Ada Programming/Libraries/Ada.Float Text IO

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---

This language feature is available from Ada 95 on.

Ada.Float_Text_IO is a unit of the Predefined Language Environment since Ada 95.

Example

with Ada.Strings.Fixed;
with Ada.Text_IO;
with Ada.Float_Text_IO;

procedure Put_Float is
   use Ada;
   Float_Image : String (1 .. Float'Width);
begin

   Float_Text_IO.Put
     (To   => Float_Image,
      Item => 100.3456,
      Aft  => 3,
      Exp  => 0);

   Text_IO.Put_Line
     (Strings.Fixed.Trim (Float_Image,
                          Side => Strings.Left));
end Put_Float;

Specification

--                     Standard Ada library specification
--   Copyright (c) 2003-2018 Maxim Reznik <reznikmm@gmail.com>
--   Copyright (c) 2004-2016 AXE Consultants
--   Copyright (c) 2004, 2005, 2006 Ada-Europe
--   Copyright (c) 2000 The MITRE Corporation, Inc.
--   Copyright (c) 1992, 1993, 1994, 1995 Intermetrics, Inc.
--   SPDX-License-Identifier: BSD-3-Clause and LicenseRef-AdaReferenceManual
-- -------------------------------------------------------------------------

with Ada.Text_IO;
package Ada.Float_Text_IO is new Ada.Text_IO.Float_IO (Float);

See also

Wikibook

• Ada Programming/Libraries/Ada

External examples

• Search for examples of Ada.Float_Text_IO in: Rosetta Code, GitHub (gists), any Alire crate or this Wikibook.
• Search for posts related to Ada.Float_Text_IO in: Stack Overflow, comp.lang.ada or any Ada related page.

Ada Reference Manual

Ada 95

• A.10.9: Input-Output for Real Types ^[Annotated]

Ada 2005

• A.10.9: Input-Output for Real Types ^[Annotated]

Ada 2012

• A.10.9: Input-Output for Real Types ^[Annotated]

Open-Source Implementations

FSF GNAT

• Specification: a-flteio.ads

drake

• Specification: textio/a-flteio.ads