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Revision 1.1.1.1 (vendor branch), Sun Oct 29 17:45:26 2000 UTC (23 years, 8 months ago) by maekawa
Branch: PHC, MAIN
CVS Tags: v2, maekawa-ipv6, RELEASE_1_2_3, RELEASE_1_2_2_KNOPPIX_b, RELEASE_1_2_2_KNOPPIX, RELEASE_1_2_2, RELEASE_1_2_1, HEAD
Changes since 1.1: +0 -0 lines 

Import the second public release of PHCpack.

OKed by Jan Verschelde.

with Standard_Floating_Numbers;          use Standard_Floating_Numbers;

package Standard_Mathematical_Functions is

-- DESCRIPTION :
--   This package provides some special mathematical functions to ensure
--   a more portable version of the software.

-- CONSTANT :

  PI : constant :=  3.14159_26535_89793_23846_26433_83279_50288;

-- EXPONENTIAL AND LOGARITHMIC FUNCTIONS :

  function "**" ( x,y : double_float ) return double_float;

  -- DESCRIPTION :
  --   Returns x**y.

  function LOG2 ( x : double_float ) return double_float;

  -- DESCRIPTION :
  --   Returns the binary logarithm.

  function LOG10 ( x : double_float ) return double_float;

  -- DESCRIPTION :
  --   Returns the decimal logarithm.

  function SQRT ( x : double_float ) return double_float;

  -- DSECRIPTION :
  --   Returns the square root of x.

-- TRIGONOMETRIC FUNCTIONS :

  function SIN ( x : double_float ) return double_float;
  function COS ( x : double_float ) return double_float;
  function TAN ( x : double_float ) return double_float;

  -- DESCRIPTION :
  --   Returns sine, cosine and tangens of x.

  function ARCSIN ( x : double_float ) return double_float;
  function ARCCOS ( x : double_float ) return double_float;
  function ARCTAN ( x : double_float ) return double_float;

  -- DESCRIPTION :
  --   Returns arcsin, arccos and argtan of x.

  function Radius ( x,y : double_float ) return double_float;
  function Angle  ( x,y : double_float ) return double_float;

end Standard_Mathematical_Functions;