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gonum/blas/blas.go
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// Copyright ©2013 The gonum Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package blas provides interfaces for the BLAS linear algebra standard.
All methods must perform appropriate parameter checking and panic if
provided parameters that do not conform to the requirements specified
by the BLAS standard.
Quick Reference Guide to the BLAS from http://www.netlib.org/lapack/lug/node145.html
This version is modified to remove the "order" option. All matrix operations are
on row-order matrices.
Level 1 BLAS
dim scalar vector vector scalars 5-element prefixes
struct
_rotg ( a, b ) S, D
_rotmg( d1, d2, a, b ) S, D
_rot ( n, x, incX, y, incY, c, s ) S, D
_rotm ( n, x, incX, y, incY, param ) S, D
_swap ( n, x, incX, y, incY ) S, D, C, Z
_scal ( n, alpha, x, incX ) S, D, C, Z, Cs, Zd
_copy ( n, x, incX, y, incY ) S, D, C, Z
_axpy ( n, alpha, x, incX, y, incY ) S, D, C, Z
_dot ( n, x, incX, y, incY ) S, D, Ds
_dotu ( n, x, incX, y, incY ) C, Z
_dotc ( n, x, incX, y, incY ) C, Z
__dot ( n, alpha, x, incX, y, incY ) Sds
_nrm2 ( n, x, incX ) S, D, Sc, Dz
_asum ( n, x, incX ) S, D, Sc, Dz
I_amax( n, x, incX ) s, d, c, z
Level 2 BLAS
options dim b-width scalar matrix vector scalar vector prefixes
_gemv ( trans, m, n, alpha, a, lda, x, incX, beta, y, incY ) S, D, C, Z
_gbmv ( trans, m, n, kL, kU, alpha, a, lda, x, incX, beta, y, incY ) S, D, C, Z
_hemv ( uplo, n, alpha, a, lda, x, incX, beta, y, incY ) C, Z
_hbmv ( uplo, n, k, alpha, a, lda, x, incX, beta, y, incY ) C, Z
_hpmv ( uplo, n, alpha, ap, x, incX, beta, y, incY ) C, Z
_symv ( uplo, n, alpha, a, lda, x, incX, beta, y, incY ) S, D
_sbmv ( uplo, n, k, alpha, a, lda, x, incX, beta, y, incY ) S, D
_spmv ( uplo, n, alpha, ap, x, incX, beta, y, incY ) S, D
_trmv ( uplo, trans, diag, n, a, lda, x, incX ) S, D, C, Z
_tbmv ( uplo, trans, diag, n, k, a, lda, x, incX ) S, D, C, Z
_tpmv ( uplo, trans, diag, n, ap, x, incX ) S, D, C, Z
_trsv ( uplo, trans, diag, n, a, lda, x, incX ) S, D, C, Z
_tbsv ( uplo, trans, diag, n, k, a, lda, x, incX ) S, D, C, Z
_tpsv ( uplo, trans, diag, n, ap, x, incX ) S, D, C, Z
options dim scalar vector vector matrix prefixes
_ger ( m, n, alpha, x, incX, y, incY, a, lda ) S, D
_geru ( m, n, alpha, x, incX, y, incY, a, lda ) C, Z
_gerc ( m, n, alpha, x, incX, y, incY, a, lda ) C, Z
_her ( uplo, n, alpha, x, incX, a, lda ) C, Z
_hpr ( uplo, n, alpha, x, incX, ap ) C, Z
_her2 ( uplo, n, alpha, x, incX, y, incY, a, lda ) C, Z
_hpr2 ( uplo, n, alpha, x, incX, y, incY, ap ) C, Z
_syr ( uplo, n, alpha, x, incX, a, lda ) S, D
_spr ( uplo, n, alpha, x, incX, ap ) S, D
_syr2 ( uplo, n, alpha, x, incX, y, incY, a, lda ) S, D
_spr2 ( uplo, n, alpha, x, incX, y, incY, ap ) S, D
Level 3 BLAS
options dim scalar matrix matrix scalar matrix prefixes
_gemm ( transA, transB, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc ) S, D, C, Z
_symm ( side, uplo, m, n, alpha, a, lda, b, ldb, beta, c, ldc ) S, D, C, Z
_hemm ( side, uplo, m, n, alpha, a, lda, b, ldb, beta, c, ldc ) C, Z
_syrk ( uplo, trans, n, k, alpha, a, lda, beta, c, ldc ) S, D, C, Z
_herk ( uplo, trans, n, k, alpha, a, lda, beta, c, ldc ) C, Z
_syr2k( uplo, trans, n, k, alpha, a, lda, b, ldb, beta, c, ldc ) S, D, C, Z
_her2k( uplo, trans, n, k, alpha, a, lda, b, ldb, beta, c, ldc ) C, Z
_trmm ( side, uplo, transA, diag, m, n, alpha, a, lda, b, ldb ) S, D, C, Z
_trsm ( side, uplo, transA, diag, m, n, alpha, a, lda, b, ldb ) S, D, C, Z
Meaning of prefixes
S - float32 C - complex64
D - float64 Z - complex128
Matrix types
GE - GEneral GB - General Band
SY - SYmmetric SB - Symmetric Band SP - Symmetric Packed
HE - HErmitian HB - Hermitian Band HP - Hermitian Packed
TR - TRiangular TB - Triangular Band TP - Triangular Packed
Options
trans = NoTrans, Trans, ConjTrans
uplo = Upper, Lower
diag = Nonunit, Unit
side = Left, Right (A or op(A) on the left, or A or op(A) on the right)
For real matrices, Trans and ConjTrans have the same meaning.
For Hermitian matrices, trans = Trans is not allowed.
For complex symmetric matrices, trans = ConjTrans is not allowed.
*/
package blas // import "gonum.org/v1/gonum/blas"
// Flag constants indicate Givens transformation H matrix state.
type Flag int
const (
Identity Flag = iota - 2 // H is the identity matrix; no rotation is needed.
Rescaling // H specifies rescaling.
OffDiagonal // Off-diagonal elements of H are units.
Diagonal // Diagonal elements of H are units.
)
// SrotmParams contains Givens transformation parameters returned
// by the Float32 Srotm method.
type SrotmParams struct {
Flag
H [4]float32 // Column-major 2 by 2 matrix.
}
// DrotmParams contains Givens transformation parameters returned
// by the Float64 Drotm method.
type DrotmParams struct {
Flag
H [4]float64 // Column-major 2 by 2 matrix.
}
// Transpose is used to specify the transposition operation for a
// routine.
type Transpose int
const (
NoTrans Transpose = 111 + iota
Trans
ConjTrans
)
// Uplo is used to specify whether the matrix is an upper or lower
// triangular matrix.
type Uplo int
const (
All Uplo = 120 + iota
Upper
Lower
)
// Diag is used to specify whether the matrix is a unit or non-unit
// triangular matrix.
type Diag int
const (
NonUnit Diag = 131 + iota
Unit
)
// Side is used to specify from which side a multiplication operation
// is performed.
type Side int
const (
Left Side = 141 + iota
Right
)
// Float32 implements the single precision real BLAS routines.
type Float32 interface {
Float32Level1
Float32Level2
Float32Level3
}
// Float32Level1 implements the single precision real BLAS Level 1 routines.
type Float32Level1 interface {
Sdsdot(n int, alpha float32, x []float32, incX int, y []float32, incY int) float32
Dsdot(n int, x []float32, incX int, y []float32, incY int) float64
Sdot(n int, x []float32, incX int, y []float32, incY int) float32
Snrm2(n int, x []float32, incX int) float32
Sasum(n int, x []float32, incX int) float32
Isamax(n int, x []float32, incX int) int
Sswap(n int, x []float32, incX int, y []float32, incY int)
Scopy(n int, x []float32, incX int, y []float32, incY int)
Saxpy(n int, alpha float32, x []float32, incX int, y []float32, incY int)
Srotg(a, b float32) (c, s, r, z float32)
Srotmg(d1, d2, b1, b2 float32) (p SrotmParams, rd1, rd2, rb1 float32)
Srot(n int, x []float32, incX int, y []float32, incY int, c, s float32)
Srotm(n int, x []float32, incX int, y []float32, incY int, p SrotmParams)
Sscal(n int, alpha float32, x []float32, incX int)
}
// Float32Level2 implements the single precision real BLAS Level 2 routines.
type Float32Level2 interface {
Sgemv(tA Transpose, m, n int, alpha float32, a []float32, lda int, x []float32, incX int, beta float32, y []float32, incY int)
Sgbmv(tA Transpose, m, n, kL, kU int, alpha float32, a []float32, lda int, x []float32, incX int, beta float32, y []float32, incY int)
Strmv(ul Uplo, tA Transpose, d Diag, n int, a []float32, lda int, x []float32, incX int)
Stbmv(ul Uplo, tA Transpose, d Diag, n, k int, a []float32, lda int, x []float32, incX int)
Stpmv(ul Uplo, tA Transpose, d Diag, n int, ap []float32, x []float32, incX int)
Strsv(ul Uplo, tA Transpose, d Diag, n int, a []float32, lda int, x []float32, incX int)
Stbsv(ul Uplo, tA Transpose, d Diag, n, k int, a []float32, lda int, x []float32, incX int)
Stpsv(ul Uplo, tA Transpose, d Diag, n int, ap []float32, x []float32, incX int)
Ssymv(ul Uplo, n int, alpha float32, a []float32, lda int, x []float32, incX int, beta float32, y []float32, incY int)
Ssbmv(ul Uplo, n, k int, alpha float32, a []float32, lda int, x []float32, incX int, beta float32, y []float32, incY int)
Sspmv(ul Uplo, n int, alpha float32, ap []float32, x []float32, incX int, beta float32, y []float32, incY int)
Sger(m, n int, alpha float32, x []float32, incX int, y []float32, incY int, a []float32, lda int)
Ssyr(ul Uplo, n int, alpha float32, x []float32, incX int, a []float32, lda int)
Sspr(ul Uplo, n int, alpha float32, x []float32, incX int, ap []float32)
Ssyr2(ul Uplo, n int, alpha float32, x []float32, incX int, y []float32, incY int, a []float32, lda int)
Sspr2(ul Uplo, n int, alpha float32, x []float32, incX int, y []float32, incY int, a []float32)
}
// Float32Level3 implements the single precision real BLAS Level 3 routines.
type Float32Level3 interface {
Sgemm(tA, tB Transpose, m, n, k int, alpha float32, a []float32, lda int, b []float32, ldb int, beta float32, c []float32, ldc int)
Ssymm(s Side, ul Uplo, m, n int, alpha float32, a []float32, lda int, b []float32, ldb int, beta float32, c []float32, ldc int)
Ssyrk(ul Uplo, t Transpose, n, k int, alpha float32, a []float32, lda int, beta float32, c []float32, ldc int)
Ssyr2k(ul Uplo, t Transpose, n, k int, alpha float32, a []float32, lda int, b []float32, ldb int, beta float32, c []float32, ldc int)
Strmm(s Side, ul Uplo, tA Transpose, d Diag, m, n int, alpha float32, a []float32, lda int, b []float32, ldb int)
Strsm(s Side, ul Uplo, tA Transpose, d Diag, m, n int, alpha float32, a []float32, lda int, b []float32, ldb int)
}
// Float64 implements the single precision real BLAS routines.
type Float64 interface {
Float64Level1
Float64Level2
Float64Level3
}
// Float64Level1 implements the double precision real BLAS Level 1 routines.
type Float64Level1 interface {
Ddot(n int, x []float64, incX int, y []float64, incY int) float64
Dnrm2(n int, x []float64, incX int) float64
Dasum(n int, x []float64, incX int) float64
Idamax(n int, x []float64, incX int) int
Dswap(n int, x []float64, incX int, y []float64, incY int)
Dcopy(n int, x []float64, incX int, y []float64, incY int)
Daxpy(n int, alpha float64, x []float64, incX int, y []float64, incY int)
Drotg(a, b float64) (c, s, r, z float64)
Drotmg(d1, d2, b1, b2 float64) (p DrotmParams, rd1, rd2, rb1 float64)
Drot(n int, x []float64, incX int, y []float64, incY int, c float64, s float64)
Drotm(n int, x []float64, incX int, y []float64, incY int, p DrotmParams)
Dscal(n int, alpha float64, x []float64, incX int)
}
// Float64Level2 implements the double precision real BLAS Level 2 routines.
type Float64Level2 interface {
Dgemv(tA Transpose, m, n int, alpha float64, a []float64, lda int, x []float64, incX int, beta float64, y []float64, incY int)
Dgbmv(tA Transpose, m, n, kL, kU int, alpha float64, a []float64, lda int, x []float64, incX int, beta float64, y []float64, incY int)
Dtrmv(ul Uplo, tA Transpose, d Diag, n int, a []float64, lda int, x []float64, incX int)
Dtbmv(ul Uplo, tA Transpose, d Diag, n, k int, a []float64, lda int, x []float64, incX int)
Dtpmv(ul Uplo, tA Transpose, d Diag, n int, ap []float64, x []float64, incX int)
Dtrsv(ul Uplo, tA Transpose, d Diag, n int, a []float64, lda int, x []float64, incX int)
Dtbsv(ul Uplo, tA Transpose, d Diag, n, k int, a []float64, lda int, x []float64, incX int)
Dtpsv(ul Uplo, tA Transpose, d Diag, n int, ap []float64, x []float64, incX int)
Dsymv(ul Uplo, n int, alpha float64, a []float64, lda int, x []float64, incX int, beta float64, y []float64, incY int)
Dsbmv(ul Uplo, n, k int, alpha float64, a []float64, lda int, x []float64, incX int, beta float64, y []float64, incY int)
Dspmv(ul Uplo, n int, alpha float64, ap []float64, x []float64, incX int, beta float64, y []float64, incY int)
Dger(m, n int, alpha float64, x []float64, incX int, y []float64, incY int, a []float64, lda int)
Dsyr(ul Uplo, n int, alpha float64, x []float64, incX int, a []float64, lda int)
Dspr(ul Uplo, n int, alpha float64, x []float64, incX int, ap []float64)
Dsyr2(ul Uplo, n int, alpha float64, x []float64, incX int, y []float64, incY int, a []float64, lda int)
Dspr2(ul Uplo, n int, alpha float64, x []float64, incX int, y []float64, incY int, a []float64)
}
// Float64Level3 implements the double precision real BLAS Level 3 routines.
type Float64Level3 interface {
Dgemm(tA, tB Transpose, m, n, k int, alpha float64, a []float64, lda int, b []float64, ldb int, beta float64, c []float64, ldc int)
Dsymm(s Side, ul Uplo, m, n int, alpha float64, a []float64, lda int, b []float64, ldb int, beta float64, c []float64, ldc int)
Dsyrk(ul Uplo, t Transpose, n, k int, alpha float64, a []float64, lda int, beta float64, c []float64, ldc int)
Dsyr2k(ul Uplo, t Transpose, n, k int, alpha float64, a []float64, lda int, b []float64, ldb int, beta float64, c []float64, ldc int)
Dtrmm(s Side, ul Uplo, tA Transpose, d Diag, m, n int, alpha float64, a []float64, lda int, b []float64, ldb int)
Dtrsm(s Side, ul Uplo, tA Transpose, d Diag, m, n int, alpha float64, a []float64, lda int, b []float64, ldb int)
}
// Complex64 implements the single precision complex BLAS routines.
type Complex64 interface {
Complex64Level1
Complex64Level2
Complex64Level3
}
// Complex64Level1 implements the single precision complex BLAS Level 1 routines.
type Complex64Level1 interface {
Cdotu(n int, x []complex64, incX int, y []complex64, incY int) (dotu complex64)
Cdotc(n int, x []complex64, incX int, y []complex64, incY int) (dotc complex64)
Scnrm2(n int, x []complex64, incX int) float32
Scasum(n int, x []complex64, incX int) float32
Icamax(n int, x []complex64, incX int) int
Cswap(n int, x []complex64, incX int, y []complex64, incY int)
Ccopy(n int, x []complex64, incX int, y []complex64, incY int)
Caxpy(n int, alpha complex64, x []complex64, incX int, y []complex64, incY int)
Cscal(n int, alpha complex64, x []complex64, incX int)
Csscal(n int, alpha float32, x []complex64, incX int)
}
// Complex64Level2 implements the single precision complex BLAS routines Level 2 routines.
type Complex64Level2 interface {
Cgemv(tA Transpose, m, n int, alpha complex64, a []complex64, lda int, x []complex64, incX int, beta complex64, y []complex64, incY int)
Cgbmv(tA Transpose, m, n, kL, kU int, alpha complex64, a []complex64, lda int, x []complex64, incX int, beta complex64, y []complex64, incY int)
Ctrmv(ul Uplo, tA Transpose, d Diag, n int, a []complex64, lda int, x []complex64, incX int)
Ctbmv(ul Uplo, tA Transpose, d Diag, n, k int, a []complex64, lda int, x []complex64, incX int)
Ctpmv(ul Uplo, tA Transpose, d Diag, n int, ap []complex64, x []complex64, incX int)
Ctrsv(ul Uplo, tA Transpose, d Diag, n int, a []complex64, lda int, x []complex64, incX int)
Ctbsv(ul Uplo, tA Transpose, d Diag, n, k int, a []complex64, lda int, x []complex64, incX int)
Ctpsv(ul Uplo, tA Transpose, d Diag, n int, ap []complex64, x []complex64, incX int)
Chemv(ul Uplo, n int, alpha complex64, a []complex64, lda int, x []complex64, incX int, beta complex64, y []complex64, incY int)
Chbmv(ul Uplo, n, k int, alpha complex64, a []complex64, lda int, x []complex64, incX int, beta complex64, y []complex64, incY int)
Chpmv(ul Uplo, n int, alpha complex64, ap []complex64, x []complex64, incX int, beta complex64, y []complex64, incY int)
Cgeru(m, n int, alpha complex64, x []complex64, incX int, y []complex64, incY int, a []complex64, lda int)
Cgerc(m, n int, alpha complex64, x []complex64, incX int, y []complex64, incY int, a []complex64, lda int)
Cher(ul Uplo, n int, alpha float32, x []complex64, incX int, a []complex64, lda int)
Chpr(ul Uplo, n int, alpha float32, x []complex64, incX int, a []complex64)
Cher2(ul Uplo, n int, alpha complex64, x []complex64, incX int, y []complex64, incY int, a []complex64, lda int)
Chpr2(ul Uplo, n int, alpha complex64, x []complex64, incX int, y []complex64, incY int, ap []complex64)
}
// Complex64Level3 implements the single precision complex BLAS Level 3 routines.
type Complex64Level3 interface {
Cgemm(tA, tB Transpose, m, n, k int, alpha complex64, a []complex64, lda int, b []complex64, ldb int, beta complex64, c []complex64, ldc int)
Csymm(s Side, ul Uplo, m, n int, alpha complex64, a []complex64, lda int, b []complex64, ldb int, beta complex64, c []complex64, ldc int)
Csyrk(ul Uplo, t Transpose, n, k int, alpha complex64, a []complex64, lda int, beta complex64, c []complex64, ldc int)
Csyr2k(ul Uplo, t Transpose, n, k int, alpha complex64, a []complex64, lda int, b []complex64, ldb int, beta complex64, c []complex64, ldc int)
Ctrmm(s Side, ul Uplo, tA Transpose, d Diag, m, n int, alpha complex64, a []complex64, lda int, b []complex64, ldb int)
Ctrsm(s Side, ul Uplo, tA Transpose, d Diag, m, n int, alpha complex64, a []complex64, lda int, b []complex64, ldb int)
Chemm(s Side, ul Uplo, m, n int, alpha complex64, a []complex64, lda int, b []complex64, ldb int, beta complex64, c []complex64, ldc int)
Cherk(ul Uplo, t Transpose, n, k int, alpha float32, a []complex64, lda int, beta float32, c []complex64, ldc int)
Cher2k(ul Uplo, t Transpose, n, k int, alpha complex64, a []complex64, lda int, b []complex64, ldb int, beta float32, c []complex64, ldc int)
}
// Complex128 implements the double precision complex BLAS routines.
type Complex128 interface {
Complex128Level1
Complex128Level2
Complex128Level3
}
// Complex128Level1 implements the double precision complex BLAS Level 1 routines.
type Complex128Level1 interface {
Zdotu(n int, x []complex128, incX int, y []complex128, incY int) (dotu complex128)
Zdotc(n int, x []complex128, incX int, y []complex128, incY int) (dotc complex128)
Dznrm2(n int, x []complex128, incX int) float64
Dzasum(n int, x []complex128, incX int) float64
Izamax(n int, x []complex128, incX int) int
Zswap(n int, x []complex128, incX int, y []complex128, incY int)
Zcopy(n int, x []complex128, incX int, y []complex128, incY int)
Zaxpy(n int, alpha complex128, x []complex128, incX int, y []complex128, incY int)
Zscal(n int, alpha complex128, x []complex128, incX int)
Zdscal(n int, alpha float64, x []complex128, incX int)
}
// Complex128Level2 implements the double precision complex BLAS Level 2 routines.
type Complex128Level2 interface {
Zgemv(tA Transpose, m, n int, alpha complex128, a []complex128, lda int, x []complex128, incX int, beta complex128, y []complex128, incY int)
Zgbmv(tA Transpose, m, n int, kL int, kU int, alpha complex128, a []complex128, lda int, x []complex128, incX int, beta complex128, y []complex128, incY int)
Ztrmv(ul Uplo, tA Transpose, d Diag, n int, a []complex128, lda int, x []complex128, incX int)
Ztbmv(ul Uplo, tA Transpose, d Diag, n, k int, a []complex128, lda int, x []complex128, incX int)
Ztpmv(ul Uplo, tA Transpose, d Diag, n int, ap []complex128, x []complex128, incX int)
Ztrsv(ul Uplo, tA Transpose, d Diag, n int, a []complex128, lda int, x []complex128, incX int)
Ztbsv(ul Uplo, tA Transpose, d Diag, n, k int, a []complex128, lda int, x []complex128, incX int)
Ztpsv(ul Uplo, tA Transpose, d Diag, n int, ap []complex128, x []complex128, incX int)
Zhemv(ul Uplo, n int, alpha complex128, a []complex128, lda int, x []complex128, incX int, beta complex128, y []complex128, incY int)
Zhbmv(ul Uplo, n, k int, alpha complex128, a []complex128, lda int, x []complex128, incX int, beta complex128, y []complex128, incY int)
Zhpmv(ul Uplo, n int, alpha complex128, ap []complex128, x []complex128, incX int, beta complex128, y []complex128, incY int)
Zgeru(m, n int, alpha complex128, x []complex128, incX int, y []complex128, incY int, a []complex128, lda int)
Zgerc(m, n int, alpha complex128, x []complex128, incX int, y []complex128, incY int, a []complex128, lda int)
Zher(ul Uplo, n int, alpha float64, x []complex128, incX int, a []complex128, lda int)
Zhpr(ul Uplo, n int, alpha float64, x []complex128, incX int, a []complex128)
Zher2(ul Uplo, n int, alpha complex128, x []complex128, incX int, y []complex128, incY int, a []complex128, lda int)
Zhpr2(ul Uplo, n int, alpha complex128, x []complex128, incX int, y []complex128, incY int, ap []complex128)
}
// Complex128Level3 implements the double precision complex BLAS Level 3 routines.
type Complex128Level3 interface {
Zgemm(tA, tB Transpose, m, n, k int, alpha complex128, a []complex128, lda int, b []complex128, ldb int, beta complex128, c []complex128, ldc int)
Zsymm(s Side, ul Uplo, m, n int, alpha complex128, a []complex128, lda int, b []complex128, ldb int, beta complex128, c []complex128, ldc int)
Zsyrk(ul Uplo, t Transpose, n, k int, alpha complex128, a []complex128, lda int, beta complex128, c []complex128, ldc int)
Zsyr2k(ul Uplo, t Transpose, n, k int, alpha complex128, a []complex128, lda int, b []complex128, ldb int, beta complex128, c []complex128, ldc int)
Ztrmm(s Side, ul Uplo, tA Transpose, d Diag, m, n int, alpha complex128, a []complex128, lda int, b []complex128, ldb int)
Ztrsm(s Side, ul Uplo, tA Transpose, d Diag, m, n int, alpha complex128, a []complex128, lda int, b []complex128, ldb int)
Zhemm(s Side, ul Uplo, m, n int, alpha complex128, a []complex128, lda int, b []complex128, ldb int, beta complex128, c []complex128, ldc int)
Zherk(ul Uplo, t Transpose, n, k int, alpha float64, a []complex128, lda int, beta float64, c []complex128, ldc int)
Zher2k(ul Uplo, t Transpose, n, k int, alpha complex128, a []complex128, lda int, b []complex128, ldb int, beta float64, c []complex128, ldc int)
}
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