Ada Programming/Libraries/Ada.Numerics

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This language feature is available from Ada 95 on.

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

Specification

package Ada.Numerics is
   pragma Pure (Numerics);
   Argument_Error : exception;
   Pi : constant :=
         3.14159_26535_89793_23846_26433_83279_50288_41971_69399_37511;
   π  : constant := Pi;
   e  : constant :=
         2.71828_18284_59045_23536_02874_71352_66249_77572_47093_69996;
end Ada.Numerics;

π

This language feature is only available from Ada 2005 on.

See also

Wikibook

• Ada Programming
• Ada Programming/Libraries

External examples

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

Ada Reference Manual

Ada 95

• A.5: The Numerics Packages (Annotated)

Ada 2005

• A.5: The Numerics Packages (Annotated)

Ada 2012

• A.5: The Numerics Packages (Annotated)

Ada Issues

• AI95-00388-01 Add Greek pi to Ada.Numerics

Open-Source Implementations

FSF GNAT

• Specification: a-numeri.ads

drake

• Specification: numerics/a-numeri.ads