Classes |
class | array |
Namespaces |
namespace | af |
Defines |
#define | NOMINMAX |
#define | REST |
#define | group(...) |
#define | CONSTR(what, dims,...) |
#define | SELF(op) |
#define | BIN(op) |
#define | LOGIC(op) |
#define | COMPARISON(op) |
#define | GEN(what,...) |
#define | SPARSE(ty) |
#define | UNARY(fn) |
#define | UNARY_REAL(fn) |
#define | BINARY_EXTRA(fn, a, b, comment,...) |
#define | BINARY_NAMED(fn, a, b, comment) BINARY_EXTRA(fn,a,b,comment,) |
#define | BINARY(fn, comment) |
#define | EXTREMUM(fn, OP) |
#define | print(exp) |
| Show expression and its contents.
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Typedefs |
typedef cuDoubleComplex | cuDComplex |
Enumerations |
enum | dtype {
f32,
c32,
f64,
c64,
b8,
s32,
u32
} |
| Tokens indicating data type.
More...
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enum | af_source_t { afDevicePointer,
afHostPointer
} |
| Specify which address-space pointer belongs.
More...
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enum | af_sparse_t { AF_SP_CSR,
AF_SP_CSC,
AF_SP_COO
} |
| Specify which sparse storage type.
More...
|
Functions |
array | mul (const array &, const array &) |
| elementwise multiply
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array | mul (const array &, const double scalar) |
| multiply array with scalar
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array | mul (const double scalar, const array &) |
| multiply array with scalar
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array | getrow (int nrows, int *rows_idx, array sp) |
array | getcol (int ncols, int *cols_idx, array sp) |
array | convert (const array &, dtype type) |
| convert array to another type
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array | sin (const array &x) |
array | sinh (const array &x) |
array | asin (const array &x) |
array | asinh (const array &x) |
array | cos (const array &x) |
array | cosh (const array &x) |
array | acos (const array &x) |
array | acosh (const array &x) |
array | tan (const array &x) |
array | tanh (const array &x) |
array | atan (const array &x) |
array | atanh (const array &x) |
array | isFinite (const array &x) |
| True iff finite.
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array | isInfinite (const array &x) |
| True iff infinity.
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array | isNan (const array &x) |
| True iff NaN.
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array | sign (const array &x) |
array | sqrt (const array &x, bool isreal=false) |
| Assume output will be real if isreal==true (faster), otherwise produce complex values if necessary (slower to check)
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array | root (const array &radicand, const array &n) |
| Calculate n-th root of real-valued radicand .
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array | root (const array &radicand, const double n) |
| Calculate n-th root of real-valued radicand .
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array | root (const double radicand, const array &n) |
| Calculate n-th root of real-valued radicand .
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array | pow2 (const array &x) |
| Two raised to power x (2^x)
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array | pow (const array &base, const array &power, bool isreal=false) |
| base raised to power (exponent).
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array | pow (const array &base, const double power, bool isreal=false) |
| base raised to power (exponent).
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array | pow (const double base, const array &power, bool isreal=false) |
| base raised to power (exponent).
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array | ceil (const array &x) |
| Smallest integral value not less than x (round toward inf)
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array | floor (const array &x) |
| Largest integral value not greater than x (round toward negative inf)
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array | round (const array &x) |
| Round to nearest integer (away from zero).
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array | trunc (const array &x) |
| Round to nearest integer (towards zero).
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array | factorial (const array &x) |
array | min (const array &x, const array &y) |
| Minimum between x and y at every position.
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array | min (const double x, const array &y) |
| Minimum between x and every element of y .
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array | max (const array &x, const array &y) |
| Maximum between x and y at every position.
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array | max (const double x, const array &y) |
| Maximum between x and every element of y .
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array | log (const array &x, bool isreal=false) |
| Assume output will be real if isreal==true (faster), otherwise produce complex values if necessary (slower to check)
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array | log2 (const array &x) |
array | log10 (const array &x) |
array | log1p (const array &x) |
array | exp (const array &x) |
array | expm1 (const array &x) |
array | gamma (const array &x) |
array | gammaln (const array &x) |
array | epsilon (const array &x) |
array | erf (const array &x) |
array | erfc (const array &x) |
array | erfinv (const array &x) |
array | erfcinv (const array &x) |
array | abs (const array &x) |
| Absolute value of real or complex number (result is real)
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array | arg (const array &x) |
| Phase angle (radians)
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array | conj (const array &x) |
| Complex conjugate (no effect on real values)
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array | real (const array &x) |
| Real component of array.
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array | imag (const array &x) |
| Imaginary component of array.
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array | complex (const array &x) |
| Form a complex result from one real input.
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array | complex (const array &real, const array &imaginary) |
| Form a complex result from real and imaginary parts.
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array | complex (const array &real, const double imaginary) |
| Form a complex result from real and imaginary parts.
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array | complex (const double real, const array &imaginary) |
| Form a complex result from real and imaginary parts.
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array | atan2 (const array &, const array &) |
| arc tangent function of two variables
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array | atan2 (const array &, const double) |
| arc tangent function of two variables
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array | atan2 (const double, const array &) |
| arc tangent function of two variables
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array | hypot (const array &, const array &) |
| Euclidean distance function without undue overflow or underflow during intermediate steps.
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array | hypot (const array &, const double) |
| Euclidean distance function without undue overflow or underflow during intermediate steps.
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array | hypot (const double, const array &) |
| Euclidean distance function without undue overflow or underflow during intermediate steps.
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array | rem (const array &, const array &) |
| remainder
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array | rem (const array &, const double) |
| remainder
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array | rem (const double, const array &) |
| remainder
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array | mod (const array &x, const array &y) |
| Compute x-n*y where n is quotient of x/y .
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array | mod (const array &x, const double y) |
| Compute x-n*y where n is quotient of x/y .
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array | mod (const double x, const array &y) |
| Compute x-n*y where n is quotient of x/y .
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void | disp (const array exp, const char *expstr=NULL) |
| Display the value of a variable (see print)
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array | lower (const array &input, int diagonal=0) |
| Extract lower triangular matrix.
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array | upper (const array &input, int diagonal=0) |
| Extract upper triangular matrix.
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array | diagonal (const array &input, int diag=0) |
| Extract or form diagonal matrix.
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array | join (const array &A, const array &B, int dim=0) |
| Join two arrays along dimension dim .
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array | newdims (const array &input, const dim4 &newdims) |
| Adjust the dimensions of an N-D array (fast).
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array | newdims (const array &input, int dim0, int dim1=1, int dim2=1, int dim3=1) |
| Adjust the dimensions of an N-D array (fast).
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array | flipv (const array &in) |
| Flip matrix vertically.
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array | fliph (const array &in) |
| Flip matrix vertically.
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array | flipdim (const array &in, unsigned dim) |
| Flip array along a given dimension.
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void | sync () |
| Block until device has finished all queued operations.
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array | eval (array a) |
| Evaluate an expression (nonblocking).
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void | eval (array a, array b) |
void | eval (array a, array b, array c) |
void | eval (array a, array b, array c, array d) |
void | eval (array a, array b, array c, array d, array e) |
void | eval (array a, array b, array c, array d, array e, array f) |
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array | dot (const array &, const double) |
array | dot (const double, const array &) |
array | dot (const array &, const array &) |
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array | ones (unsigned nx, dtype ty=f32) |
array | zeros (unsigned nx, dtype ty=f32) |
array | identity (unsigned nx, dtype ty=f32) |
array | randu (unsigned nx, dtype ty=f32) |
array | randn (unsigned nx, dtype ty=f32) |
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array | ones (unsigned nx, unsigned ny, dtype ty=f32) |
array | zeros (unsigned nx, unsigned ny, dtype ty=f32) |
array | identity (unsigned nx, unsigned ny, dtype ty=f32) |
array | randu (unsigned nx, unsigned ny, dtype ty=f32) |
array | randn (unsigned nx, unsigned ny, dtype ty=f32) |
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array | ones (unsigned nx, unsigned ny, unsigned nz, dtype ty=f32) |
array | zeros (unsigned nx, unsigned ny, unsigned nz, dtype ty=f32) |
array | identity (unsigned nx, unsigned ny, unsigned nz, dtype ty=f32) |
array | randu (unsigned nx, unsigned ny, unsigned nz, dtype ty=f32) |
array | randn (unsigned nx, unsigned ny, unsigned nz, dtype ty=f32) |
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array | ones (unsigned d0, unsigned d1, unsigned d2, unsigned d3, dtype ty=f32) |
array | zeros (unsigned d0, unsigned d1, unsigned d2, unsigned d3, dtype ty=f32) |
array | identity (unsigned d0, unsigned d1, unsigned d2, unsigned d3, dtype ty=f32) |
array | randu (unsigned d0, unsigned d1, unsigned d2, unsigned d3, dtype ty=f32) |
array | randn (unsigned d0, unsigned d1, unsigned d2, unsigned d3, dtype ty=f32) |
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array | ones (const dim4 &dims, dtype ty=f32) |
array | zeros (const dim4 &dims, dtype ty=f32) |
array | identity (const dim4 &dims, dtype ty=f32) |
array | randu (const dim4 &dims, dtype ty=f32) |
array | randn (const dim4 &dims, dtype ty=f32) |
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- Parameters:
-
[in] | rows | Number of rows in the matrix |
[in] | cols | Number of columns in the Matrix |
[in] | nnz | Number of non zero elements |
[in] | values | Array containing nonzero values |
[in] | rowptr | Row indices in CSR format |
[in] | colind | Column indices in CSR format |
[in] | src | Specify if pointers are from Host (default) or device |
[in] | ngfor | The gfor tile size (default 0) |
- Returns:
- out A sparse array of size(m, n). out.dims(2) returns nnz;
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array | sparse (int rows, int cols, int nnz, const float *values, const int *rowptr, const int *colind, af_source_t src=afHostPointer, unsigned ngfor=0) |
array | sparse (int rows, int cols, int nnz, const double *values, const int *rowptr, const int *colind, af_source_t src=afHostPointer, unsigned ngfor=0) |
array | sparse (int rows, int cols, int nnz, const cuComplex *values, const int *rowptr, const int *colind, af_source_t src=afHostPointer, unsigned ngfor=0) |
array | sparse (int rows, int cols, int nnz, const cuDComplex *values, const int *rowptr, const int *colind, af_source_t src=afHostPointer, unsigned ngfor=0) |
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- Parameters:
-
[in] | dense | Matrix stored as dense |
- Returns:
- out A sparse matrix stored in CSR format
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array | sparse (array dense) |
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- Parameters:
-
[in] | I | Array containing row indices |
[in] | J | Array containing column indices |
[in] | val | Array containing non zero values |
[in] | rows | Number of rows (default -1. Uses max(I) for COO, I.elements() - 1 for CSR) |
[in] | cols | Number of columns (default -1. Uses max(J)) |
[in] | format | The format of I, J, val (default: COO) |
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array | sparse (array &I, array &J, array &val, int rows=-1, int cols=-1, af_sparse_t format=AF_SP_COO) |
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- Parameters:
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[in] | sparse | Sparse matrix generated by arrayfire |
- Returns:
- dense matrix
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array | dense (array sparse) |
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- Parameters:
-
[in] | sp | The sparse matrix |
[in] | format | The required output format |
[out] | I | The row indices |
[out] | J | The column indices |
[out] | Val | The non zero values |
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afError | where (array &I, array &J, array &Val, array sp, af_sparse_t format=AF_SP_COO) |