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C++ ammar .s.q
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- 2. Mathematical Functions( C++ Math libraryfunctions(( include < cmath
- 3. C( ++ Mathematical Functionsby typy: Rounding: 1.double cell(double x) Round up 2.double flor(double x) Round down Absolute values 1.double fabs(double x) Returns absolute value x (floating-point variable)
- 4. 1. double sqrt(doublex) Calculate the square root of x 2. double pow(double x) Calculate power X^y 3. double log(double x) Calculate natural logarithm Ln x Trigonometric functions : 1. double cos(double x) Calculate cosin of argument cos x Root, power, And logarithmic functions :
- 5. Mathematical Functions Example Ceil ( x ) 1. ceil ( 9.2 ) is 10.0 2. ceil ( -9.8 ) is -9.0 Floor ( X ) 1. Floor ( 6.2 ) is 6.0 cile 2. Floor ( -6.8 ) is -7.0 Fabs ( x ) 1. Fabs (5.1) is 5.1 2. Fabs (0.0) is 0.0 X 3. Fabs (-8.76) is 8.75
- 6. Sqrt (X ) 1. Sqrt ( 900 ) is 30 X 2. Sqrt ( 9 ) is 3 Pow ( X , Y ) 1. Pow ( 2 , 7 ) is 2^7 = 128 Log ( X ) 1. Log ( 2.719282) is 1.0 Ln 2. Log (7.389050) is 2.0 3. Cos ( X ) 4. cos ( 0.0 ) is 1.0
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- 8. Hans petter simular researchlaboratory Dept. of informatics, of oslo January 2006