+ Conversion of number from string
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function VSSL.Conversions.Generic_Mantissa_To_Number (
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S : String;
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Radix : Radix_Type;
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Exponent : Exponent_Type := 0)
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return Number_Type
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is
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Digit_N : Exponent_Type := 0;
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Fraction : Boolean := False;
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Negative : Boolean := False;
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D : Integer;
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R : Number_Type := To_Number (0);
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Rdx : Number_Type := To_Number (Radix);
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procedure Next_Digit (Digit : Integer) is
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begin
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if Digit >= Radix then
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raise Constraint_Error with "Illegal digit";
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end if;
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R := R * Rdx + To_Number (Digit);
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Digit_N := Digit_N + 1;
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end Next_Digit;
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begin
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for J in S'Range loop
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case S (J) is
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when '0' .. '9' =>
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D := Character'Pos (S (J)) - Character'Pos ('0');
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Next_Digit (D);
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when 'A' .. 'Z' =>
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D := Character'Pos (S (J)) - Character'Pos ('A') + 10;
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Next_Digit (D);
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when 'a' .. 'z' =>
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D := Character'Pos (S (J)) - Character'Pos ('a') + 10;
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Next_Digit (D);
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when '-' =>
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Negative := True;
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when '.' | ',' =>
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Fraction := True;
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Digit_N := 0;
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when others =>
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null;
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end case;
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end loop;
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if Negative then
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R := -R;
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end if;
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return Multiply_by_Power (R, Rdx, Exponent - (if Fraction then Digit_N else 0));
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end VSSL.Conversions.Generic_Mantissa_To_Number;
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--
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-- Convert string to numeric type
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--
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generic
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type Number_Type (<>) is private; -- arbitrary numeric type
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type Exponent_Type is range <>;
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with function To_Number (
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A : Integer)
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return Number_Type is <>;
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with function "-" (
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A : Number_Type)
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return Number_Type is <>;
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with function "+" (
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A,
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B : Number_Type)
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return Number_Type is <>;
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with function "*" (
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A,
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B : Number_Type)
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return Number_Type is <>;
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with function Multiply_by_Power (
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A,
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R : Number_Type;
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N : Exponent_Type)
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return Number_Type is <>;
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function VSSL.Conversions.Generic_Mantissa_to_Number (
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S : String;
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Radix : Radix_Type;
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Exponent : Exponent_Type := 0)
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return Number_Type;
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227
source/library/vssl-conversions-generic_string_to_number.adb
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227
source/library/vssl-conversions-generic_string_to_number.adb
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with Ada.Characters.Latin_1;
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use Ada.Characters.Latin_1;
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function VSSL.Conversions.Generic_String_to_Number (
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S : String)
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return Number_Type
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is
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function Is_Ignored (C : Character) return Boolean is (C in NUL .. ' ' | '_');
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function To_Upper (C : Character) return Character is
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(if C in 'a' .. 'z' then
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Character'Val (Character'Pos (C) - (Character'Pos ('a') - Character'Pos ('A')))
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else
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C);
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function Equal_No_Case (A, B : String) return Boolean is
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(A'Length = B'Length and then (for all J in A'Range =>
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To_Upper (A (J)) = To_Upper (B (J - A'First + B'First))));
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function Have_Affix (S, Prefix, Postfix : String) return Boolean is
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(S'Length > Prefix'Length + Postfix'Length and then
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Equal_No_Case (S (S'First .. S'First + Prefix'Length - 1), Prefix) and then
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Equal_No_Case (S (S'Last - Postfix'Length + 1 .. S'Last), Postfix));
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procedure Remove_Affix (F, L : in out Natural; Prefix, Postfix : in String) is
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begin
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F := F + Prefix'Length;
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L := L - Postfix'Length;
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end Remove_Affix;
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function Have_BOZ (S : String) return Boolean is
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(S'Length >= 4 and then S (S'First) in 'B' | 'b' | 'O' | 'o' | 'Z' | 'z' and then
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S (S'First + 1) = S (S'Last) and then S (S'Last) in ''' | '"'); --"
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procedure Mantissa (
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S : in String;
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R : in Radix_Type;
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N : out Number_Type;
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E : out Exponent_Type)
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is
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Rdx : Number_Type := To_Number (R);
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Frac : Boolean := False;
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procedure Next_Digit (D : Integer) is
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begin
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if D >= R then
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raise Constraint_Error with "Illegal digit";
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end if;
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N := N * Rdx + To_Number (D);
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E := E - 1;
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end Next_Digit;
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begin
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N := To_Number (0);
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for J in S'Range loop
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if not Is_Ignored (S (J)) then
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case S (J) is
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when '0' .. '9' =>
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Next_Digit (Character'Pos (S (J)) - Character'Pos ('0'));
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when 'A' .. 'Z' =>
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Next_Digit (Character'Pos (S (J)) - Character'Pos ('A') + 10);
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when 'a' .. 'z' =>
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Next_Digit (Character'Pos (S (J)) - Character'Pos ('a') + 10);
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when '.' | ',' =>
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Frac := True;
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E := 0;
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when others =>
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raise Constraint_Error with "Invalid character " &
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Character'Image (S (J)) & " in number";
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end case;
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end if;
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end loop;
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if not Frac then
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E := 0;
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end if;
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end Mantissa;
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procedure Skip_Spaces (S : in String; J : in out Natural; L : in Natural) is
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begin
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while J <= L and then Is_Ignored (S (J)) loop
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J := J + 1;
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end loop;
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if J > L then
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raise Constraint_Error with "No number";
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end if;
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end Skip_Spaces;
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procedure Sign (S : in String; F : in out Natural; L : in Natural; Neg : out Boolean) is
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begin
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Neg := False;
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if S (F) = '+' then
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F := F + 1;
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elsif S (F) = '-' then
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F := F + 1;
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Neg := True;
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end if;
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end Sign;
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Radix : Radix_Type := 10;
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MF : Natural := S'First;
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ML : Natural := S'Last;
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EF, EL,
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RF, RL : Natural := 0;
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Neg, -- Flag for negative
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Exp, -- Flag for exponential form
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Bin, -- Flag for binary exponent (when radix is not binary)
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Based, -- Flag for number with explicit radix
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NE : Boolean := False; -- Flag for negative exponent
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EP,
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EE : Exponent_Type := 0;
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N : Number_Type := To_Number (0);
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begin
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while ML >= MF and then Is_Ignored (S (ML)) loop -- skip
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ML := ML - 1;
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end loop;
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Skip_Spaces (S, MF, ML);
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Sign (S, MF, ML, Neg);
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Skip_Spaces (S, MF, ML);
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if Have_Affix (S (MF .. ML), "0X", "") then
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Radix := 16; -- C-style 0x..
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Remove_Affix (MF, ML, "0X", "");
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Bin_Exp_Find : for J in MF + 1 .. ML - 1 loop
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Exp := S (J) in 'P' | 'p';
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if Exp then
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EL := ML;
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EF := J + 1;
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ML := J - 1;
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Bin := True;
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exit Bin_Exp_Find;
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end if;
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end loop Bin_Exp_Find;
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elsif Have_Affix (S (MF .. ML), "0B", "") then
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Radix := 2; -- C-style 0b...
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Remove_Affix (MF, ML, "0B", "");
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elsif Have_Affix (S (MF .. ML), "B'", "'") or else Have_Affix (S (MF .. ML), "B""", """") then
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Radix := 2;
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Remove_Affix (MF, ML, "B'", "'");
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elsif Have_Affix (S (MF .. ML), "O'", "'") or else Have_Affix (S (MF .. ML), "O""", """") then
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Radix := 8;
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Remove_Affix (MF, ML, "O'", "'");
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elsif Have_Affix (S (MF .. ML), "Z'", "'") or else Have_Affix (S (MF .. ML), "Z""", """") then
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Radix := 16;
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Remove_Affix (MF, ML, "Z'", "'");
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else
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Radix_Find : for J in MF + 1 .. ML loop
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if S (J) in '#' | ':' then -- Ada-style based
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if not Based then -- first occurence of '#'
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RF := MF;
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RL := J - 1;
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MF := J + 1;
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Based := True;
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else -- second occurence of '#'
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if J < ML - 1 and then S (J + 1) in 'E' | 'e' then
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EL := ML;
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EF := J + 2;
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ML := J - 1;
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Exp := True;
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exit Radix_Find;
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elsif J = ML then
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ML := J - 1;
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end if;
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end if;
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elsif not Based and S (J) in 'R' | 'r' then -- Algol-style
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RF := MF;
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RL := J - 1;
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MF := J + 1;
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Based := True;
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exit Radix_Find;
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end if;
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end loop Radix_Find;
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if Based then
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Radix := Decimal_to_Number (S (RF .. RL));
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-- raise constraint error when not in range
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elsif not Based then
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Dec_Exp_Find : for J in MF + 1 .. ML - 1 loop
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Exp := S (J) in 'D' | 'd' | 'E' | 'e';
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if Exp then
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EL := ML;
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EF := J + 1;
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ML := J - 1;
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exit Dec_Exp_Find;
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end if;
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end loop Dec_Exp_Find;
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end if;
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if not Exp then
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if Have_Affix (S (MF .. ML), "", "B") then
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Radix := 2;
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Remove_Affix (MF, ML, "", "B");
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elsif Have_Affix (S (MF .. ML), "", "H") then
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Radix := 16;
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Remove_Affix (MF, ML, "", "B");
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end if;
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end if;
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end if;
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<<Common_Format>>
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Mantissa (S (MF .. ML), Radix, N, EP);
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if Exp then
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Sign (S, EF, EL, NE);
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EE := Decimal_to_Number (S (EF .. EL));
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if EE < 0 then
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raise Constraint_Error with "Exponent value is out of range";
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end if;
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if NE then
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EE := -EE;
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end if;
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end if;
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if Bin then
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N := Multiply_by_Power (N, To_Number (Radix), EP);
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N := Multiply_by_Power (N, To_Number (2), EE);
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else
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N := Multiply_by_Power (N, To_Number (Radix), EP + EE);
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end if;
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if Neg then
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N := -N;
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end if;
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return N;
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end VSSL.Conversions.Generic_String_to_Number;
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94
source/library/vssl-conversions-generic_string_to_number.ads
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94
source/library/vssl-conversions-generic_string_to_number.ads
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@ -0,0 +1,94 @@
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generic
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type Number_Type (<>) is private;
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with function "-" (
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A : Number_Type)
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return Number_Type is <>;
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with function "+" (
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A,
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B : Number_Type)
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return Number_Type is <>;
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with function "*" (
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A,
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B : Number_Type)
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return Number_Type is <>;
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type Exponent_Type is range <>; -- A type to store exponent values
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with function To_Number (
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A : Integer)
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return Number_Type is <>; -- A function to convert a digit to a given type
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with function Decimal_to_Number (
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S : String)
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return Exponent_Type is <>; -- A function to convert decimal digits to number
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with function Multiply_by_Power (
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A,
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R : Number_Type;
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N : Exponent_Type)
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return Number_Type is <>;
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function VSSL.Conversions.Generic_String_to_Number (
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S : String)
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return Number_Type;
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-- Converts a textual representation of a number to an arbitrary type.
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--
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-- Supported formats:
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--
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-- * With integer and/or fractional part with or without decimal separator
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-- (required if fractional part exists). Decimal separator can be dot or comma.
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-- "1" => 1.0
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-- "1." => 1.0
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-- "1.0" => 1.0
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-- "0.4" => 0.4
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-- ".4" => 0.4
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-- "2,3" => 2.3
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-- * With or without a sign
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-- "1" => 1.0
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-- "+1" => 1.0
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-- "-1" => -1.0
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-- * Digits can be separated with undercsores (_) or spaces ( ).
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-- C0 Control characters (like NUL, TAB) are also ignored in most positions.
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-- "31 968" => 31.968
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-- "3.14159_26" => 3.1415926
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-- * In scientific exponentional format. Common letters E or e and
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-- also Fortran-ish D or d can be used to introduce exponent.
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-- "12E7" => 120000000.0
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-- "+1.24d-03" => 0.00123
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-- * In Ada-style based format. Base range is enhanced to 2..36.
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-- Both hash (#) and colon (:) are supported (colon was a valid replacement
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-- for hash in Ada-83).
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-- If there's no exponent, the second hash can be omitted.
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-- "16#7FFD.8#" => 32765.5
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-- "8#3.77#E+2" => 255.0
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-- * With C-style prefixes for hexadecimal (0x) and binary (0b).
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-- "0x7FFD.8" => 32765.5
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-- "0b1101" => 13.0
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-- * With C-stype binary exponent also
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-- "0x1.8p1" => 3.0
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-- * In Fortran-style BOZ-format.
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-- "B'1101'" => 13.0
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-- "O'377'" => 255.0
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-- "Z'7FFD'" => 32765.0
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-- * In Algol-style 'r' based format.
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-- "16r7FFD.8" => 32765.5
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-- * Postfix H and B for hexadecimal and binary numbers.
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-- "1101B" => 13.0
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-- "7FFD.8H" => 32765.5
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-- * Upper and lowercase letters allowed.
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-- "16#7fFd.8#" => 32765.5
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--
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-- NOT supported formats:
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--
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-- * Any kind of non-finite values, like NANs, Infinities.
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-- * Imaginary, complex, dual, imprecise etc. multi-component numbers.
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-- * Periodic fractions.
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-- * C-style octals.
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-- * Sexagesimal numbers like in HMS time or DMS angles.
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-- * Roman numerals.
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-- * Anything out of the ASCII character set.
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--
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-- It tries to analyse the whole string. If data is in wrong format
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-- then exception may be raised or wrong result produced.
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-- The behaviour if the result is out of range is on the implementation
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-- of underlying arithmetic subprograms.
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--
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-- Implementation of numeric type is required to be able a hold a value of Base**Number_of_Digits - 1.
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-- (More precisely, the largest number that resemble all the digits without decimal separator)
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-- This generally fits well in floating point or integers but does not fit in fixed point.
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8
source/library/vssl-conversions-mantissa_to_integer.ads
Normal file
8
source/library/vssl-conversions-mantissa_to_integer.ads
Normal file
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with VSSL.Conversions.Generic_Mantissa_to_Number;
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function VSSL.Conversions.Mantissa_to_Integer
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is new VSSL.Conversions.Generic_Mantissa_To_Number (
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Number_Type => Integer,
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Exponent_Type => Integer,
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To_Number => "+",
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Multiply_by_Power => Multiply_by_Power);
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24
source/library/vssl-conversions.adb
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24
source/library/vssl-conversions.adb
Normal file
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with Ada.Characters.Latin_1;
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use Ada.Characters.Latin_1;
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package body VSSL.Conversions is
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function Decimal_to_Number (S : String) return Integer is
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N : Integer := 0;
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D : Integer;
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begin
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for C of S loop
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if C in '0' .. '9' then
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D := Character'Pos (C) - Character'Pos ('0');
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if N > (Integer'Last - D) / 10 then
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return Integer'First; -- carefully treat overflow
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end if; -- to have meaningfull exception
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N := N * 10 + D;
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elsif C not in NUL .. ' ' | '|' then
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raise Constraint_Error with "Illegal character " & Character'Image (C);
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end if;
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end loop;
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return N;
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end Decimal_to_Number;
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end VSSL.Conversions;
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17
source/library/vssl-conversions.ads
Normal file
17
source/library/vssl-conversions.ads
Normal file
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package VSSL.Conversions with Pure is
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subtype Radix_Type is Integer range 2 .. 36;
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function Multiply_by_Power (
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A : Integer;
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R : Integer; N : Integer)
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return Integer is (if N >= 0 then A * R**N else A / R**(-N));
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-- used by conversion subprograms
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function Decimal_to_Number (
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S : String)
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return Integer;
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-- Convert decimal number (without a sign) to an integer
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-- It is used by conversion subprograms
|
||||
|
||||
end VSSL.Conversions;
|
6
source/library/vssl-floating_point-string_to_float.ads
Normal file
6
source/library/vssl-floating_point-string_to_float.ads
Normal file
|
@ -0,0 +1,6 @@
|
|||
with VSSL.Conversions.Generic_String_to_Number;
|
||||
use VSSL.Conversions;
|
||||
|
||||
function VSSL.Floating_Point.String_to_Float is new VSSL.Conversions.Generic_String_to_Number (
|
||||
Number_Type => Float,
|
||||
Exponent_Type => Integer);
|
|
@ -0,0 +1,6 @@
|
|||
with VSSL.Conversions.Generic_String_to_Number;
|
||||
use VSSL.Conversions;
|
||||
|
||||
function VSSL.Floating_Point.String_to_Long_Float is new VSSL.Conversions.Generic_String_to_Number (
|
||||
Number_Type => Long_Float,
|
||||
Exponent_Type => Integer);
|
|
@ -1,4 +1,21 @@
|
|||
pragma SPARK_Mode;
|
||||
|
||||
package VSSL.Floating_Point with Pure is
|
||||
|
||||
function Multiply_by_Power (A, R : Float; N : Integer) return Float
|
||||
is (A * R**N);
|
||||
-- used in conversion subprograms
|
||||
|
||||
function To_Number (N : Integer) return Float
|
||||
is (Float (N));
|
||||
-- used in conversion subprograms
|
||||
|
||||
function Multiply_by_Power (A, R : Long_Float; N : Integer) return Long_Float
|
||||
is (A * R**N);
|
||||
-- used in conversion subprograms
|
||||
|
||||
function To_Number (N : Integer) return Long_Float
|
||||
is (Long_Float (N));
|
||||
-- used in conversion subprograms
|
||||
|
||||
end VSSL.Floating_Point;
|
||||
|
|
55
source/test/vssl-conversions-test.adb
Normal file
55
source/test/vssl-conversions-test.adb
Normal file
|
@ -0,0 +1,55 @@
|
|||
with AUnit.Simple_Test_Cases;
|
||||
with AUnit.Assertions;
|
||||
use AUnit.Assertions;
|
||||
|
||||
with VSSL.Conversions.Mantissa_to_Integer;
|
||||
|
||||
|
||||
|
||||
package body VSSL.Conversions.Test is
|
||||
|
||||
type Mantissa_to_Integer_Test is new AUnit.Simple_Test_Cases.Test_Case with null record;
|
||||
|
||||
function Name (T : Mantissa_to_Integer_Test) return AUnit.Message_String;
|
||||
|
||||
procedure Run_Test (T : in out Mantissa_to_Integer_Test);
|
||||
|
||||
function Name (T : Mantissa_to_Integer_Test) return AUnit.Message_String is
|
||||
pragma Unreferenced (T);
|
||||
begin
|
||||
return AUnit.Format ("VSSL.Conversions.Mantissa_to_Integer test");
|
||||
end Name;
|
||||
|
||||
procedure Run_Test (T : in out Mantissa_to_Integer_Test) is
|
||||
procedure A (
|
||||
A : String;
|
||||
R : Radix_Type;
|
||||
E : Integer;
|
||||
B : Integer)
|
||||
is
|
||||
begin
|
||||
Assert (Mantissa_to_Integer (A, R, E) = B,
|
||||
"Mantissa_to_Integer (""" & A & """, "
|
||||
& Radix_Type'Image (R) & ", "
|
||||
& Integer'Image (E) & ") = " & Integer'Image (B));
|
||||
end;
|
||||
begin
|
||||
A ("0", 10, 0, 0);
|
||||
A ("1", 10, 0, 1);
|
||||
A ("12", 10, 0, 12);
|
||||
A ("-1", 10, 0, -1);
|
||||
A ("1", 10, 3, 1000);
|
||||
A ("1.2", 10, 3, 1200);
|
||||
A ("10", 10, -1, 1);
|
||||
A ("CAFE", 16, 0, 16#CAFE#);
|
||||
end Run_Test;
|
||||
|
||||
function Suite return Access_Test_Suite is
|
||||
R : Access_Test_Suite := new Test_Suite;
|
||||
begin
|
||||
R.Add_Test (new Mantissa_to_Integer_Test);
|
||||
--R.Add_Test (Functions_Test.Suite);
|
||||
return R;
|
||||
end;
|
||||
|
||||
end VSSL.Conversions.Test;
|
8
source/test/vssl-conversions-test.ads
Normal file
8
source/test/vssl-conversions-test.ads
Normal file
|
@ -0,0 +1,8 @@
|
|||
with AUnit.Test_Suites;
|
||||
use AUnit.Test_Suites;
|
||||
|
||||
package VSSL.Conversions.Test is
|
||||
|
||||
function Suite return Access_Test_Suite;
|
||||
|
||||
end VSSL.Conversions.Test;
|
131
source/test/vssl-floating_point-conversion_test.adb
Normal file
131
source/test/vssl-floating_point-conversion_test.adb
Normal file
|
@ -0,0 +1,131 @@
|
|||
with VSSL.Floating_Point.String_to_Float;
|
||||
with VSSL.Floating_Point.String_to_Long_Float;
|
||||
with VSSL.Floating_Point.Generic_Approximate_Relative;
|
||||
with VSSL.Test_Cases;
|
||||
use VSSL.Test_Cases;
|
||||
with VSSL.Test_Cases.Traits;
|
||||
use VSSL.Test_Cases.Traits;
|
||||
with VSSL.Test_Cases.Unary_Functions;
|
||||
use VSSL.Test_Cases.Unary_Functions;
|
||||
|
||||
package body VSSL.Floating_Point.Conversion_Test is
|
||||
|
||||
generic
|
||||
type Real_Type is digits <>;
|
||||
Real_Name : in String;
|
||||
with function String_to_Real (S : String) return Real_Type;
|
||||
Epsilon : Real_Type := Real_Type'Model_Epsilon;
|
||||
package Generic_String_to_Float_Test is
|
||||
function Suite return Access_Test_Suite;
|
||||
end Generic_String_to_Float_Test;
|
||||
|
||||
package body Generic_String_to_Float_Test is
|
||||
Prefix : constant String := "VSSL.Floating_Point.";
|
||||
|
||||
package Approx is new Generic_Approximate_Relative (Real_Type, Epsilon);
|
||||
|
||||
package Real_Traits is new Type_Traits (Real_Type, Real_Name, Real_Type'Image, Approx."=");
|
||||
|
||||
package String_to_Real_Case is new Unary_Function_Case (
|
||||
String_Traits,
|
||||
Real_Traits,
|
||||
String_to_Real,
|
||||
"String_to_" & Real_Name,
|
||||
Prefix);
|
||||
|
||||
type String_to_Real_Test is new String_to_Real_Case.Test with null record;
|
||||
overriding procedure Run_Test (T : in out String_to_Real_Test);
|
||||
|
||||
procedure Run_Test (T : in out String_to_Real_Test) is
|
||||
begin
|
||||
T.Assert ("0", 0.0);
|
||||
T.Assert (" 0 ", 0.0);
|
||||
T.Assert ("1", 1.0);
|
||||
T.Assert ("2", 2.0);
|
||||
T.Assert ("34", 34.0);
|
||||
T.Assert (" 3_5 ", 35.0);
|
||||
T.Assert ("01 2", 12.0);
|
||||
T.Assert ("1.5", 1.5);
|
||||
T.Assert ("1.01", 1.01);
|
||||
T.Assert ("0.01", 0.01);
|
||||
T.Assert ("15.24", 15.24);
|
||||
T.Assert ("3.456789012", 3.456789012);
|
||||
T.Assert (".5", 0.5);
|
||||
T.Assert ("-0", 0.0);
|
||||
T.Assert ("-1", -1.0);
|
||||
T.Assert ("-7", -7.0);
|
||||
|
||||
T.Assert ("1E3", 1.0E+3);
|
||||
T.Assert ("1_E3", 1.0E+3);
|
||||
T.Assert ("5E+3", 5.0E+3);
|
||||
T.Assert ("5E-3", 5.0E-3);
|
||||
T.Assert ("1.9E+2", 1.9E+2);
|
||||
T.Assert ("1.9E-2", 1.9E-2);
|
||||
T.Assert ("4E31", 4.0E+31);
|
||||
T.Assert ("4E-31", 4.0E-31);
|
||||
T.Assert ("5.2D16", 5.2E+16);
|
||||
T.Assert ("5.2D+16", 5.2E+16);
|
||||
T.Assert ("5.2D-16", 5.2E-16);
|
||||
|
||||
T.Assert ("16#F#", 16#F.0#);
|
||||
T.Assert ("16#F", 16#F.0#);
|
||||
T.Assert ("16#Ed#", 16#ED.0#);
|
||||
T.Assert ("16#cd#", 16#CD.0#);
|
||||
T.Assert ("16:cd:", 16#CD.0#);
|
||||
T.Assert ("-16#cd#", -16#CD.0#);
|
||||
T.Assert ("2#1#E0", 2#1.0#E+00);
|
||||
T.Assert ("2#1#E1", 2#1.0#E+01);
|
||||
T.Assert ("8#1#E1", 8#1.0#E+01);
|
||||
T.Assert ("8#1.1#E1", 8#1.1#E+01);
|
||||
T.Assert ("8#3.77#E2", 8#3.77#E+02);
|
||||
T.Assert ("8#3.77#e2", 8#3.77#E+02);
|
||||
T.Assert ("8:3.77:e2", 8#3.77#E+02);
|
||||
|
||||
T.Assert ("16r7FFD.8", 16#7FFD.8#);
|
||||
T.Assert ("8r377", 8#377.0#);
|
||||
|
||||
T.Assert ("B'1011_0101'", 2#1011_0101.0#);
|
||||
T.Assert ("O'376'", 8#376.0#);
|
||||
T.Assert ("Z'CAFE'", 16#CAFE.0#);
|
||||
T.Assert ("Z""DEAD""", 16#DEAD.0#);
|
||||
|
||||
T.Assert ("0b1011_0101", 2#1011_0101.0#);
|
||||
T.Assert ("0B1111_0101", 2#1111_0101.0#);
|
||||
T.Assert ("0xBABE", 16#BABE.0#);
|
||||
T.Assert ("0xc0de", 16#C0DE.0#);
|
||||
T.Assert ("0XFACE8D", 16#FACE8D.0#);
|
||||
T.Assert ("0XFACE.8D", 16#FACE.8D#);
|
||||
T.Assert ("0x1p0", 2#0001.0#E0);
|
||||
T.Assert ("-0x1EFp0", -2#0001_1110_1111.0#E0);
|
||||
T.Assert ("0xF.p-1", 2#1111.0#E-1);
|
||||
T.Assert ("0X0.123P-4", 2#0000.0001_0010_0011#E-4);
|
||||
T.Assert ("0x1.8p1", 3.0);
|
||||
|
||||
T.Assert ("1001_1011B", 2#1001_1011.0#);
|
||||
T.Assert ("0101_1010b", 2#0101_1010.0#);
|
||||
T.Assert ("C0ACH", 16#C0AC.0#);
|
||||
end Run_Test;
|
||||
|
||||
function Suite return Access_Test_Suite is
|
||||
R : Access_Test_Suite := new Test_Suite;
|
||||
begin
|
||||
R.Add_Test (new String_to_Real_Test);
|
||||
return R;
|
||||
end Suite;
|
||||
end Generic_String_to_Float_Test;
|
||||
|
||||
package String_to_Float_Test is new Generic_String_to_Float_Test (
|
||||
Float, "Float", String_To_Float);
|
||||
|
||||
package String_to_Long_Float_Test is new Generic_String_to_Float_Test (
|
||||
Long_Float, "Long_Float", String_To_Long_Float);
|
||||
|
||||
function Suite return Access_Test_Suite is
|
||||
R : Access_Test_Suite := new Test_Suite;
|
||||
begin
|
||||
R.Add_Test (String_to_Float_Test.Suite);
|
||||
R.Add_Test (String_to_Long_Float_Test.Suite);
|
||||
return R;
|
||||
end Suite;
|
||||
|
||||
end VSSL.Floating_Point.Conversion_Test;
|
8
source/test/vssl-floating_point-conversion_test.ads
Normal file
8
source/test/vssl-floating_point-conversion_test.ads
Normal file
|
@ -0,0 +1,8 @@
|
|||
with AUnit.Test_Suites;
|
||||
use AUnit.Test_Suites;
|
||||
|
||||
package VSSL.Floating_Point.Conversion_Test is
|
||||
|
||||
function Suite return Access_Test_Suite;
|
||||
|
||||
end VSSL.Floating_Point.Conversion_Test;
|
|
@ -1,5 +1,6 @@
|
|||
with VSSL.Floating_Point.Approximate_Absolute_Test;
|
||||
with VSSL.Floating_Point.Approximate_Test;
|
||||
with VSSL.Floating_Point.Conversion_Test;
|
||||
with VSSL.Floating_Point.Quaternions;
|
||||
with VSSL.Floating_Point.Generic_Quaternions.Test;
|
||||
|
||||
|
@ -13,6 +14,7 @@ package body VSSL.Floating_Point.Test is
|
|||
begin
|
||||
R.Add_Test (Approximate_Absolute_Test.Suite);
|
||||
R.Add_Test (Approximate_Test.Suite);
|
||||
R.Add_Test (Conversion_Test.Suite);
|
||||
R.Add_Test (Quaternions_Test.Suite);
|
||||
return R;
|
||||
end;
|
||||
|
|
|
@ -1,5 +1,6 @@
|
|||
with VSSL.Champernowne_Constant.Test;
|
||||
with VSSL.Combinatorial.Test;
|
||||
with VSSL.Conversions.Test;
|
||||
with VSSL.Fixed_Point.Test;
|
||||
with VSSL.Floating_Point.Test;
|
||||
with VSSL.Integers.Test;
|
||||
|
@ -13,6 +14,7 @@ package body VSSL.Test is
|
|||
R.Add_Test (VSSL.Extensible_Arithmetic.Test.Suite);
|
||||
R.Add_Test (VSSL.Champernowne_Constant.Test.Suite);
|
||||
R.Add_Test (VSSL.Combinatorial.Test.Suite);
|
||||
R.Add_Test (VSSL.Conversions.Test.Suite);
|
||||
R.Add_Test (VSSL.Fixed_Point.Test.Suite);
|
||||
R.Add_Test (VSSL.Floating_Point.Test.Suite);
|
||||
R.Add_Test (VSSL.Integers.Test.Suite);
|
||||
|
|
|
@ -4,4 +4,8 @@ package VSSL.Test_Cases.Traits is
|
|||
|
||||
package Integer_Traits is new Type_Traits (Integer, "Integer", Integer'Image, "=");
|
||||
|
||||
function String_Image (S : String) return String is ("""" & S & """");
|
||||
|
||||
package String_Traits is new Type_Traits (String, "String", String_Image, "=");
|
||||
|
||||
end VSSL.Test_Cases.Traits;
|
||||
|
|
Loading…
Reference in a new issue