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1. learn.microsoft.com › fr-fr › cppceil, ceilf, ceill | Microsoft Learn

   learn.microsoft.com › fr-fr › cpp

   Nov 6, 2025 · Les fonctions ceil retournent une valeur à virgule flottante qui représente le plus petit entier supérieur ou égal à x. Il n’existe aucun retour d’erreur.

2. en.wikipedia.org › wiki › Floor_and_ceiling_functionsFloor and ceiling functions - Wikipedia

   en.wikipedia.org › wiki › Floor_and_ceiling_functions

   In mathematics, the floor function is the function that takes a real number x as input and returns the greatest integer less than or equal to x, written ⌊x⌋ or floor (x). Similarly, the ceiling function returns the least integer greater than or equal to x, written ⌈x⌉ or ceil (x). [1] For example, for floor: ⌊2.4⌋ = 2, ⌊−2.4⌋ = −3, and for ceiling: ⌈2.4⌉ = 3, and ⌈− ...

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4. koor.fr › C › cmathKooR.fr - Fonctions ceil, ceilf et ceill - Langage C

   koor.fr › C › cmath

   Fonctions ceil, ceilf et ceill Entête à inclure #include <math.h> // <cmath> en C++ Fonctions ceil, ceilf et ceill double ceil( double value ); float ceilf( float value ); // C99 long double ceill( long double value ); // C99 Ces trois fonctions calculent l'arrondi entier supérieur (ceil signifiant plafond) de la valeur spécifiée en paramètre. Attention aux valeurs négatives : par ...

5. www.geeksforgeeks.org › c › c-ceil-functionC ceil () Function - GeeksforGeeks

   www.geeksforgeeks.org › c › c-ceil-function

   Jul 7, 2024 · C ceil () is a built-in library function that computes the smallest integer value greater than or equal to the given floating-point number. It is defined inside the <math.h> header file with its prototype as follows:

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     Python Tutorial: Ceil and Floor Functions

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     How to use the CEILING Function in Excel :Tutorial

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     Python ceil() function | math module | mathematical functions

     Aug 1, 2022

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7. www.tutorialspoint.com › c_function_ceilC library - ceil () function

   www.tutorialspoint.com › c_function_ceil

   The C library ceil() function of type double accept the single argument(x) that returns the smallest integer value greater than or equal to, by the given value. This method rounded up the nearest integer.

8. docs.python.org › library › mathmath --- Mathematical functions — Documentation Python 3.14.5

   docs.python.org › library › math

   Pour les fonctions ceil(), floor(), et modf(), notez que tous les nombres flottants de magnitude suffisamment grande sont des entiers exacts. Les flottants de Python n'ont généralement pas plus de 53 bits de précision (tels que le type C double de la plate-forme), en quel cas tout flottant x tel que abs(x) >= 2**52 n'a aucun bit fractionnel.

9. www.w3schools.com › c › ref_math_ceilC Math ceil () Function - W3Schools

   www.w3schools.com › c › ref_math_ceil

   Definition and Usage The ceil() function rounds a number UP to the nearest integer. The ceil() function is defined in the <math.h> header file. Tip: To round a number DOWN to the nearest integer, look at the function. Tip: To round a number to the nearest integer in either direction, look at the function.