C++ Math ilogb()

math llround() function

C++ Math llround() This function is used to round off the given value and cast to long long integer. Syntax Suppose a number is 'x'. Syntax would be: long long int llround(data_type x); Parameter x: The value that can be either double or float. Return value It returns the rounded value of x....

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math nexttoward() function

C++ Math toward() The toword() function represents the representable value in a specific direction. The after() and toward() both the functions work similar and return the same value. The only difference occurs in their syntax. Syntax float toward(float from, long double to); double toward(double from, long double to); long...

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math signbit() function

C++ Math signbit() The function checks whether the sign of a given number is negative or not. If the sign of a number is negative, it returns 1 otherwise 0. The signbit() function can also be applied to infinite, NAN and zero value. Syntax Suppose a number is 'x'.Syntax would...

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math modf() function

C++ Math modf() This function is used to divide a number into integral and fractional part. For example : 2.16 = 2 + 16 Syntax Suppose a number is 'x' and 'ptr' is the pointer to an integral part. float modf(float x, float* ptr); double modf(double x, double* ptr); long double modf(long double x,...

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math scalbn() function

C++ Math scalbn() The function computes the product of a given number and FLT_RADX raised to the power of exponent. Suppose a number is 'x' and exponent is 'n': scalbn(x,n) = x * ( FLT_RADX)n Syntax float scalbn(float x, int n); double scalbn(double x, int n); long double scalbn(long double x, int n); double...

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math tan() function

C++ Math tan() Function In the C++ programming language, the finds the tangent of an angle specified in terms of radians. It is part of the <cmath> header file. It can take arguments of type float, double, or long double, and return a value equivalent...

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math expm1() function

C++ Math expm1() The function computes the exponential 'e' raised to the power a given number minus 1. Suppose a number is 'x' expm1(x) = e<sup>x</sup> - 1; Syntax float expm1(float x); double expm1(double x); long double expm1(long double x); double expm1(integral x); Note: The return_type can be float, double or long double. Parameter x: It...

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math isinf() function

C++ Math isinf() The function determines whether the number is infinite or not. It can be positive or negative infinite. If the number is infinite, it returns 1 otherwise 0. Syntax Suppose a number is 'x'. Syntax would be: bool isinf(float x); bool isinf(double x); bool isinf(long double x); bool isinf(integral x); Parameter x:...

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math lround() function

C++ Math lround() This function is used to round off the given value and cast to long integer. Syntax Suppose a number is 'x'. Syntax would be: long int lround(data_type x); Parameter x: The value which can be either float or double. Return value It returns the rounded value of x. The return type...

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math hypot() function

C++ Vector hypot() This function finds the square root of the sum of the squares of two numbers. It stands for hypotenuse, is used to find the hypotenuse of a right angled triangle. Consider three numbers x,y and z : hypotenuse of a right angle triangle = √x2+y2 distance from...

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