Golang Config.Origin方法代码示例

func (m Matrix) higherDim(conf *config.Config, prefix string, indentation int) string {
	if len(m.shape) <= 3 {
		return indent(indentation, m.Sprint(conf))
	}
	dim := int(m.shape[0].(Int))
	rest := strings.Repeat(" *", len(m.shape)-1)[1:]
	var b bytes.Buffer
	for i := 0; i < dim; i++ {
		inner := Matrix{
			shape: m.shape[1:],
			data:  m.data[i*m.elemSize():],
		}
		if i > 0 {
			b.WriteString("\n")
		}
		innerPrefix := fmt.Sprintf("%s%d ", prefix, i+conf.Origin())
		b.WriteString(indent(indentation, "%s%s]:\n", innerPrefix, rest))
		b.WriteString(inner.higherDim(conf, innerPrefix, indentation+1))
	}
	return b.String()
}

// save writes the state of the workspace to the named file.
// The format of the output is ivy source text.
func save(c *exec.Context, file string, conf *config.Config) {
	// "<conf.out>" is a special case for testing.
	out := conf.Output()
	if file != "<conf.out>" {
		fd, err := os.Create(file)
		if err != nil {
			value.Errorf("%s", err)
		}
		defer fd.Close()
		buf := bufio.NewWriter(fd)
		defer buf.Flush()
		out = buf
	}

	// Configuration settings. We will set the base below,
	// after we have printed all numbers in base 10.
	fmt.Fprintf(out, ")prec %d\n", conf.FloatPrec())
	ibase, obase := conf.Base()
	fmt.Fprintf(out, ")maxbits %d\n", conf.MaxBits())
	fmt.Fprintf(out, ")maxdigits %d\n", conf.MaxDigits())
	fmt.Fprintf(out, ")origin %d\n", conf.Origin())
	fmt.Fprintf(out, ")prompt %q\n", conf.Prompt())
	fmt.Fprintf(out, ")format %q\n", conf.Format())

	// Ops.
	printed := make(map[exec.OpDef]bool)
	for _, def := range c.Defs {
		var fn *exec.Function
		if def.IsBinary {
			fn = c.BinaryFn[def.Name]
		} else {
			fn = c.UnaryFn[def.Name]
		}
		for _, ref := range references(c, fn.Body) {
			if !printed[ref] {
				if ref.IsBinary {
					fmt.Fprintf(out, "op _ %s _\n", ref.Name)
				} else {
					fmt.Fprintf(out, "op %s _\n", ref.Name)
				}
				printed[ref] = true
			}
		}
		printed[def] = true
		fmt.Fprintln(out, fn)
	}

	// Global variables.
	syms := c.Stack[0]
	if len(syms) > 0 {
		// Set the base strictly to 10 for output.
		fmt.Fprintf(out, "# Set base 10 for parsing numbers.\n)base 10\n")
		// Sort the names for consistent output.
		sorted := sortSyms(syms)
		for _, sym := range sorted {
			// pi and e are generated
			if sym.name == "pi" || sym.name == "e" {
				continue
			}
			fmt.Fprintf(out, "%s = ", sym.name)
			put(out, sym.val)
			fmt.Fprint(out, "\n")
		}
	}

	// Now we can set the base.
	fmt.Fprintf(out, ")ibase %d\n", ibase)
	fmt.Fprintf(out, ")obase %d\n", obase)
}