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Annotation of OpenXM_contrib/PHC/Ada/Math_Lib/Numbers/standard_mathematical_functions.ads, Revision 1.1.1.1

1.1       maekawa     1: with Standard_Floating_Numbers;          use Standard_Floating_Numbers;
                      2:
                      3: package Standard_Mathematical_Functions is
                      4:
                      5: -- DESCRIPTION :
                      6: --   This package provides some special mathematical functions to ensure
                      7: --   a more portable version of the software.
                      8:
                      9: -- CONSTANT :
                     10:
                     11:   PI : constant :=  3.14159_26535_89793_23846_26433_83279_50288;
                     12:
                     13: -- EXPONENTIAL AND LOGARITHMIC FUNCTIONS :
                     14:
                     15:   function "**" ( x,y : double_float ) return double_float;
                     16:
                     17:   -- DESCRIPTION :
                     18:   --   Returns x**y.
                     19:
                     20:   function LOG2 ( x : double_float ) return double_float;
                     21:
                     22:   -- DESCRIPTION :
                     23:   --   Returns the binary logarithm.
                     24:
                     25:   function LOG10 ( x : double_float ) return double_float;
                     26:
                     27:   -- DESCRIPTION :
                     28:   --   Returns the decimal logarithm.
                     29:
                     30:   function SQRT ( x : double_float ) return double_float;
                     31:
                     32:   -- DSECRIPTION :
                     33:   --   Returns the square root of x.
                     34:
                     35: -- TRIGONOMETRIC FUNCTIONS :
                     36:
                     37:   function SIN ( x : double_float ) return double_float;
                     38:   function COS ( x : double_float ) return double_float;
                     39:   function TAN ( x : double_float ) return double_float;
                     40:
                     41:   -- DESCRIPTION :
                     42:   --   Returns sine, cosine and tangens of x.
                     43:
                     44:   function ARCSIN ( x : double_float ) return double_float;
                     45:   function ARCCOS ( x : double_float ) return double_float;
                     46:   function ARCTAN ( x : double_float ) return double_float;
                     47:
                     48:   -- DESCRIPTION :
                     49:   --   Returns arcsin, arccos and argtan of x.
                     50:
                     51:   function Radius ( x,y : double_float ) return double_float;
                     52:   function Angle  ( x,y : double_float ) return double_float;
                     53:
                     54: end Standard_Mathematical_Functions;