clean up math.matrices.simd just a little bit
Joe Groff
parent
b709e9a497
commit
6a6e248fa4
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@ -1,7 +1,8 @@
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! (c)Joe Groff bsd license
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USING: accessors classes.struct kernel locals math math.functions
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math.matrices.simd math.vectors math.vectors.simd sequences
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sequences.private specialized-arrays typed ;
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USING: accessors classes.struct generalizations kernel locals
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math math.functions math.matrices.simd math.vectors
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math.vectors.simd sequences sequences.private specialized-arrays
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typed ;
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QUALIFIED-WITH: alien.c-types c
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SIMD: c:float
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SPECIALIZED-ARRAY: float-4
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@ -17,49 +18,42 @@ M: matrix4 nth-unsafe rows>> nth-unsafe ; inline
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M: matrix4 new-sequence 2drop matrix4 (struct) ; inline
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<PRIVATE
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: rows ( a -- a1 a2 a3 a4 )
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rows>> first4 ; inline
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:: set-rows ( c1 c2 c3 c4 c -- c )
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c rows>> :> rows
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c1 rows set-first
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c2 rows set-second
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c3 rows set-third
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c4 rows set-fourth
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c ; inline
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:: 2map-rows ( a b quot -- c )
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matrix4 (struct) :> c
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a rows>> first :> a1
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a rows>> second :> a2
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a rows>> third :> a3
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a rows>> fourth :> a4
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b rows>> first :> b1
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b rows>> second :> b2
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b rows>> third :> b3
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b rows>> fourth :> b4
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a rows :> a4 :> a3 :> a2 :> a1
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b rows :> b4 :> b3 :> b2 :> b1
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a1 b1 quot call :> c1
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a2 b2 quot call :> c2
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a3 b3 quot call :> c3
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a4 b4 quot call :> c4
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a1 b1 quot call
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a2 b2 quot call
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a3 b3 quot call
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a4 b4 quot call
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c1 c rows>> set-first
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c2 c rows>> set-second
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c3 c rows>> set-third
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c4 c rows>> set-fourth
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c ; inline
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c set-rows ; inline
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:: map-rows ( a quot -- c )
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matrix4 (struct) :> c
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a rows>> first :> a1
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a rows>> second :> a2
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a rows>> third :> a3
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a rows>> fourth :> a4
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a rows :> a4 :> a3 :> a2 :> a1
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a1 quot call :> c1
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a2 quot call :> c2
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a3 quot call :> c3
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a4 quot call :> c4
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a1 quot call
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a2 quot call
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a3 quot call
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a4 quot call
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c1 c rows>> set-first
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c2 c rows>> set-second
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c3 c rows>> set-third
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c4 c rows>> set-fourth
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c ; inline
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c set-rows ; inline
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PRIVATE>
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@ -76,41 +70,30 @@ TYPED: n/m4 ( a: float b: matrix4 -- c: matrix4 ) [ n/v ] with map-rows ;
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TYPED:: m4. ( a: matrix4 b: matrix4 -- c: matrix4 )
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matrix4 (struct) :> c
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a rows>> first :> a1
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a rows>> second :> a2
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a rows>> third :> a3
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a rows>> fourth :> a4
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b rows>> first :> b1
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b rows>> second :> b2
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b rows>> third :> b3
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b rows>> fourth :> b4
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a rows :> a4 :> a3 :> a2 :> a1
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b rows :> b4 :> b3 :> b2 :> b1
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a1 { 0 0 0 0 } vshuffle b1 v* :> c1a
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a2 { 0 0 0 0 } vshuffle b1 v* :> c2a
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a3 { 0 0 0 0 } vshuffle b1 v* :> c3a
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a4 { 0 0 0 0 } vshuffle b1 v* :> c4a
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a1 first b1 n*v :> c1a
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a2 first b1 n*v :> c2a
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a3 first b1 n*v :> c3a
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a4 first b1 n*v :> c4a
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a1 { 1 1 1 1 } vshuffle b2 v* c1a v+ :> c1b
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a2 { 1 1 1 1 } vshuffle b2 v* c2a v+ :> c2b
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a3 { 1 1 1 1 } vshuffle b2 v* c3a v+ :> c3b
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a4 { 1 1 1 1 } vshuffle b2 v* c4a v+ :> c4b
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a1 second b2 n*v c1a v+ :> c1b
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a2 second b2 n*v c2a v+ :> c2b
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a3 second b2 n*v c3a v+ :> c3b
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a4 second b2 n*v c4a v+ :> c4b
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a1 { 2 2 2 2 } vshuffle b3 v* c1b v+ :> c1c
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a2 { 2 2 2 2 } vshuffle b3 v* c2b v+ :> c2c
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a3 { 2 2 2 2 } vshuffle b3 v* c3b v+ :> c3c
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a4 { 2 2 2 2 } vshuffle b3 v* c4b v+ :> c4c
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a1 third b3 n*v c1b v+ :> c1c
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a2 third b3 n*v c2b v+ :> c2c
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a3 third b3 n*v c3b v+ :> c3c
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a4 third b3 n*v c4b v+ :> c4c
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a1 { 3 3 3 3 } vshuffle b4 v* c1c v+ :> c1
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a2 { 3 3 3 3 } vshuffle b4 v* c2c v+ :> c2
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a3 { 3 3 3 3 } vshuffle b4 v* c3c v+ :> c3
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a4 { 3 3 3 3 } vshuffle b4 v* c4c v+ :> c4
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a1 fourth b4 n*v c1c v+
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a2 fourth b4 n*v c2c v+
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a3 fourth b4 n*v c3c v+
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a4 fourth b4 n*v c4c v+
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c1 c rows>> set-first
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c2 c rows>> set-second
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c3 c rows>> set-third
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c4 c rows>> set-fourth
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c ;
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c set-rows ;
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CONSTANT: identity-matrix4
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S{ matrix4 f
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@ -126,17 +109,13 @@ TYPED:: scale-matrix4 ( factors: float-4 -- matrix: matrix4 )
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matrix4 (struct) :> c
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factors { t t t f } vmask :> factors'
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factors' { 0 3 3 3 } vshuffle :> c1
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factors' { 3 1 3 3 } vshuffle :> c2
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factors' { 3 3 2 3 } vshuffle :> c3
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float-4{ 0.0 0.0 0.0 1.0 } :> c4
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c1 c rows>> set-first
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c2 c rows>> set-second
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c3 c rows>> set-third
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c4 c rows>> set-fourth
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factors' { 0 3 3 3 } vshuffle
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factors' { 3 1 3 3 } vshuffle
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factors' { 3 3 2 3 } vshuffle
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float-4{ 0.0 0.0 0.0 1.0 }
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c ;
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c set-rows ;
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: ortho-matrix4 ( factors -- matrix )
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float-4{ 1.0 1.0 1.0 1.0 } swap v/ scale-matrix4 ; inline
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@ -146,16 +125,13 @@ TYPED:: translation-matrix4 ( offset: float-4 -- matrix: matrix4 )
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float-4{ 0.0 0.0 0.0 1.0 } :> c4
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{ t t t f } offset c4 v? :> offset'
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offset' { 3 3 3 0 } vshuffle { t f f t } vmask :> c1
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offset' { 3 3 3 1 } vshuffle { f t f t } vmask :> c2
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offset' { 3 3 3 2 } vshuffle { f f t t } vmask :> c3
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c1 c rows>> set-first
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c2 c rows>> set-second
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c3 c rows>> set-third
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c4 c rows>> set-fourth
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offset' { 3 3 3 0 } vshuffle { t f f t } vmask
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offset' { 3 3 3 1 } vshuffle { f t f t } vmask
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offset' { 3 3 3 2 } vshuffle { f f t t } vmask
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c4
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c ;
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c set-rows ;
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TYPED:: rotation-matrix4 ( axis: float-4 theta: float -- matrix: matrix4 )
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! x*x + c*(1.0 - x*x) x*y*(1.0 - c) - s*z x*z*(1.0 - c) + s*y 0
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@ -183,34 +159,27 @@ TYPED:: rotation-matrix4 ( axis: float-4 theta: float -- matrix: matrix4 )
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triangle-a triangle-b v- :> triangle-hi
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diagonal scale-matrix4 :> diagonal-m
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triangle-hi { 3 0 1 3 } vshuffle :> tri1
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triangle-hi { 3 3 2 3 } vshuffle
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triangle-lo { 0 3 3 3 } vshuffle v+ :> tri2
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triangle-lo { 1 2 3 3 } vshuffle :> tri3
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tri1 triangle-m rows>> set-first
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tri2 triangle-m rows>> set-second
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tri3 triangle-m rows>> set-third
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float-4 new triangle-m rows>> set-fourth
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triangle-hi { 3 0 1 3 } vshuffle
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triangle-hi { 3 3 2 3 } vshuffle triangle-lo { 0 3 3 3 } vshuffle v+
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triangle-lo { 1 2 3 3 } vshuffle
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float-4 new
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triangle-m set-rows drop
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diagonal-m triangle-m m4+ ;
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TYPED:: frustum-matrix4 ( xy: float-4 near: float far: float -- matrix: matrix4 )
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matrix4 (struct) :> c
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float-4{ 0.0 0.0 -1.0 0.0 } :> c4
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near near near far + 2 near far * * float-4-boa :> num
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{ t t f f } xy near far - float-4-with v? :> denom
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num denom v/ :> fov
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fov { 0 0 0 0 } vshuffle { t f f f } vmask :> c1
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fov { 1 1 1 1 } vshuffle { f t f f } vmask :> c2
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fov { 2 2 2 3 } vshuffle { f f t t } vmask :> c3
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fov { 0 0 0 0 } vshuffle { t f f f } vmask
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fov { 1 1 1 1 } vshuffle { f t f f } vmask
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fov { 2 2 2 3 } vshuffle { f f t t } vmask
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float-4{ 0.0 0.0 -1.0 0.0 }
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c1 c rows>> set-first
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c2 c rows>> set-second
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c3 c rows>> set-third
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c4 c rows>> set-fourth
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c ;
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c set-rows ;
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