當前位置: 首頁>>代碼示例>>Golang>>正文

Golang FloatMatrix.Stride方法代碼示例

本文整理匯總了Golang中github.com/hrautila/cmat.FloatMatrix.Stride方法的典型用法代碼示例。如果您正苦於以下問題：Golang FloatMatrix.Stride方法的具體用法？Golang FloatMatrix.Stride怎麽用？Golang FloatMatrix.Stride使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/hrautila/cmat.FloatMatrix的用法示例。


在下文中一共展示了FloatMatrix.Stride方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: axpby

func axpby(Y, X *cmat.FloatMatrix, alpha, beta float64, N int) {
	var x, y C.mvec_t

	xr, _ := X.Size()
	x.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	x.inc = C.int(1)
	if xr == 1 {
		x.inc = C.int(X.Stride())
	}
	yr, _ := Y.Size()
	y.md = (*C.double)(unsafe.Pointer(&Y.Data()[0]))
	y.inc = C.int(1)
	if yr == 1 {
		y.inc = C.int(Y.Stride())
	}
	if beta == 1.0 {
		C.__d_vec_axpy(
			(*C.mvec_t)(unsafe.Pointer(&y)),
			(*C.mvec_t)(unsafe.Pointer(&x)),
			C.double(alpha), C.int(N))
	} else {
		C.__d_vec_axpby(
			(*C.mvec_t)(unsafe.Pointer(&y)),
			(*C.mvec_t)(unsafe.Pointer(&x)),
			C.double(alpha), C.double(beta), C.int(N))
	}
	return
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:28，代碼來源:axpy.go

示例2: minvscale

func minvscale(A *cmat.FloatMatrix, alpha float64, M, N int) {
	var a C.mdata_t

	a.md = (*C.double)(unsafe.Pointer(&A.Data()[0]))
	a.step = C.int(A.Stride())
	C.__d_blk_invscale(
		(*C.mdata_t)(unsafe.Pointer(&a)), C.double(alpha), C.int(M), C.int(N))
	return
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:9，代碼來源:scal.go

示例3: vinvscal

func vinvscal(X *cmat.FloatMatrix, alpha float64, N int) {
	var x C.mvec_t

	xr, _ := X.Size()
	x.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	x.inc = C.int(1)
	if xr == 1 {
		x.inc = C.int(X.Stride())
	}
	C.__d_vec_invscal(
		(*C.mvec_t)(unsafe.Pointer(&x)), C.double(alpha), C.int(N))
	return
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:13，代碼來源:scal.go

示例4: iamax

func iamax(X *cmat.FloatMatrix, N int) int {
	var x C.mvec_t
	var ix C.int

	xr, _ := X.Size()
	x.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	x.inc = C.int(1)
	if xr == 1 {
		x.inc = C.int(X.Stride())
	}
	ix = C.__d_vec_iamax(
		(*C.mvec_t)(unsafe.Pointer(&x)), C.int(N))
	return int(ix)
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:14，代碼來源:iamax.go

示例5: plus

func plus(Ac, Bc *cmat.FloatMatrix, alpha, beta float64, bits, S, L, R, E int) {
	var Am, Bm C.mdata_t

	Am.md = (*C.double)(unsafe.Pointer(&Ac.Data()[0]))
	Am.step = C.int(Ac.Stride())
	Bm.md = (*C.double)(unsafe.Pointer(&Bc.Data()[0]))
	Bm.step = C.int(Bc.Stride())

	C.__d_scale_plus(
		(*C.mdata_t)(unsafe.Pointer(&Am)),
		(*C.mdata_t)(unsafe.Pointer(&Bm)),
		C.double(alpha), C.double(beta), C.int(bits),
		C.int(S), C.int(L), C.int(R), C.int(E))
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:14，代碼來源:plus.go

示例6: sum

func sum(X *cmat.FloatMatrix, N int) float64 {
	var x C.mvec_t
	var dc C.double

	xr, _ := X.Size()
	x.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	x.inc = C.int(1)
	if xr == 1 {
		x.inc = C.int(X.Stride())
	}
	dc = C.__d_vec_sum_recursive(
		(*C.mvec_t)(unsafe.Pointer(&x)), C.int(N))
	return float64(dc)
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:14，代碼來源:asum.go

示例7: mtranspose

func mtranspose(A, B *cmat.FloatMatrix, M, N int) {
	var a, b C.mdata_t
	if M == 0 || N == 0 {
		return
	}

	a.md = (*C.double)(unsafe.Pointer(&A.Data()[0]))
	a.step = C.int(A.Stride())
	b.md = (*C.double)(unsafe.Pointer(&B.Data()[0]))
	b.step = C.int(B.Stride())
	C.__d_blk_transpose(
		(*C.mdata_t)(unsafe.Pointer(&a)),
		(*C.mdata_t)(unsafe.Pointer(&b)), C.int(M), C.int(N))
	return
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:15，代碼來源:copy.go

示例8: syrk

func syrk(Cc, Ac *cmat.FloatMatrix, alpha, beta float64, bits, P, S, E int, conf *gomas.Config) error {
	var Am, Cm C.mdata_t

	Am.md = (*C.double)(unsafe.Pointer(&Ac.Data()[0]))
	Am.step = C.int(Ac.Stride())
	Cm.md = (*C.double)(unsafe.Pointer(&Cc.Data()[0]))
	Cm.step = C.int(Cc.Stride())

	C.__d_rank_blk(
		(*C.mdata_t)(unsafe.Pointer(&Cm)),
		(*C.mdata_t)(unsafe.Pointer(&Am)),
		C.double(alpha), C.double(beta), C.int(bits),
		C.int(P), C.int(S), C.int(E),
		C.int(conf.KB), C.int(conf.NB), C.int(conf.MB))
	return nil
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:16，代碼來源:syrk.go

示例9: trsm

func trsm(Bc, Ac *cmat.FloatMatrix, alpha float64, bits, N, S, E int, conf *gomas.Config) error {
	var Am, Bm C.mdata_t

	Am.md = (*C.double)(unsafe.Pointer(&Ac.Data()[0]))
	Am.step = C.int(Ac.Stride())
	Bm.md = (*C.double)(unsafe.Pointer(&Bc.Data()[0]))
	Bm.step = C.int(Bc.Stride())

	C.__d_solve_blocked(
		(*C.mdata_t)(unsafe.Pointer(&Bm)),
		(*C.mdata_t)(unsafe.Pointer(&Am)),
		C.double(alpha), C.int(bits),
		C.int(N), C.int(S), C.int(E),
		C.int(conf.KB), C.int(conf.NB), C.int(conf.MB))

	return nil
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:17，代碼來源:trsm.go

示例10: trmv

func trmv(X, A *cmat.FloatMatrix, alpha float64, bits, N int) error {
	var Am C.mdata_t
	var Xm C.mvec_t

	xr, _ := X.Size()
	Am.md = (*C.double)(unsafe.Pointer(&A.Data()[0]))
	Am.step = C.int(A.Stride())
	Xm.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	Xm.inc = C.int(1)
	// if row vectors, change increment
	if xr == 1 {
		Xm.inc = C.int(X.Stride())
	}
	C.__d_trmv_unb(
		(*C.mvec_t)(unsafe.Pointer(&Xm)),
		(*C.mdata_t)(unsafe.Pointer(&Am)),
		C.double(alpha), C.int(bits), C.int(N))
	return nil
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:19，代碼來源:trmv.go

示例11: vswap

func vswap(X, Y *cmat.FloatMatrix, N int) {
	var x, y C.mvec_t

	xr, _ := X.Size()
	x.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	x.inc = C.int(1)
	if xr == 1 {
		x.inc = C.int(X.Stride())
	}
	yr, _ := Y.Size()
	y.md = (*C.double)(unsafe.Pointer(&Y.Data()[0]))
	y.inc = C.int(1)
	if yr == 1 {
		y.inc = C.int(Y.Stride())
	}
	C.__d_vec_swap(
		(*C.mvec_t)(unsafe.Pointer(&x)),
		(*C.mvec_t)(unsafe.Pointer(&y)), C.int(N))
	return
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:20，代碼來源:swap.go

示例12: dot

func dot(X, Y *cmat.FloatMatrix, N int) float64 {
	var x, y C.mvec_t
	var dc C.double

	xr, _ := X.Size()
	x.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	x.inc = C.int(1)
	if xr == 1 {
		x.inc = C.int(X.Stride())
	}
	yr, _ := Y.Size()
	y.md = (*C.double)(unsafe.Pointer(&Y.Data()[0]))
	y.inc = C.int(1)
	if yr == 1 {
		y.inc = C.int(Y.Stride())
	}
	dc = C.__d_vec_dot_recursive(
		(*C.mvec_t)(unsafe.Pointer(&x)),
		(*C.mvec_t)(unsafe.Pointer(&y)), C.int(N))
	return float64(dc)
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:21，代碼來源:dot.go

示例13: gemv

func gemv(Y, A, X *cmat.FloatMatrix, alpha, beta float64, bits, S, L, R, E int) {
	var Am C.mdata_t
	var Xm, Ym C.mvec_t

	xr, _ := X.Size()
	yr, _ := Y.Size()
	Am.md = (*C.double)(unsafe.Pointer(&A.Data()[0]))
	Am.step = C.int(A.Stride())
	Xm.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	Ym.md = (*C.double)(unsafe.Pointer(&Y.Data()[0]))
	Ym.inc = C.int(1)
	Xm.inc = C.int(1)

	// if row vectors, change increment
	if xr == 1 {
		Xm.inc = C.int(X.Stride())
	}
	if yr == 1 {
		Ym.inc = C.int(Y.Stride())
	}

	C.__d_gemv_unb(
		(*C.mvec_t)(unsafe.Pointer(&Ym)),
		(*C.mdata_t)(unsafe.Pointer(&Am)),
		(*C.mvec_t)(unsafe.Pointer(&Xm)),
		C.double(alpha),
		/*C.double(beta),*/
		C.int(bits),
		C.int(S), C.int(L), C.int(R), C.int(E))
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:30，代碼來源:gemv.go

示例14: updtrmv

func updtrmv(A, X, Y *cmat.FloatMatrix, alpha float64, bits, N, M int) error {
	var Am C.mdata_t
	var Xm, Ym C.mvec_t

	xr, _ := X.Size()
	yr, _ := Y.Size()
	Am.md = (*C.double)(unsafe.Pointer(&A.Data()[0]))
	Am.step = C.int(A.Stride())
	Xm.md = (*C.double)(unsafe.Pointer(&X.Data()[0]))
	Ym.md = (*C.double)(unsafe.Pointer(&Y.Data()[0]))
	Ym.inc = C.int(1)
	Xm.inc = C.int(1)

	// if row vectors, change increment
	if xr == 1 {
		Xm.inc = C.int(X.Stride())
	}
	if yr == 1 {
		Ym.inc = C.int(Y.Stride())
	}

	C.__d_update_trmv_unb(
		(*C.mdata_t)(unsafe.Pointer(&Am)),
		(*C.mvec_t)(unsafe.Pointer(&Xm)),
		(*C.mvec_t)(unsafe.Pointer(&Ym)),
		C.double(alpha), C.int(bits), C.int(N), C.int(M))
	return nil
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:28，代碼來源:updtrmv.go

示例15: gemm

func gemm(Cc, Ac, Bc *cmat.FloatMatrix, alpha, beta float64, bits, P, S, L, R, E int, conf *gomas.Config) {
	var Am, Cm, Bm C.mdata_t

	Am.md = (*C.double)(unsafe.Pointer(&Ac.Data()[0]))
	Am.step = C.int(Ac.Stride())
	Bm.md = (*C.double)(unsafe.Pointer(&Bc.Data()[0]))
	Bm.step = C.int(Bc.Stride())
	Cm.md = (*C.double)(unsafe.Pointer(&Cc.Data()[0]))
	Cm.step = C.int(Cc.Stride())

	C.__d_gemm_inner(
		(*C.mdata_t)(unsafe.Pointer(&Cm)),
		(*C.mdata_t)(unsafe.Pointer(&Am)),
		(*C.mdata_t)(unsafe.Pointer(&Bm)),
		C.double(alpha), C.double(beta), C.int(bits),
		C.int(P), C.int(S), C.int(L), C.int(R), C.int(E),
		C.int(conf.KB), C.int(conf.NB), C.int(conf.MB))
}
開發者ID:hrautila，項目名稱:gomas，代碼行數:18，代碼來源:mult.go


注：本文中的github.com/hrautila/cmat.FloatMatrix.Stride方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。