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Merge branch 'master' of git://factorcode.org/git/factor

db4
Doug Coleman 2009-10-02 15:55:07 -05:00
parent 1310aff3d8 f93dcfc792
commit 347e58a79b
1 changed files with 18 additions and 7 deletions
basis/math/vectors

25
basis/math/vectors/vectors-docs.factor
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@ -38,8 +38,20 @@ ARTICLE: "math-vectors-arithmetic" "Vector arithmetic"
{ $subsection distance }
{ $subsection v~ } ;
ARTICLE: "math-vectors-logic" "Vector componentwise logic"
ARTICLE: "math-vectors-shuffle" "Vector shuffling, packing, and unpacking"
{ $notes
"These operations are primarily meant to be used with " { $vocab-link "math.vectors.simd" } " types. The software fallbacks for types not supported by hardware will not perform well."
}
$nl
{ $subsection vshuffle }
{ $subsection vbroadcast }
{ $subsection hlshift }
{ $subsection hrshift } ;
ARTICLE: "math-vectors-logic" "Vector component- and bit-wise logic"
{ $notes
"See " { $link "math-vectors-simd-logic" } " for notes about using comparison and logical operations with SIMD vector types."
}
$nl
"Element comparisons:"
{ $subsection v< }
@ -67,12 +79,10 @@ $nl
{ $subsection vxor }
{ $subsection vnot }
{ $subsection v? }
"Entire vector tests:"
"Vector tests:"
{ $subsection vall? }
{ $subsection vany? }
{ $subsection vnone? }
"Element shuffling:"
{ $subsection vshuffle } ;
{ $subsection vnone? } ;
ARTICLE: "math-vectors-misc" "Miscellaneous vector functions"
{ $subsection trilerp }
@ -143,6 +153,7 @@ ARTICLE: "math-vectors" "Vector operations"
"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"
@ -312,11 +323,11 @@ HELP: vrshift
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" } }