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Oberon Document | 1994-06-07 | 3.4 KB | 93 lines | [oODC/obnF] |
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- Miscellaneous
- 8.1 Math
- DEFINITION Math;
- PROCEDURE Pi (): REAL;
- PROCEDURE Arctan (x: REAL): REAL;
- PROCEDURE Cos (x: REAL): REAL;
- PROCEDURE Exp (x: REAL): REAL;
- PROCEDURE Ln (x: REAL): REAL;
- PROCEDURE Sin (x: REAL): REAL;
- PROCEDURE Sqrt (x: REAL): REAL;
- PROCEDURE LPi (): LONGREAL;
- PROCEDURE LArctan (x: LONGREAL): LONGREAL;
- PROCEDURE LCos (x: LONGREAL): LONGREAL;
- PROCEDURE LExp (x: LONGREAL): LONGREAL;
- PROCEDURE LLn (x: LONGREAL): LONGREAL;
- PROCEDURE LSin (x: LONGREAL): LONGREAL;
- PROCEDURE LSqrt (x: LONGREAL): LONGREAL;
- END Math.
- Module Math is a very basic library for numerical computations.
- PROCEDURE Pi (): REAL
- Returns an approximation of the value of pi.
- result = 3.141592...
- PROCEDURE Arctan (x: REAL): REAL
- Returns the arcus tangent of x.
- -pi/2 < result < pi/2
- PROCEDURE Cos (x: REAL): REAL
- Returns the cosine of x.
- -1.0 <= result <= 1.0
- PROCEDURE Exp (x: REAL): REAL
- Returns ex.
- result > 0.0
- PROCEDURE Ln (x: REAL): REAL
- Returns the logarithm of x.
- x > 0.0 (not explicitly checked)
- PROCEDURE Sin (x: REAL): REAL
- Returns the sine of x.
- -1.0 <= result <= 1.0
- PROCEDURE Sqrt (x: REAL): REAL
- Returns the square root of x.
- x >= 0.0 (not explicitly checked)
- result >= 0.0
- PROCEDURE LPi (): LONGREAL
- Returns an approximation of the value of pi.
- result = 3.141592...
- PROCEDURE LArctan (x: LONGREAL): LONGREAL
- Returns the arcus tangent of x.
- -pi/2 < result < pi/2
- PROCEDURE LCos (x: LONGREAL): LONGREAL
- Returns the cosine of x.
- -1.0 <= result <= 1.0
- PROCEDURE LExp (x: LONGREAL): LONGREAL
- Returns ex.
- result > 0.0
- PROCEDURE LLn (x: LONGREAL): LONGREAL
- Returns the logarithm of x.
- x > 0.0 (not explicitly checked)
- PROCEDURE LSin (x: LONGREAL): LONGREAL
- Returns the sine of x.
- -1.0 <= result <= 1.0
- PROCEDURE LSqrt (x: LONGREAL): LONGREAL
- Returns the square root of x.
- x >= 0.0 (not explicitly checked)
- result >= 0.0
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