diff --git a/basis/compiler/cfg/instructions/instructions.factor b/basis/compiler/cfg/instructions/instructions.factor
index 87e981f362..874093ed40 100644
--- a/basis/compiler/cfg/instructions/instructions.factor
+++ b/basis/compiler/cfg/instructions/instructions.factor
@@ -350,14 +350,34 @@ def: dst
 use: src1 src2
 literal: rep ;
 
+PURE-INSN: ##horizontal-add-vector
+def: dst/scalar-rep
+use: src
+literal: rep ;
+
+PURE-INSN: ##abs-vector
+def: dst
+use: src
+literal: rep ;
+
 PURE-INSN: ##sqrt-vector
 def: dst
 use: src
 literal: rep ;
 
-PURE-INSN: ##horizontal-add-vector
-def: dst/scalar-rep
-use: src
+PURE-INSN: ##and-vector
+def: dst
+use: src1 src2
+literal: rep ;
+
+PURE-INSN: ##or-vector
+def: dst
+use: src1 src2
+literal: rep ;
+
+PURE-INSN: ##xor-vector
+def: dst
+use: src1 src2
 literal: rep ;
 
 ! Boxing and unboxing aliens
diff --git a/basis/compiler/cfg/intrinsics/intrinsics.factor b/basis/compiler/cfg/intrinsics/intrinsics.factor
index b9835827fa..d2f158f06d 100644
--- a/basis/compiler/cfg/intrinsics/intrinsics.factor
+++ b/basis/compiler/cfg/intrinsics/intrinsics.factor
@@ -164,7 +164,11 @@ IN: compiler.cfg.intrinsics
         { math.vectors.simd.intrinsics:(simd-v/) [ [ ^^div-vector ] emit-binary-vector-op ] }
         { math.vectors.simd.intrinsics:(simd-vmin) [ [ ^^min-vector ] emit-binary-vector-op ] }
         { math.vectors.simd.intrinsics:(simd-vmax) [ [ ^^max-vector ] emit-binary-vector-op ] }
-        { math.vectors.simd.intrinsics:(simd-vsqrt) [ [ ^^sqrt-vector ] emit-binary-vector-op ] }
+        { math.vectors.simd.intrinsics:(simd-vabs) [ [ ^^abs-vector ] emit-unary-vector-op ] }
+        { math.vectors.simd.intrinsics:(simd-vsqrt) [ [ ^^sqrt-vector ] emit-unary-vector-op ] }
+        { math.vectors.simd.intrinsics:(simd-vbitand) [ [ ^^and-vector ] emit-binary-vector-op ] }
+        { math.vectors.simd.intrinsics:(simd-vbitor) [ [ ^^or-vector ] emit-binary-vector-op ] }
+        { math.vectors.simd.intrinsics:(simd-vbitxor) [ [ ^^xor-vector ] emit-binary-vector-op ] }
         { math.vectors.simd.intrinsics:(simd-broadcast) [ [ ^^broadcast-vector ] emit-unary-vector-op ] }
         { math.vectors.simd.intrinsics:(simd-gather-2) [ emit-gather-vector-2 ] }
         { math.vectors.simd.intrinsics:(simd-gather-4) [ emit-gather-vector-4 ] }
diff --git a/basis/compiler/cfg/two-operand/two-operand.factor b/basis/compiler/cfg/two-operand/two-operand.factor
index 1186e6b41f..45d248f8f4 100644
--- a/basis/compiler/cfg/two-operand/two-operand.factor
+++ b/basis/compiler/cfg/two-operand/two-operand.factor
@@ -55,7 +55,10 @@ UNION: two-operand-insn
     ##saturated-mul-vector
     ##div-vector
     ##min-vector
-    ##max-vector ;
+    ##max-vector
+    ##and-vector
+    ##or-vector
+    ##xor-vector ;
 
 GENERIC: convert-two-operand* ( insn -- )
 
diff --git a/basis/compiler/codegen/codegen.factor b/basis/compiler/codegen/codegen.factor
index e7a2548eff..43d11b5d4f 100755
--- a/basis/compiler/codegen/codegen.factor
+++ b/basis/compiler/codegen/codegen.factor
@@ -180,6 +180,10 @@ CODEGEN: ##min-vector %min-vector
 CODEGEN: ##max-vector %max-vector
 CODEGEN: ##sqrt-vector %sqrt-vector
 CODEGEN: ##horizontal-add-vector %horizontal-add-vector
+CODEGEN: ##abs-vector %abs-vector
+CODEGEN: ##and-vector %and-vector
+CODEGEN: ##or-vector %or-vector
+CODEGEN: ##xor-vector %xor-vector
 CODEGEN: ##box-alien %box-alien
 CODEGEN: ##box-displaced-alien %box-displaced-alien
 CODEGEN: ##unbox-alien %unbox-alien
diff --git a/basis/compiler/tree/propagation/simd/simd.factor b/basis/compiler/tree/propagation/simd/simd.factor
index db39985c94..fadb382398 100644
--- a/basis/compiler/tree/propagation/simd/simd.factor
+++ b/basis/compiler/tree/propagation/simd/simd.factor
@@ -13,7 +13,12 @@ IN: compiler.tree.propagation.simd
     (simd-v/)
     (simd-vmin)
     (simd-vmax)
+    (simd-sum)
+    (simd-vabs)
     (simd-vsqrt)
+    (simd-vbitand)
+    (simd-vbitor)
+    (simd-vbitxor)
     (simd-broadcast)
     (simd-gather-2)
     (simd-gather-4)
diff --git a/basis/cpu/architecture/architecture.factor b/basis/cpu/architecture/architecture.factor
index 6bc78836cd..2dbe724f0a 100644
--- a/basis/cpu/architecture/architecture.factor
+++ b/basis/cpu/architecture/architecture.factor
@@ -192,6 +192,10 @@ HOOK: %min-vector cpu ( dst src1 src2 rep -- )
 HOOK: %max-vector cpu ( dst src1 src2 rep -- )
 HOOK: %sqrt-vector cpu ( dst src rep -- )
 HOOK: %horizontal-add-vector cpu ( dst src rep -- )
+HOOK: %abs-vector cpu ( dst src rep -- )
+HOOK: %and-vector cpu ( dst src1 src2 rep -- )
+HOOK: %or-vector cpu ( dst src1 src2 rep -- )
+HOOK: %xor-vector cpu ( dst src1 src2 rep -- )
 
 HOOK: %broadcast-vector-reps cpu ( -- reps )
 HOOK: %gather-vector-2-reps cpu ( -- reps )
@@ -208,6 +212,10 @@ HOOK: %min-vector-reps cpu ( -- reps )
 HOOK: %max-vector-reps cpu ( -- reps )
 HOOK: %sqrt-vector-reps cpu ( -- reps )
 HOOK: %horizontal-add-vector-reps cpu ( -- reps )
+HOOK: %abs-vector-reps cpu ( -- reps )
+HOOK: %and-vector-reps cpu ( -- reps )
+HOOK: %or-vector-reps cpu ( -- reps )
+HOOK: %xor-vector-reps cpu ( -- reps )
 
 HOOK: %unbox-alien cpu ( dst src -- )
 HOOK: %unbox-any-c-ptr cpu ( dst src temp -- )
diff --git a/basis/cpu/x86/x86.factor b/basis/cpu/x86/x86.factor
index 4850403908..1a96e93c63 100644
--- a/basis/cpu/x86/x86.factor
+++ b/basis/cpu/x86/x86.factor
@@ -410,30 +410,63 @@ M: x86 %div-vector-reps
 
 M: x86 %min-vector ( dst src1 src2 rep -- )
     {
-        { float-4-rep [ MINPS ] }
-        { double-2-rep [ MINPD ] }
+        { char-16-rep [ PMINSB ] }
         { uchar-16-rep [ PMINUB ] }
         { short-8-rep [ PMINSW ] }
+        { ushort-8-rep [ PMINUW ] }
+        { int-4-rep [ PMINSD ] }
+        { uint-4-rep [ PMINUD ] }
+        { float-4-rep [ MINPS ] }
+        { double-2-rep [ MINPD ] }
     } case drop ;
 
 M: x86 %min-vector-reps
     {
         { sse? { float-4-rep } }
-        { sse2? { double-2-rep short-8-rep uchar-16-rep } }
+        { sse2? { uchar-16-rep short-8-rep double-2-rep short-8-rep uchar-16-rep } }
+        { sse4.1? { char-16-rep ushort-8-rep int-4-rep uint-4-rep } }
     } available-reps ;
 
 M: x86 %max-vector ( dst src1 src2 rep -- )
     {
-        { float-4-rep [ MAXPS ] }
-        { double-2-rep [ MAXPD ] }
+        { char-16-rep [ PMAXSB ] }
         { uchar-16-rep [ PMAXUB ] }
         { short-8-rep [ PMAXSW ] }
+        { ushort-8-rep [ PMAXUW ] }
+        { int-4-rep [ PMAXSD ] }
+        { uint-4-rep [ PMAXUD ] }
+        { float-4-rep [ MAXPS ] }
+        { double-2-rep [ MAXPD ] }
     } case drop ;
 
 M: x86 %max-vector-reps
     {
         { sse? { float-4-rep } }
-        { sse2? { double-2-rep short-8-rep uchar-16-rep } }
+        { sse2? { uchar-16-rep short-8-rep double-2-rep short-8-rep uchar-16-rep } }
+        { sse4.1? { char-16-rep ushort-8-rep int-4-rep uint-4-rep } }
+    } available-reps ;
+
+M: x86 %horizontal-add-vector ( dst src rep -- )
+    {
+        { float-4-rep [ [ MOVAPS ] [ HADDPS ] [ HADDPS ] 2tri ] }
+        { double-2-rep [ [ MOVAPD ] [ HADDPD ] 2bi ] }
+    } case ;
+
+M: x86 %horizontal-add-vector-reps
+    {
+        { sse3? { float-4-rep double-2-rep } }
+    } available-reps ;
+
+M: x86 %abs-vector ( dst src rep -- )
+    {
+        { char-16-rep [ PABSB ] }
+        { short-8-rep [ PABSW ] }
+        { int-4-rep [ PABSD ] }
+    } case ;
+
+M: x86 %abs-vector-reps
+    {
+        { ssse3? { char-16-rep short-8-rep int-4-rep } }
     } available-reps ;
 
 M: x86 %sqrt-vector ( dst src rep -- )
@@ -448,15 +481,58 @@ M: x86 %sqrt-vector-reps
         { sse2? { double-2-rep } }
     } available-reps ;
 
-M: x86 %horizontal-add-vector ( dst src rep -- )
+M: x86 %and-vector ( dst src1 src2 rep -- )
     {
-        { float-4-rep [ [ MOVAPS ] [ HADDPS ] [ HADDPS ] 2tri ] }
-        { double-2-rep [ [ MOVAPD ] [ HADDPD ] 2bi ] }
-    } case ;
+        { float-4-rep [ ANDPS ] }
+        { double-2-rep [ ANDPD ] }
+        { char-16-rep [ PAND ] }
+        { uchar-16-rep [ PAND ] }
+        { short-8-rep [ PAND ] }
+        { ushort-8-rep [ PAND ] }
+        { int-4-rep [ PAND ] }
+        { uint-4-rep [ PAND ] }
+    } case drop ;
 
-M: x86 %horizontal-add-vector-reps
+M: x86 %and-vector-reps
     {
-        { sse3? { float-4-rep double-2-rep } }
+        { sse? { float-4-rep } }
+        { sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep } }
+    } available-reps ;
+
+M: x86 %or-vector ( dst src1 src2 rep -- )
+    {
+        { float-4-rep [ ORPS ] }
+        { double-2-rep [ ORPD ] }
+        { char-16-rep [ POR ] }
+        { uchar-16-rep [ POR ] }
+        { short-8-rep [ POR ] }
+        { ushort-8-rep [ POR ] }
+        { int-4-rep [ POR ] }
+        { uint-4-rep [ POR ] }
+    } case drop ;
+
+M: x86 %or-vector-reps
+    {
+        { sse? { float-4-rep } }
+        { sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep } }
+    } available-reps ;
+
+M: x86 %xor-vector ( dst src1 src2 rep -- )
+    {
+        { float-4-rep [ XORPS ] }
+        { double-2-rep [ XORPD ] }
+        { char-16-rep [ PXOR ] }
+        { uchar-16-rep [ PXOR ] }
+        { short-8-rep [ PXOR ] }
+        { ushort-8-rep [ PXOR ] }
+        { int-4-rep [ PXOR ] }
+        { uint-4-rep [ PXOR ] }
+    } case drop ;
+
+M: x86 %xor-vector-reps
+    {
+        { sse? { float-4-rep } }
+        { sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep } }
     } available-reps ;
 
 M: x86 %unbox-alien ( dst src -- )
diff --git a/basis/math/vectors/simd/functor/functor.factor b/basis/math/vectors/simd/functor/functor.factor
index 7d84b18225..e934a641c4 100644
--- a/basis/math/vectors/simd/functor/functor.factor
+++ b/basis/math/vectors/simd/functor/functor.factor
@@ -4,7 +4,8 @@ USING: accessors alien.c-types assocs byte-arrays classes
 effects fry functors generalizations kernel literals locals
 math math.functions math.vectors math.vectors.simd.intrinsics
 math.vectors.specialization parser prettyprint.custom sequences
-sequences.private strings words definitions macros cpu.architecture ;
+sequences.private strings words definitions macros cpu.architecture
+namespaces arrays quotations ;
 QUALIFIED-WITH: math m
 IN: math.vectors.simd.functor
 
@@ -38,24 +39,19 @@ MACRO: simd-boa ( rep class -- simd-array )
     { "simd-vector" } <effect> ;
 
 : supported-simd-ops ( assoc rep -- assoc' )
-    [
-        {
-            { v+ (simd-v+) }
-            { vs+ (simd-vs+) }
-            { v+- (simd-v+-) }
-            { v- (simd-v-) }
-            { vs- (simd-vs-) }
-            { v* (simd-v*) }
-            { vs* (simd-vs*) }
-            { v/ (simd-v/) }
-            { vmin (simd-vmin) }
-            { vmax (simd-vmax) }
-            { sum (simd-sum) }
-        }
-    ] dip 
+    [ simd-ops get ] dip 
     '[ nip _ swap supported-simd-op? ] assoc-filter
     '[ drop _ key? ] assoc-filter ;
 
+ERROR: bad-schema schema ;
+
+: low-level-ops ( box-quot: ( inputs... simd-op -- outputs... ) -- alist )
+    [ simd-ops get ] dip '[
+        1quotation
+        over word-schema _ ?at [ bad-schema ] unless
+        [ ] 2sequence
+    ] assoc-map ;
+
 :: high-level-ops ( ctor elt-class -- assoc )
     ! Some SIMD operations are defined in terms of others.
     {
@@ -82,11 +78,17 @@ MACRO: simd-boa ( rep class -- simd-array )
         } append
     ] when ;
 
-:: simd-vector-words ( class ctor rep assoc -- )
+:: simd-vector-words ( class ctor rep vv->v v->v v->n -- )
     rep rep-component-type c-type-boxed-class :> elt-class
     class
     elt-class
-    assoc rep supported-simd-ops
+    {
+        { { +vector+ +vector+ -> +vector+ } vv->v }
+        { { +vector+ -> +vector+ } v->v }
+        { { +vector+ -> +scalar+ } v->n }
+        { { +vector+ -> +nonnegative+ } v->n }
+    } low-level-ops
+    rep supported-simd-ops
     ctor elt-class high-level-ops assoc-union
     specialize-vector-words ;
 
@@ -116,6 +118,7 @@ SET-NTH      [ T dup c-setter array-accessor ]
 
 A-rep        [ A name>> "-rep" append "cpu.architecture" lookup ]
 A-vv->v-op   DEFINES-PRIVATE ${A}-vv->v-op
+A-v->v-op    DEFINES-PRIVATE ${A}-v->v-op
 A-v->n-op    DEFINES-PRIVATE ${A}-v->n-op
 
 WHERE
@@ -172,23 +175,13 @@ INSTANCE: A sequence
 : A-vv->v-op ( v1 v2 quot -- v3 )
     [ [ underlying>> ] bi@ A-rep ] dip call \ A boa ; inline
 
+: A-v->v-op ( v1 quot -- v2 )
+    [ underlying>> A-rep ] dip call \ A boa ; inline
+
 : A-v->n-op ( v quot -- n )
     [ underlying>> A-rep ] dip call ; inline
 
-\ A \ A-with \ A-rep H{
-    { v+ [ [ (simd-v+) ] \ A-vv->v-op execute ] }
-    { vs+ [ [ (simd-vs+) ] \ A-vv->v-op execute ] }
-    { v+- [ [ (simd-v+-) ] \ A-vv->v-op execute ] }
-    { v- [ [ (simd-v-) ] \ A-vv->v-op execute ] }
-    { vs- [ [ (simd-vs-) ] \ A-vv->v-op execute ] }
-    { v* [ [ (simd-v*) ] \ A-vv->v-op execute ] }
-    { vs* [ [ (simd-vs*) ] \ A-vv->v-op execute ] }
-    { v/ [ [ (simd-v/) ] \ A-vv->v-op execute ] }
-    { vmin [ [ (simd-vmin) ] \ A-vv->v-op execute ] }
-    { vmax [ [ (simd-vmax) ] \ A-vv->v-op execute ] }
-    { sum [ [ (simd-sum) ] \ A-v->n-op execute ] }
-} simd-vector-words
-
+\ A \ A-with \ A-rep \ A-vv->v-op \ A-v->v-op \ A-v->n-op simd-vector-words
 \ A \ A-rep define-simd-128-type
 
 PRIVATE>
@@ -237,6 +230,7 @@ A-deref      DEFINES-PRIVATE ${A}-deref
 
 A-rep        [ A/2 name>> "-rep" append "cpu.architecture" lookup ]
 A-vv->v-op   DEFINES-PRIVATE ${A}-vv->v-op
+A-v->v-op    DEFINES-PRIVATE ${A}-v->v-op
 A-v->n-op    DEFINES-PRIVATE ${A}-v->n-op
 
 WHERE
@@ -302,24 +296,15 @@ INSTANCE: A sequence
     [ [ [ underlying2>> ] bi@ A-rep ] dip call ] 3bi
     \ A boa ; inline
 
-: A-v->n-op ( v1 combine-quot reduce-quot -- v2 )
-    [ [ [ underlying1>> ] [ underlying2>> ] bi A-rep ] dip call A-rep ]
-    dip call ; inline
+: A-v->v-op ( v1 combine-quot -- v2 )
+    [ [ underlying1>> A-rep ] dip call ]
+    [ [ underlying2>> A-rep ] dip call ] 2bi
+    \ A boa ; inline
 
-\ A \ A-with \ A-rep H{
-    { v+ [ [ (simd-v+) ] \ A-vv->v-op execute ] }
-    { vs+ [ [ (simd-vs+) ] \ A-vv->v-op execute ] }
-    { v- [ [ (simd-v-) ] \ A-vv->v-op execute ] }
-    { vs- [ [ (simd-vs-) ] \ A-vv->v-op execute ] }
-    { v+- [ [ (simd-v+-) ] \ A-vv->v-op execute ] }
-    { v* [ [ (simd-v*) ] \ A-vv->v-op execute ] }
-    { vs* [ [ (simd-vs*) ] \ A-vv->v-op execute ] }
-    { v/ [ [ (simd-v/) ] \ A-vv->v-op execute ] }
-    { vmin [ [ (simd-vmin) ] \ A-vv->v-op execute ] }
-    { vmax [ [ (simd-vmax) ] \ A-vv->v-op execute ] }
-    { sum [ [ (simd-v+) ] [ (simd-sum) ] \ A-v->n-op execute ] }
-} simd-vector-words
+: A-v->n-op ( v1 combine-quot -- v2 )
+    [ [ underlying1>> ] [ underlying2>> ] bi A-rep (simd-v+) A-rep ] dip call ; inline
 
+\ A \ A-with \ A-rep \ A-vv->v-op \ A-v->v-op \ A-v->n-op simd-vector-words
 \ A \ A-rep define-simd-256-type
 
 ;FUNCTOR
diff --git a/basis/math/vectors/simd/intrinsics/intrinsics.factor b/basis/math/vectors/simd/intrinsics/intrinsics.factor
index 63214f7da6..2c1f76cfe1 100644
--- a/basis/math/vectors/simd/intrinsics/intrinsics.factor
+++ b/basis/math/vectors/simd/intrinsics/intrinsics.factor
@@ -2,23 +2,47 @@
 ! See http://factorcode.org/license.txt for BSD license.
 USING: alien alien.c-types alien.data assocs combinators
 cpu.architecture fry generalizations kernel libc macros math
-sequences ;
+sequences effects accessors namespaces lexer parser vocabs.parser
+words arrays math.vectors ;
 IN: math.vectors.simd.intrinsics
 
 ERROR: bad-simd-call ;
 
-: (simd-v+) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-v-) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-v+-) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-vs+) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-vs-) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-vs*) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-v*) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-v/) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-vmin) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-vmax) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-vsqrt) ( v1 v2 rep -- v3 ) bad-simd-call ;
-: (simd-sum) ( v1 rep -- v2 ) bad-simd-call ;
+<<
+
+: simd-effect ( word -- effect )
+    stack-effect [ in>> "rep" suffix ] [ out>> ] bi <effect> ;
+
+SYMBOL: simd-ops
+
+V{ } clone simd-ops set-global
+
+SYNTAX: SIMD-OP:
+    scan-word dup name>> "(simd-" ")" surround create-in
+    [ nip [ bad-simd-call ] define ]
+    [ [ simd-effect ] dip set-stack-effect ]
+    [ 2array simd-ops get push ]
+    2tri ;
+
+>>
+
+SIMD-OP: v+
+SIMD-OP: v-
+SIMD-OP: v+-
+SIMD-OP: vs+
+SIMD-OP: vs-
+SIMD-OP: vs*
+SIMD-OP: v*
+SIMD-OP: v/
+SIMD-OP: vmin
+SIMD-OP: vmax
+SIMD-OP: vsqrt
+SIMD-OP: sum
+SIMD-OP: vabs
+SIMD-OP: vbitand
+SIMD-OP: vbitor
+SIMD-OP: vbitxor
+
 : (simd-broadcast) ( x rep -- v ) bad-simd-call ;
 : (simd-gather-2) ( a b rep -- v ) bad-simd-call ;
 : (simd-gather-4) ( a b c d rep -- v ) bad-simd-call ;
@@ -82,6 +106,10 @@ M: vector-rep supported-simd-op?
         { \ (simd-vmax)      [ %max-vector-reps            ] }
         { \ (simd-vsqrt)     [ %sqrt-vector-reps           ] }
         { \ (simd-sum)       [ %horizontal-add-vector-reps ] }
+        { \ (simd-vabs)      [ %abs-vector-reps            ] }
+        { \ (simd-vbitand)   [ %and-vector-reps            ] }
+        { \ (simd-vbitor)    [ %or-vector-reps             ] }
+        { \ (simd-vbitxor)   [ %xor-vector-reps            ] }
         { \ (simd-broadcast) [ %broadcast-vector-reps      ] }
         { \ (simd-gather-2)  [ %gather-vector-2-reps       ] }
         { \ (simd-gather-4)  [ %gather-vector-4-reps       ] }
diff --git a/basis/math/vectors/simd/simd-tests.factor b/basis/math/vectors/simd/simd-tests.factor
index 007ec338cd..db8597fc9d 100644
--- a/basis/math/vectors/simd/simd-tests.factor
+++ b/basis/math/vectors/simd/simd-tests.factor
@@ -135,7 +135,7 @@ CONSTANT: simd-classes
     word '[ _ declare _ execute ] ;
 
 : remove-float-words ( alist -- alist' )
-    [ drop { n/v v/n v/ normalize } member? not ] assoc-filter ;
+    [ drop { vsqrt n/v v/n v/ normalize } member? not ] assoc-filter ;
 
 : ops-to-check ( elt-class -- alist )
     [ vector-words >alist ] dip
@@ -242,3 +242,5 @@ STRUCT: simd-struct
         { [ x>> ] [ y>> ] [ z>> ] [ w>> ] } cleave
     ] compile-call
 ] unit-test
+
+[ ] [ char-16 new 1array stack. ] unit-test
diff --git a/basis/math/vectors/specialization/specialization.factor b/basis/math/vectors/specialization/specialization.factor
index 2fb36d428a..bf2dac29d6 100644
--- a/basis/math/vectors/specialization/specialization.factor
+++ b/basis/math/vectors/specialization/specialization.factor
@@ -72,6 +72,11 @@ H{
     { vneg { +vector+ -> +vector+ } }
     { vtruncate { +vector+ -> +vector+ } }
     { sum { +vector+ -> +scalar+ } }
+    { vabs { +vector+ -> +vector+ } }
+    { vsqrt { +vector+ -> +vector+ } }
+    { vbitand { +vector+ +vector+ -> +vector+ } }
+    { vbitor { +vector+ +vector+ -> +vector+ } }
+    { vbitxor { +vector+ +vector+ -> +vector+ } }
 }
 
 PREDICATE: vector-word < word vector-words key? ;
diff --git a/basis/math/vectors/vectors-docs.factor b/basis/math/vectors/vectors-docs.factor
index ce635b6d60..67ac27400e 100644
--- a/basis/math/vectors/vectors-docs.factor
+++ b/basis/math/vectors/vectors-docs.factor
@@ -30,7 +30,10 @@ $nl
 "Saturated arithmetic may be performed on " { $link "specialized-arrays" } "; the results are clamped to the minimum and maximum bounds of the array element type, instead of wrapping around:"
 { $subsection vs+ }
 { $subsection vs- }
-{ $subsection vs* } ;
+{ $subsection vs* }
+"Comparing vectors:"
+{ $subsection distance }
+{ $subsection v~ } ;
 
 ABOUT: "math-vectors"
 
@@ -144,6 +147,10 @@ HELP: normalize
 { $values { "u" "a sequence of numbers, not all zero" } { "v" "a sequence of numbers" } }
 { $description "Outputs a vector with the same direction as " { $snippet "u" } " but length 1." } ;
 
+HELP: distance
+{ $values { "u" "a sequence of numbers" } { "v" "a sequence of numbers" } { "x" "a non-negative real number" } }
+{ $description "Outputs the Euclidean distance between two vectors." } ;
+
 HELP: set-axis
 { $values { "u" "a sequence of numbers" } { "v" "a sequence of numbers" } { "axis" "a sequence of 0/1" } { "w" "a sequence of numbers" } }
 { $description "Using " { $snippet "w" } " as a template, creates a new sequence containing corresponding elements from " { $snippet "u" } " in place of 0, and corresponding elements from " { $snippet "v" } " in place of 1." }
diff --git a/basis/math/vectors/vectors.factor b/basis/math/vectors/vectors.factor
index 3a1b2875a9..eb97fba663 100644
--- a/basis/math/vectors/vectors.factor
+++ b/basis/math/vectors/vectors.factor
@@ -1,7 +1,8 @@
-! Copyright (C) 2005, 2008 Slava Pestov.
+! Copyright (C) 2005, 2009 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: arrays alien.c-types kernel sequences math math.functions
-hints math.order fry ;
+hints math.order fry combinators ;
+QUALIFIED-WITH: alien.c-types c
 IN: math.vectors
 
 GENERIC: element-type ( obj -- c-type )
@@ -31,13 +32,35 @@ GENERIC: element-type ( obj -- c-type )
     [ [ not ] 2dip pick [ + ] [ - ] if ] 2map
     nip ;
 
+<PRIVATE
+
 : 2saturate-map ( u v quot -- w )
     pick element-type '[ @ _ c-type-clamp ] 2map ; inline
 
+PRIVATE>
+
 : vs+ ( u v -- w ) [ + ] 2saturate-map ;
 : vs- ( u v -- w ) [ - ] 2saturate-map ;
 : vs* ( u v -- w ) [ * ] 2saturate-map ;
 
+: vabs ( u -- v ) [ abs ] map ;
+: vsqrt ( u -- v ) [ sqrt ] map ;
+
+<PRIVATE
+
+: fp-bitwise-op ( x y seq quot -- z )
+    swap element-type {
+        { c:double [ [ [ double>bits ] bi@ ] dip call bits>double ] }
+        { c:float [ [ [ float>bits ] bi@ ] dip call bits>float ] }
+        [ drop call ]
+    } case ; inline
+
+PRIVATE>
+
+: vbitand ( u v -- w ) over '[ _ [ bitand ] fp-bitwise-op ] 2map ;
+: vbitor ( u v -- w ) over '[ _ [ bitor ] fp-bitwise-op ] 2map ;
+: vbitxor ( u v -- w ) over '[ _ [ bitxor ] fp-bitwise-op ] 2map ;
+
 : vfloor    ( v -- _v_ ) [ floor    ] map ;
 : vceiling  ( v -- ^v^ ) [ ceiling  ] map ;
 : vtruncate ( v -- -v- ) [ truncate ] map ;