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View of /branches/vis15/src/compiler/gen/ir/high-ir.spec

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Revision 5307 - (download) (annotate)
Tue Aug 15 03:04:39 2017 UTC (2 years, 9 months ago) by jhr
File size: 3922 byte(s)
  integer norm
# specification of operators for HighIR version of the IR.  Each line (other than comments)
# specifies an operator using five fields, which are separated by ":".  The fields are
#       name
#       argument type           (optional)
#       result arity
#       arity
#       comment                 (optional)
#
# Operations with effects are denoted by a "!" as the first character of the line.
#
# integer operations
IAdd : : 1 : 2 : integer addition
ISub : : 1 : 2 : integer subtraction
IMul : : 1 : 2 : integer multiplication
IDiv : : 1 : 2 : integer division
IMod : : 1 : 2 : integer modulo
INeg : : 1 : 1 : integer negation
IAbs : : 1 : 1 : integer abs()
LT : ty : 1 : 2 :
LTE : ty : 1 : 2 :
EQ : ty : 1 : 2 :
NEQ : ty : 1 : 2 :
GT : ty : 1 : 2 :
GTE : ty : 1 : 2 :
Power : : 1 : 2 : raise real to integer power
BAnd : : 1 : 2 : boolean and
BOr : : 1 : 2 : boolean or
BNot : : 1 : 1 : boolean negation
Max : ty : 1 : 2 :
Min : ty : 1 : 2 :
### vector operations
#
Eigen2x2 : : 2 : 1 : Eigenvector and values for 2x2 matrix
Eigen3x3 : : 2 : 1 : Eigenvector and values for 3x3 matrix
# Zero<ty>() -- zero tensor
Zero : ty : 1 : 0 : all zeros tensor
TensorIndex : ty * shape : 1 : 1 : tensor index (special case of slice)
#
### tuple operations
#
# Select<ty,i>(u)  -- select ith element of tuple; ty is tuple type
Select : ty * int : 1 : 1 :
#
### operations on sequences
#
# Subscript<ty>(u,i) -- select ith element of sequence; ty is type of sequence
Subscript : ty : 1 : 2 :
# MkDynamic<ty,n> -- make a sequence with type ty[n] into a dynamic sequence
!MkDynamic : ty * int : 1 : 1 : make a fixed-length sequence dynamic
!Append : ty : 1 : 2 : append an element onto a dynamic sequence
!Prepend : ty : 1 : 2 : prepend an element onto a dynamic sequence
!Concat : ty : 1 : 2 : concatenate two dynamic sequences
# Range(lo,hi) -- create a sequence with values [lo, lo+1, ..., hi]
Range : : 1 : 2 : create a range sequence
# Length<ty> -- return the length of a sequence with type ty[]
Length : ty : 1 : 1 : return the length of a dynamic sequence
#
# SphereQuery<dim,seqTy>(pos, radius)
SphereQuery : int * ty : 1 : 2 : find strands within a sphere
#
# conversions
IntToReal : : 1 : 1 :
TruncToInt : : 1 : 1 :
RoundToInt : : 1 : 1 :
CeilToInt : : 1 : 1 :
FloorToInt : : 1 : 1 :
#
# Strand operations
#
# NumStrands<S>() -- denotes the number of strands in the strand set S
#
NumStrands : StrandSets.t : 1 : 0 :
#
# Strands<ty,S>() -- denotes the list of strands in the strand set S; ty is the strand type
Strands : ty * StrandSets.t : 1 : 0 :
#
# image/field operations
Kernel       : Kernel.t * int  : 1 : 0 : Kernel<h, k>, where h is the kernel and k is level of differentiation
# Inside<I,s>(n,V) -- tests to see if the index sequence n is inside the domain of V.
# I is the image info for V, s is the size of the sample to be loaded (see LoadVoxels)
Inside : ImageInfo.t * int : 1 : 2 :
# ImageDim<I,i>(V) -- returns the i'th dimension of the image
ImageDim : ImageInfo.t * int : 1 : 1 :
# BorderCtlDefault<I>(V,t) -- wrap the image V with the border control that returns a default value t
BorderCtlDefault : ImageInfo.t : 1 : 2 :
# BorderCtlClamp<I>(V) -- wrap the image V with the border control that clamps the index
BorderCtlClamp : ImageInfo.t : 1 : 1 :
# BorderCtlMirror<I>(V) -- wrap the image V with the border control that mirrors the index
BorderCtlMirror : ImageInfo.t : 1 : 1 :
# BorderCtlWrap<I>(V) -- wrap the image V with the border control that wraps the index
BorderCtlWrap : ImageInfo.t : 1 : 1 :
#
# nrrd file loading
LoadSeq   : ty * string : 1 : 0 : load sequence from nrrd file
LoadImage : ty * string : 1 : 0 : load image from nrrd file
#
# Kill all active strands
!KillAll : : 0 : 0 :
#
# Stabilize all active strands
!StabilizeAll : : 0 : 0 :
#
# printing support for debugging
!Print : tys : 0 : * : print strings
#
# unlifted math functions
MathFn : MathFns.t : 1 : * : math function

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