f[R].
 If the absolute value of \f[B]i\f[R] is greater than or equal to
 \f[B]2\f[R], and \f[B]p\f[R] is not \f[B]0\f[R], then calling this
 function will change the value of \f[B]seed\f[R]; otherwise, \f[B]0\f[R]
-is returned and \f[B]seed\f[R] is not changed.
+is returned, and \f[B]seed\f[R] is not changed.
+.TP
+\f[B]i2rand(a, b)\f[R]
+Takes the truncated value of \f[B]a\f[R] and \f[B]b\f[R] and uses them
+as inclusive bounds to enerate a pseudo-random integer.
+If the difference of the truncated values of \f[B]a\f[R] and \f[B]b\f[R]
+is \f[B]0\f[R], then the truncated value is returned, and \f[B]seed\f[R]
+is \f[I]not\f[R] changed.
+Otherwise, this function will change the value of \f[B]seed\f[R].
 .TP
 \f[B]srand(x)\f[R]
 Returns \f[B]x\f[R] with its sign flipped with probability
diff --git a/manuals/bc/A.1.md b/manuals/bc/A.1.md
index 3f34f451c9ed..3e593e16b481 100644
--- a/manuals/bc/A.1.md
+++ b/manuals/bc/A.1.md
@@ -1068,7 +1068,7 @@ like any other expression that is printed.
 
 ## Stream Statement
 
-The "expressions in a **stream** statement may also be strings.
+The expressions in a **stream** statement may also be strings.
 
 If a **stream** statement is given a string, it prints the string as though the
 string had appeared as its own statement. In other words, the **stream**
@@ -1259,6 +1259,14 @@ The extended library is a **non-portable extension**.
 
 :   Returns the factorial of the truncated absolute value of **x**.
 
+**max(a, b)**
+
+:   Returns **a** if **a** is greater than **b**; otherwise, returns **b**.
+
+**min(a, b)**
+
+:   Returns **a** if **a** is less than **b**; otherwise, returns **b**.
+
 **perm(n, k)**
 
 :   Returns the permutation of the truncated absolute value of **n** of the
@@ -1269,6 +1277,10 @@ The extended library is a **non-portable extension**.
 :   Returns the combination of the truncated absolute value of **n** of the
     truncated absolute value of **k**, if **k \<= n**. If not, it returns **0**.
 
+**fib(n)**
+
+:   Returns the Fibonacci number of the truncated absolute value of **n**.
+
 **l2(x)**
 
 :   Returns the logarithm base **2** of **x**.
@@ -1418,7 +1430,7 @@ The extended library is a **non-portable extension**.
 
 **frand(p)**
 
-:   Generates a pseudo-random number between **0** (inclusive) and **1**
+:   Generates a pseudo-random integer between **0** (inclusive) and **1**
     (exclusive) with the number of decimal digits after the decimal point equal
     to the truncated absolute value of **p**. If **p** is not **0**, then
     calling this function will change the value of **seed**. If **p** is **0**,
@@ -1426,12 +1438,20 @@ The extended library is a **non-portable extension**.
 
 **ifrand(i, p)**
 
-:   Generates a pseudo-random number that is between **0** (inclusive) and the
+:   Generates a pseudo-random integer that is between **0** (inclusive) and the
     truncated absolute value of **i** (exclusive) with the number of decimal
     digits after the decimal point equal to the truncated absolute value of
     **p**. If the absolute value of **i** is greater than or equal to **2**, and
     **p** is not **0**, then calling this function will change the value of
-    **seed**; otherwise, **0** is returned and **seed** is not changed.
+    **seed**; otherwise, **0** is returned, and **seed** is not changed.
+
+**i2rand(a, b)**
+
+:   Takes the truncated value of **a** and **b** and uses them as inclusive
+    bounds to enerate a pseudo-random integer. If the difference of the
+    truncated values of **a** and **b** is **0**, then the truncated value is
+    returned, and **seed** is *not* changed. Otherwise, this function will
+    change the value of **seed**.
 
 **srand(x)**
 
diff --git a/manuals/bc/E.1 b/manuals/bc/E.1
index ecb8b128712a..24f49c701b46 100644
--- a/manuals/bc/E.1
+++ b/manuals/bc/E.1
@@ -1122,8 +1122,7 @@ Any non-string expression in a print statement shall be assigned to
 \f[B]last\f[R], like any other expression that is printed.
 .SS Stream Statement
 .PP
-The \[lq]expressions in a \f[B]stream\f[R] statement may also be
-strings.
+The expressions in a \f[B]stream\f[R] statement may also be strings.
 .PP
 If a \f[B]stream\f[R] statement is given a string, it prints the string
 as though the string had appeared as its own statement.
diff --git a/manuals/bc/E.1.md b/manuals/bc/E.1.md
index 5411dcf6cc70..b5d77d2c76b2 100644
--- a/manuals/bc/E.1.md
+++ b/manuals/bc/E.1.md
@@ -892,7 +892,7 @@ like any other expression that is printed.
 
 ## Stream Statement
 
-The "expressions in a **stream** statement may also be strings.
+The expressions in a **stream** statement may also be strings.
 
 If a **stream** statement is given a string, it prints the string as though the
 string had appeared as its own statement. In other words, the **stream**
diff --git a/manuals/bc/EH.1 b/manuals/bc/EH.1
index 507e7f4a9a7a..35672fe5c4e6 100644
--- a/manuals/bc/EH.1
+++ b/manuals/bc/EH.1
@@ -1122,8 +1122,7 @@ Any non-string expression in a print statement shall be assigned to
 \f[B]last\f[R], like any other expression that is printed.
 .SS Stream Statement
 .PP
-The \[lq]expressions in a \f[B]stream\f[R] statement may also be
-strings.
+The expressions in a \f[B]stream\f[R] statement may also be strings.
 .PP
 If a \f[B]stream\f[R] statement is given a string, it prints the string
 as though the string had appeared as its own statement.
diff --git a/manuals/bc/EH.1.md b/manuals/bc/EH.1.md
index 6f4c43263003..a8a42b06be2e 100644
--- a/manuals/bc/EH.1.md
+++ b/manuals/bc/EH.1.md
@@ -892,7 +892,7 @@ like any other expression that is printed.
 
 ## Stream Statement
 
-The "expressions in a **stream** statement may also be strings.
+The expressions in a **stream** statement may also be strings.
 
 If a **stream** statement is given a string, it prints the string as though the
 string had appeared as its own statement. In other words, the **stream**
diff --git a/manuals/bc/EHN.1 b/manuals/bc/EHN.1
index e00fcd578b1c..72790726a4f4 100644
--- a/manuals/bc/EHN.1
+++ b/manuals/bc/EHN.1
@@ -1122,8 +1122,7 @@ Any non-string expression in a print statement shall be assigned to
 \f[B]last\f[R], like any other expression that is printed.
 .SS Stream Statement
 .PP
-The \[lq]expressions in a \f[B]stream\f[R] statement may also be
-strings.
+The expressions in a \f[B]stream\f[R] statement may also be strings.
 .PP
 If a \f[B]stream\f[R] statement is given a string, it prints the string
 as though the string had appeared as its own statement.
diff --git a/manuals/bc/EHN.1.md b/manuals/bc/EHN.1.md
index 6f7a33210205..a38767eb0101 100644
--- a/manuals/bc/EHN.1.md
+++ b/manuals/bc/EHN.1.md
@@ -892,7 +892,7 @@ like any other expression that is printed.
 
 ## Stream Statement
 
-The "expressions in a **stream** statement may also be strings.
+The expressions in a **stream** statement may also be strings.
 
 If a **stream** statement is given a string, it prints the string as though the
 string had appeared as its own statement. In other words, the **stream**
diff --git a/manuals/bc/EN.1 b/manuals/bc/EN.1
index ea842eac7e97..a972005515a6 100644
--- a/manuals/bc/EN.1
+++ b/manuals/bc/EN.1
@@ -1122,8 +1122,7 @@ Any non-string expression in a print statement shall be assigned to
 \f[B]last\f[R], like any other expression that is printed.
 .SS Stream Statement
 .PP
-The \[lq]expressions in a \f[B]stream\f[R] statement may also be
-strings.
+The expressions in a \f[B]stream\f[R] statement may also be strings.
 .PP
 If a \f[B]stream\f[R] statement is given a string, it prints the string
 as though the string had appeared as its own statement.
diff --git a/manuals/bc/EN.1.md b/manuals/bc/EN.1.md
index 189193bf2a03..1c8e855e6f59 100644
--- a/manuals/bc/EN.1.md
+++ b/manuals/bc/EN.1.md
@@ -892,7 +892,7 @@ like any other expression that is printed.
 
 ## Stream Statement
 
-The "expressions in a **stream** statement may also be strings.
+The expressions in a **stream** statement may also be strings.
 
 If a **stream** statement is given a string, it prints the string as though the
 string had appeared as its own statement. In other words, the **stream**
diff --git a/manuals/bc/H.1 b/manuals/bc/H.1
index d477dc8ab24b..a26aee4f2d11 100644
--- a/manuals/bc/H.1
+++ b/manuals/bc/H.1
@@ -1357,8 +1357,7 @@ Any non-string expression in a print statement shall be assigned to
 \f[B]last\f[R], like any other expression that is printed.
 .SS Stream Statement
 .PP
-The \[lq]expressions in a \f[B]stream\f[R] statement may also be
-strings.
+The expressions in a \f[B]stream\f[R] statement may also be strings.
 .PP
 If a \f[B]stream\f[R] statement is given a string, it prints the string
 as though the string had appeared as its own statement.
@@ -1579,6 +1578,14 @@ the rounding mode round away from \f[B]0\f[R]
 \f[B]f(x)\f[R]
 Returns the factorial of the truncated absolute value of \f[B]x\f[R].
 .TP
+\f[B]max(a, b)\f[R]
+Returns \f[B]a\f[R] if \f[B]a\f[R] is greater than \f[B]b\f[R];
+otherwise, returns \f[B]b\f[R].
+.TP
+\f[B]min(a, b)\f[R]
+Returns \f[B]a\f[R] if \f[B]a\f[R] is less than \f[B]b\f[R]; otherwise,
+returns \f[B]b\f[R].
+.TP
 \f[B]perm(n, k)\f[R]
 Returns the permutation of the truncated absolute value of \f[B]n\f[R]
 of the truncated absolute value of \f[B]k\f[R], if \f[B]k <= n\f[R].
@@ -1589,6 +1596,10 @@ Returns the combination of the truncated absolute value of \f[B]n\f[R]
 of the truncated absolute value of \f[B]k\f[R], if \f[B]k <= n\f[R].
 If not, it returns \f[B]0\f[R].
 .TP
+\f[B]fib(n)\f[R]
+Returns the Fibonacci number of the truncated absolute value of
+\f[B]n\f[R].
+.TP
 \f[B]l2(x)\f[R]
 Returns the logarithm base \f[B]2\f[R] of \f[B]x\f[R].
 .RS
@@ -1759,7 +1770,7 @@ Functions\f[R] subsection below).
 .RE
 .TP
 \f[B]frand(p)\f[R]
-Generates a pseudo-random number between \f[B]0\f[R] (inclusive) and
+Generates a pseudo-random integer between \f[B]0\f[R] (inclusive) and
 \f[B]1\f[R] (exclusive) with the number of decimal digits after the
 decimal point equal to the truncated absolute value of \f[B]p\f[R].
 If \f[B]p\f[R] is not \f[B]0\f[R], then calling this function will
@@ -1768,14 +1779,22 @@ If \f[B]p\f[R] is \f[B]0\f[R], then \f[B]0\f[R] is returned, and
 \f[B]seed\f[R] is \f[I]not\f[R] changed.
 .TP
 \f[B]ifrand(i, p)\f[R]
-Generates a pseudo-random number that is between \f[B]0\f[R] (inclusive)
-and the truncated absolute value of \f[B]i\f[R] (exclusive) with the
-number of decimal digits after the decimal point equal to the truncated
-absolute value of \f[B]p\f[R].
+Generates a pseudo-random integer that is between \f[B]0\f[R]
+(inclusive) and the truncated absolute value of \f[B]i\f[R] (exclusive)
+with the number of decimal digits after the decimal point equal to the
+truncated absolute value of \f[B]p\f[R].
 If the absolute value of \f[B]i\f[R] is greater than or equal to
 \f[B]2\f[R], and \f[B]p\f[R] is not \f[B]0\f[R], then calling this
 function will change the value of \f[B]seed\f[R]; otherwise, \f[B]0\f[R]
-is returned and \f[B]seed\f[R] is not changed.
+is returned, and \f[B]seed\f[R] is not changed.
+.TP
+\f[B]i2rand(a, b)\f[R]
+Takes the truncated value of \f[B]a\f[R] and \f[B]b\f[R] and uses them
+as inclusive bounds to enerate a pseudo-random integer.
+If the difference of the truncated values of \f[B]a\f[R] and \f[B]b\f[R]
+is \f[B]0\f[R], then the truncated value is returned, and \f[B]seed\f[R]
+is \f[I]not\f[R] changed.
+Otherwise, this function will change the value of \f[B]seed\f[R].
 .TP
 \f[B]srand(x)\f[R]
 Returns \f[B]x\f[R] with its sign flipped with probability
diff --git a/manuals/bc/H.1.md b/manuals/bc/H.1.md
index 2cb0b4eb27cc..24cae156d4c2 100644
--- a/manuals/bc/H.1.md
+++ b/manuals/bc/H.1.md
@@ -1068,7 +1068,7 @@ like any other expression that is printed.
 
 ## Stream Statement
 
-The "expressions in a **stream** statement may also be strings.
+The expressions in a **stream** statement may also be strings.
 
 If a **stream** statement is given a string, it prints the string as though the
 string had appeared as its own statement. In other words, the **stream**
@@ -1259,6 +1259,14 @@ The extended library is a **non-portable extension**.
 
 :   Returns the factorial of the truncated absolute value of **x**.
 
+**max(a, b)**
+
+:   Returns **a** if **a** is greater than **b**; otherwise, returns **b**.
+
+**min(a, b)**
+
+:   Returns **a** if **a** is less than **b**; otherwise, returns **b**.
+
 **perm(n, k)**
 
 :   Returns the permutation of the truncated absolute value of **n** of the
@@ -1269,6 +1277,10 @@ The extended library is a **non-portable extension**.
 :   Returns the combination of the truncated absolute value of **n** of the
     truncated absolute value of **k**, if **k \<= n**. If not, it returns **0**.
 
+**fib(n)**
+
+:   Returns the Fibonacci number of the truncated absolute value of **n**.
+
 **l2(x)**
 
 :   Returns the logarithm base **2** of **x**.
@@ -1418,7 +1430,7 @@ The extended library is a **non-portable extension**.
 
 **frand(p)**
 
-:   Generates a pseudo-random number between **0** (inclusive) and **1**
+:   Generates a pseudo-random integer between **0** (inclusive) and **1**
     (exclusive) with the number of decimal digits after the decimal point equal
     to the truncated absolute value of **p**. If **p** is not **0**, then
     calling this function will change the value of **seed**. If **p** is **0**,
@@ -1426,12 +1438,20 @@ The extended library is a **non-portable extension**.
 
 **ifrand(i, p)**
 
-:   Generates a pseudo-random number that is between **0** (inclusive) and the
+:   Generates a pseudo-random integer that is between **0** (inclusive) and the
     truncated absolute value of **i** (exclusive) with the number of decimal
     digits after the decimal point equal to the truncated absolute value of
     **p**. If the absolute value of **i** is greater than or equal to **2**, and
     **p** is not **0**, then calling this function will change the value of
-    **seed**; otherwise, **0** is returned and **seed** is not changed.
+    **seed**; otherwise, **0** is returned, and **seed** is not changed.
+
+**i2rand(a, b)**
+
+:   Takes the truncated value of **a** and **b** and uses them as inclusive
+    bounds to enerate a pseudo-random integer. If the difference of the
+    truncated values of **a** and **b** is **0**, then the truncated value is
+    returned, and **seed** is *not* changed. Otherwise, this function will
+    change the value of **seed**.
 
 **srand(x)**
 
diff --git a/manuals/bc/HN.1 b/manuals/bc/HN.1
index 10d9621c42ee..3f567180a168 100644
--- a/manuals/bc/HN.1
+++ b/manuals/bc/HN.1
@@ -1357,8 +1357,7 @@ Any non-string expression in a print statement shall be assigned to
 \f[B]last\f[R], like any other expression that is printed.
 .SS Stream Statement
 .PP
-The \[lq]expressions in a \f[B]stream\f[R] statement may also be
-strings.
+The expressions in a \f[B]stream\f[R] statement may also be strings.
 .PP
 If a \f[B]stream\f[R] statement is given a string, it prints the string
 as though the string had appeared as its own statement.
@@ -1579,6 +1578,14 @@ the rounding mode round away from \f[B]0\f[R]
 \f[B]f(x)\f[R]
 Returns the factorial of the truncated absolute value of \f[B]x\f[R].
 .TP
+\f[B]max(a, b)\f[R]
+Returns \f[B]a\f[R] if \f[B]a\f[R] is greater than \f[B]b\f[R];
+otherwise, returns \f[B]b\f[R].
+.TP
+\f[B]min(a, b)\f[R]
+Returns \f[B]a\f[R] if \f[B]a\f[R] is less than \f[B]b\f[R]; otherwise,
+returns \f[B]b\f[R].
+.TP
 \f[B]perm(n, k)\f[R]
 Returns the permutation of the truncated absolute value of \f[B]n\f[R]
 of the truncated absolute value of \f[B]k\f[R], if \f[B]k <= n\f[R].
@@ -1589,6 +1596,10 @@ Returns the combination of the truncated absolute value of \f[B]n\f[R]
 of the truncated absolute value of \f[B]k\f[R], if \f[B]k <= n\f[R].
 If not, it returns \f[B]0\f[R].
 .TP
+\f[B]fib(n)\f[R]
+Returns the Fibonacci number of the truncated absolute value of
+\f[B]n\f[R].
+.TP
 \f[B]l2(x)\f[R]
 Returns the logarithm base \f[B]2\f[R] of \f[B]x\f[R].
 .RS
@@ -1759,7 +1770,7 @@ Functions\f[R] subsection below).
 .RE
 .TP
 \f[B]frand(p)\f[R]
-Generates a pseudo-random number between \f[B]0\f[R] (inclusive) and
+Generates a pseudo-random integer between \f[B]0\f[R] (inclusive) and
 \f[B]1\f[R] (exclusive) with the number of decimal digits after the
 decimal point equal to the truncated absolute value of \f[B]p\f[R].
 If \f[B]p\f[R] is not \f[B]0\f[R], then calling this function will
@@ -1768,14 +1779,22 @@ If \f[B]p\f[R] is \f[B]0\f[R], then \f[B]0\f[R] is returned, and
 \f[B]seed\f[R] is \f[I]not\f[R] changed.
 .TP
 \f[B]ifrand(i, p)\f[R]
-Generates a pseudo-random number that is between \f[B]0\f[R] (inclusive)
-and the truncated absolute value of \f[B]i\f[R] (exclusive) with the
-number of decimal digits after the decimal point equal to the truncated
-absolute value of \f[B]p\f[R].
+Generates a pseudo-random integer that is between \f[B]0\f[R]
+(inclusive) and the truncated absolute value of \f[B]i\f[R] (exclusive)
+with the number of decimal digits after the decimal point equal to the
+truncated absolute value of \f[B]p\f[R].
 If the absolute value of \f[B]i\f[R] is greater than or equal to
 \f[B]2\f[R], and \f[B]p\f[R] is not \f[B]0\f[R], then calling this
 function will change the value of \f[B]seed\f[R]; otherwise, \f[B]0\f[R]
-is returned and \f[B]seed\f[R] is not changed.
+is returned, and \f[B]seed\f[R] is not changed.
+.TP
+\f[B]i2rand(a, b)\f[R]
+Takes the truncated value of \f[B]a\f[R] and \f[B]b\f[R] and uses them
+as inclusive bounds to enerate a pseudo-random integer.
+If the difference of the truncated values of \f[B]a\f[R] and \f[B]b\f[R]
+is \f[B]0\f[R], then the truncated value is returned, and \f[B]seed\f[R]
+is \f[I]not\f[R] changed.
+Otherwise, this function will change the value of \f[B]seed\f[R].
 .TP
 \f[B]srand(x)\f[R]
 Returns \f[B]x\f[R] with its sign flipped with probability
diff --git a/manuals/bc/HN.1.md b/manuals/bc/HN.1.md
index 25f136a21e0a..09ea524d95c2 100644
--- a/manuals/bc/HN.1.md
+++ b/manuals/bc/HN.1.md
@@ -1068,7 +1068,7 @@ like any other expression that is printed.
 
 ## Stream Statement
 
-The "expressions in a **stream** statement may also be strings.
+The expressions in a **stream** statement may also be strings.
 
 If a **stream** statement is given a string, it prints the string as though the
 string had appeared as its own statement. In other words, the **stream**
@@ -1259,6 +1259,14 @@ The extended library is a **non-portable extension**.
 
 :   Returns the factorial of the truncated absolute value of **x**.
 
+**max(a, b)**
+
+:   Returns **a** if **a** is greater than **b**; otherwise, returns **b**.
+
+**min(a, b)**
+
+:   Returns **a** if **a** is less than **b**; otherwise, returns **b**.
+
 **perm(n, k)**
 
 :   Returns the permutation of the truncated absolute value of **n** of the
@@ -1269,6 +1277,10 @@ The extended library is a **non-portable extension**.
 :   Returns the combination of the truncated absolute value of **n** of the
     truncated absolute value of **k**, if **k \<= n**. If not, it returns **0**.
 
+**fib(n)**
+
+:   Returns the Fibonacci number of the truncated absolute value of **n**.
+
 **l2(x)**
 
 :   Returns the logarithm base **2** of **x**.
@@ -1418,7 +1430,7 @@ The extended library is a **non-portable extension**.
 
 **frand(p)**
 
-:   Generates a pseudo-random number between **0** (inclusive) and **1**
+:   Generates a pseudo-random integer between **0** (inclusive) and **1**
     (exclusive) with the number of decimal digits after the decimal point equal
     to the truncated absolute value of **p**. If **p** is not **0**, then
     calling this function will change the value of **seed**. If **p** is **0**,
@@ -1426,12 +1438,20 @@ The extended library is a **non-portable extension**.
 
 **ifrand(i, p)**
 
-:   Generates a pseudo-random number that is between **0** (inclusive) and the
+:   Generates a pseudo-random integer that is between **0** (inclusive) and the
     truncated absolute value of **i** (exclusive) with the number of decimal
     digits after the decimal point equal to the truncated absolute value of
     **p**. If the absolute value of **i** is greater than or equal to **2**, and
     **p** is not **0**, then calling this function will change the value of
-    **seed**; otherwise, **0** is returned and **seed** is not changed.
+    **seed**; otherwise, **0** is returned, and **seed** is not changed.
+
+**i2rand(a, b)**
+
+:   Takes the truncated value of **a** and **b** and uses them as inclusive
+    bounds to enerate a pseudo-random integer. If the difference of the
+    truncated values of **a** and **b** is **0**, then the truncated value is
+    returned, and **seed** is *not* changed. Otherwise, this function will
+    change the value of **seed**.
 
 **srand(x)**
 
diff --git a/manuals/bc/N.1 b/manuals/bc/N.1
index f39e51277b65..79e053ec41fa 100644
--- a/manuals/bc/N.1
+++ b/manuals/bc/N.1
@@ -1357,8 +1357,7 @@ Any non-string expression in a print statement shall be assigned to
 \f[B]last\f[R], like any other expression that is printed.
 .SS Stream Statement
 .PP
-The \[lq]expressions in a \f[B]stream\f[R] statement may also be
-strings.
+The expressions in a \f[B]stream\f[R] statement may also be strings.
 .PP
 If a \f[B]stream\f[R] statement is given a string, it prints the string
 as though the string had appeared as its own statement.
@@ -1579,6 +1578,14 @@ the rounding mode round away from \f[B]0\f[R]
 \f[B]f(x)\f[R]
 Returns the factorial of the truncated absolute value of \f[B]x\f[R].
 .TP
+\f[B]max(a, b)\f[R]
+Returns \f[B]a\f[R] if \f[B]a\f[R] is greater than \f[B]b\f[R];
+otherwise, returns \f[B]b\f[R].
+.TP
+\f[B]min(a, b)\f[R]
+Returns \f[B]a\f[R] if \f[B]a\f[R] is less than \f[B]b\f[R]; otherwise,
+returns \f[B]b\f[R].
+.TP
 \f[B]perm(n, k)\f[R]
 Returns the permutation of the truncated absolute value of \f[B]n\f[R]
 of the truncated absolute value of \f[B]k\f[R], if \f[B]k <= n\f[R].
@@ -1589,6 +1596,10 @@ Returns the combination of the truncated absolute value of \f[B]n\f[R]
 of the truncated absolute value of \f[B]k\f[R], if \f[B]k <= n\f[R].
 If not, it returns \f[B]0\f[R].
 .TP
+\f[B]fib(n)\f[R]
+Returns the Fibonacci number of the truncated absolute value of
+\f[B]n\f[R].
+.TP
 \f[B]l2(x)\f[R]
 Returns the logarithm base \f[B]2\f[R] of \f[B]x\f[R].
 .RS
@@ -1759,7 +1770,7 @@ Functions\f[R] subsection below).
 .RE
 .TP
 \f[B]frand(p)\f[R]
-Generates a pseudo-random number between \f[B]0\f[R] (inclusive) and
+Generates a pseudo-random integer between \f[B]0\f[R] (inclusive) and
 \f[B]1\f[R] (exclusive) with the number of decimal digits after the
 decimal point equal to the truncated absolute value of \f[B]p\f[R].
 If \f[B]p\f[R] is not \f[B]0\f[R], then calling this function will
@@ -1768,14 +1779,22 @@ If \f[B]p\f[R] is \f[B]0\f[R], then \f[B]0\f[R] is returned, and
 \f[B]seed\f[R] is \f[I]not\f[R] changed.
 .TP
 \f[B]ifrand(i, p)\f[R]
-Generates a pseudo-random number that is between \f[B]0\f[R] (inclusive)
-and the truncated absolute value of \f[B]i\f[R] (exclusive) with the
-number of decimal digits after the decimal point equal to the truncated
-absolute value of \f[B]p\f[R].
+Generates a pseudo-random integer that is between \f[B]0\f[R]
+(inclusive) and the truncated absolute value of \f[B]i\f[R] (exclusive)
+with the number of decimal digits after the decimal point equal to the
+truncated absolute value of \f[B]p\f[R].
 If the absolute value of \f[B]i\f[R] is greater than or equal to
 \f[B]2\f[R], and \f[B]p\f[R] is not \f[B]0\f[R], then calling this
 function will change the value of \f[B]seed\f[R]; otherwise, \f[B]0\f[R]
-is returned and \f[B]seed\f[R] is not changed.
+is returned, and \f[B]seed\f[R] is not changed.
+.TP
+\f[B]i2rand(a, b)\f[R]
+Takes the truncated value of \f[B]a\f[R] and \f[B]b\f[R] and uses them
+as inclusive bounds to enerate a pseudo-random integer.
+If the difference of the truncated values of \f[B]a\f[R] and \f[B]b\f[R]
+is \f[B]0\f[R], then the truncated value is returned, and \f[B]seed\f[R]
+is \f[I]not\f[R] changed.
+Otherwise, this function will change the value of \f[B]seed\f[R].
 .TP
 \f[B]srand(x)\f[R]
 Returns \f[B]x\f[R] with its sign flipped with probability
diff --git a/manuals/bc/N.1.md b/manuals/bc/N.1.md
index 56a4b2274d29..d4a08817c952 100644
--- a/manuals/bc/N.1.md
+++ b/manuals/bc/N.1.md
@@ -1068,7 +1068,7 @@ like any other expression that is printed.
 
 ## Stream Statement
 
-The "expressions in a **stream** statement may also be strings.
+The expressions in a **stream** statement may also be strings.
 
 If a **stream** statement is given a string, it prints the string as though the
 string had appeared as its own statement. In other words, the **stream**
@@ -1259,6 +1259,14 @@ The extended library is a **non-portable extension**.
 
 :   Returns the factorial of the truncated absolute value of **x**.
 
+**max(a, b)**
+
+:   Returns **a** if **a** is greater than **b**; otherwise, returns **b**.
+
+**min(a, b)**
+
+:   Returns **a** if **a** is less than **b**; otherwise, returns **b**.
+
 **perm(n, k)**
 
 :   Returns the permutation of the truncated absolute value of **n** of the
@@ -1269,6 +1277,10 @@ The extended library is a **non-portable extension**.
 :   Returns the combination of the truncated absolute value of **n** of the
     truncated absolute value of **k**, if **k \<= n**. If not, it returns **0**.
 
+**fib(n)**
+
+:   Returns the Fibonacci number of the truncated absolute value of **n**.
+
 **l2(x)**
 
 :   Returns the logarithm base **2** of **x**.
@@ -1418,7 +1430,7 @@ The extended library is a **non-portable extension**.
 
 **frand(p)**
 
-:   Generates a pseudo-random number between **0** (inclusive) and **1**
+:   Generates a pseudo-random integer between **0** (inclusive) and **1**
     (exclusive) with the number of decimal digits after the decimal point equal
     to the truncated absolute value of **p**. If **p** is not **0**, then
     calling this function will change the value of **seed**. If **p** is **0**,
@@ -1426,12 +1438,20 @@ The extended library is a **non-portable extension**.
 
 **ifrand(i, p)**
 
-:   Generates a pseudo-random number that is between **0** (inclusive) and the
+:   Generates a pseudo-random integer that is between **0** (inclusive) and the
     truncated absolute value of **i** (exclusive) with the number of decimal
     digits after the decimal point equal to the truncated absolute value of
     **p**. If the absolute value of **i** is greater than or equal to **2**, and
     **p** is not **0**, then calling this function will change the value of
-    **seed**; otherwise, **0** is returned and **seed** is not changed.
+    **seed**; otherwise, **0** is returned, and **seed** is not changed.
+
+**i2rand(a, b)**
+
+:   Takes the truncated value of **a** and **b** and uses them as inclusive
+    bounds to enerate a pseudo-random integer. If the difference of the
+    truncated values of **a** and **b** is **0**, then the truncated value is
+    returned, and **seed** is *not* changed. Otherwise, this function will
+    change the value of **seed**.
 
 **srand(x)**
 
diff --git a/src/num.c b/src/num.c
index 0a59707268df..e45aa62ddd0f 100644
--- a/src/num.c
+++ b/src/num.c
@@ -2929,14 +2929,14 @@ exit:
 #endif // BC_ENABLE_EXTRA_MATH
 
 /**
- * Converts a number from limbs with base BC_BASE_POW to base @a pow, where
- * @a pow is obase^N.
+ * Takes a number with limbs with base BC_BASE_POW and converts the limb at the
+ * given index to base @a pow, where @a pow is obase^N.
  * @param n    The number to convert.
  * @param rem  BC_BASE_POW - @a pow.
  * @param pow  The power of obase we will convert the number to.
  * @param idx  The index of the number to start converting at. Doing the
  *             conversion is O(n^2); we have to sweep through starting at the
- *             least significant limb
+ *             least significant limb.
  */
 static void
 bc_num_printFixup(BcNum* restrict n, BcBigDig rem, BcBigDig pow, size_t idx)
@@ -2998,8 +2998,8 @@ bc_num_printFixup(BcNum* restrict n, BcBigDig rem, BcBigDig pow, size_t idx)
 }
 
 /**
- * Prepares a number for printing in a base that is not a divisor of
- * BC_BASE_POW. This basically converts the number from having limbs of base
+ * Prepares a number for printing in a base that does not have BC_BASE_POW as a
+ * power. This basically converts the number from having limbs of base
  * BC_BASE_POW to limbs of pow, where pow is obase^N.
  * @param n    The number to prepare for printing.
  * @param rem  The remainder of BC_BASE_POW when divided by a power of the base.
diff --git a/src/vm.c b/src/vm.c
index 41da0fd9260d..f4cd82e3ee4b 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -214,7 +214,7 @@ bc_vm_sigaction(void)
 	struct sigaction sa;
 
 	sigemptyset(&sa.sa_mask);
-	sa.sa_flags = 0;
+	sa.sa_flags = BC_ENABLE_EDITLINE ? 0 : SA_NODEFER;
 
 	// This mess is to silence a warning on Clang with regards to glibc's
 	// sigaction handler, which activates the warning here.
diff --git a/tests/bc/lib2.txt b/tests/bc/lib2.txt
index 0032da1966ff..74e1256d7bbf 100644
--- a/tests/bc/lib2.txt
+++ b/tests/bc/lib2.txt
@@ -1,6 +1,7 @@
 p(2, 8.0000)
 p(2, 8.0001)
 p(2, -8.0001)
+p(1024,32.1)
 r(0, 0)
 r(0, 1)
 r(0, 100)
diff --git a/tests/bc/lib2_results.txt b/tests/bc/lib2_results.txt
index f0753aff31a4..e5ddb51642a5 100644
--- a/tests/bc/lib2_results.txt
+++ b/tests/bc/lib2_results.txt
@@ -1,6 +1,8 @@
 256.00000000000000000000
-256.01774518281640169821
+256.01774518281640171326
 .00390597924876622489
+42719740718418201647900434123391042292054090447133055398940832156444\
+39451561281100045924173873151.99999999999999999999
 0
 0
 0
diff --git a/tests/bc/scripts/all.txt b/tests/bc/scripts/all.txt
index a226bed54234..0008d70193c6 100644
--- a/tests/bc/scripts/all.txt
+++ b/tests/bc/scripts/all.txt
@@ -19,3 +19,4 @@ strings2.bc
 ifs.bc
 ifs2.bc
 afl1.bc
+i2rand.bc
diff --git a/tests/bc/scripts/i2rand.bc b/tests/bc/scripts/i2rand.bc
new file mode 100644
index 000000000000..4af770dbc9c7
--- /dev/null
+++ b/tests/bc/scripts/i2rand.bc
@@ -0,0 +1,29 @@
+#! /usr/bin/bc -lq
+
+for (i = 0; i < 10; ++i)
+{
+	if (brand()) {
+		a = srand(ifrand(101, scale))
+	}
+	else {
+		a = srand(irand(101))
+	}
+
+	if (brand()) {
+		b = srand(ifrand(101, scale))
+	}
+	else {
+		b = srand(irand(101))
+	}
+
+	min = min(a$, b$)
+	max = max(a$, b$)
+
+	for (j = 0; j < 100; ++j)
+	{
+		r = i2rand(a, b)
+		r >= min && r <= max
+	}
+}
+
+halt
diff --git a/tests/bc/scripts/i2rand.txt b/tests/bc/scripts/i2rand.txt
new file mode 100644
index 000000000000..e2bb702d29fe
--- /dev/null
+++ b/tests/bc/scripts/i2rand.txt
@@ -0,0 +1,1000 @@
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
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diff --git a/tests/script.sh b/tests/script.sh
index c38cbabe9adc..bd16ce7eb3c8 100755
--- a/tests/script.sh
+++ b/tests/script.sh
@@ -132,7 +132,7 @@ fi
 
 # Skip the tests that require extra math if we don't have it.
 if [ "$run_extra_tests" -eq 0 ]; then
-	if [ "$f" = "rand.bc" ] || [ "$f" = "root.bc" ]; then
+	if [ "$f" = "rand.bc" ] || [ "$f" = "root.bc" ] || [ "$f" = "i2rand.bc" ]; then
 		printf 'Skipping %s script: %s\n' "$d" "$f"
 		exit 0
 	fi