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Floor function in cpp.
In mathematics and computer science the floor function is the function that takes as input a real number and gives as output the greatest integer less than or equal to denoted or similarly the ceiling function maps to the least integer greater than or equal to denoted or.
Additional overloads are provided in this header cmath for the integral types.
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463 c89 c90 standard iso iec 9899 1990.
This function is also declared in cmath header file in c language.
04 04 2018 in mathematics and computer science the floor and ceiling functions map a real number to the greatest preceding or the least succeeding integer respectively.
The floor function returns the largest possible integer value which is equal to the value or smaller than that.
The floor function takes a single argument whose floor value is computed.
The floor function takes a single argument and returns a value of type double float or long double type.
For information and restrictions about using the sse2 implementation see set sse2 enable.
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It takes single value whoes floor value is to be calculated.
These overloads effectively cast x to a double before calculations defined for t being any integral type.
Floor has an implementation that uses streaming simd extensions 2 sse2.
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In a c program unless you re using the tgmath h macro to call this function floor always takes and returns.
The ceil function in c returns the smallest possible integer value which is greater than or equal to the given argument.
526 c99 standard iso iec 9899 1999.
The datatype of variable should be double float long double only.
232 7 22 type generic math tgmath h p.
Header tgmath h provides a type generic macro version of this function.
C allows overloading so you can call overloads of floor that take and return float and long double values.
This function is defined in cmath header file.
For example and while.