 
 HELP: hlshift
 { $values { "u" "a SIMD array" } { "n" "a non-negative integer" } { "w" "a SIMD array" } }
-{ $description "Shifts the entire SIMD array to the left by " { $snippet "n" } " bytes. This word may only be used in a context where the compiler can statically infer that the input is a SIMD array." } ;
+{ $description "Shifts the entire SIMD array to the left by " { $snippet "n" } " bytes, filling the vacated right-hand bits with zeroes. This word may only be used in a context where the compiler can statically infer that the input is a SIMD array." } ;
 
 HELP: hrshift
 { $values { "u" "a SIMD array" } { "n" "a non-negative integer" } { "w" "a SIMD array" } }
-{ $description "Shifts the entire SIMD array to the right by " { $snippet "n" } " bytes. This word may only be used in a context where the compiler can statically infer that the input is a SIMD array." } ;
+{ $description "Shifts the entire SIMD array to the right by " { $snippet "n" } " bytes, filling the vacated left-hand bits with zeroes. This word may only be used in a context where the compiler can statically infer that the input is a SIMD array." } ;
 
 HELP: vbroadcast
 { $values { "u" "a SIMD array" } { "n" "a non-negative integer" } { "v" "a SIMD array" } }

{ $subsection distance }
{ $subsection v~ } ;

ARTICLE: "math-vectors-logic" "Vector componentwise logic"
"See " { $link "math-vectors-simd-logic" } " for notes about using comparison and logical operations with SIMD vector types."
$nl
"Element comparisons:"
{ $subsection v< }

"Any Factor sequence can be used to represent a mathematical vector, however for best performance, the sequences defined by the " { $vocab-link "specialized-arrays" } " and " { $vocab-link "math.vectors.simd" } " vocabularies should be used."
{ $subsection "math-vectors-arithmetic" }
{ $subsection "math-vectors-logic" }
{ $subsection "math-vectors-shuffle" }
{ $subsection "math-vectors-misc" } ;

ABOUT: "math-vectors"
