math: minor doc fixes

basis/math/functions/functions-docs.factor

@@ -48,6 +48,7 @@ ARTICLE: "power-functions" "Powers and logarithms"
 { $subsection exp }
 { $subsection cis }
 { $subsection log }
+"Other logarithms:"
 { $subsection log1+ }
 { $subsection log10 }
 "Raising a number to a power:"

basis/math/libm/libm-docs.factor

@@ -6,7 +6,7 @@ ARTICLE: "math.libm" "C standard library math functions"
 { $warning
 "These functions are unsafe. The compiler special-cases them to operate on floats only. They can be called directly, however there is little reason to do so, since they only implement real-valued functions, and in some cases place restrictions on the domain:"
 { $example "USE: math.functions" "2.0 acos ." "C{ 0.0 1.316957896924817 }" }
-{ $unchecked-example "USE: math.libm" "2 facos ." "0/0." } }
+{ $unchecked-example "USE: math.libm" "2.0 facos ." "0/0." } }
 "Trigonometric functions:"
 { $subsection fcos }
 { $subsection fsin }
@@ -20,6 +20,7 @@ ARTICLE: "math.libm" "C standard library math functions"
 "Exponentials and logarithms:"
 { $subsection fexp }
 { $subsection flog }
+{ $subsection flog10 }
 "Powers:"
 { $subsection fpow }
 { $subsection fsqrt } ;
@@ -66,6 +67,10 @@ HELP: flog
 { $values { "x" real } { "y" real } }
 { $description "Calls the natural logarithm function from the C standard library. User code should call " { $link log } " instead." } ;
 
+HELP: flog10
+{ $values { "x" real } { "y" real } }
+{ $description "Calls the base 10 logarithm function from the C standard library. User code should call " { $link log10 } " instead." } ;
+
 HELP: fpow
 { $values { "x" real } { "y" real } { "z" real } }
 { $description "Calls the power function (" { $snippet "z=x^y" } ") from the C standard library. User code should call " { $link ^ } " instead." } ;