The floor function in C computes the largest integer value not greater than x. In other words, you can say that the floor function computes the largest integer value not greater than x. The x is the argument that is passed into the floor(). It is declared in math.h and takes one argument in the form of double […]
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The ceil function in C computes the smallest integer value not less than x. In another word, you can say that ceil function computes the smallest integer that is greater than or equal to x. The x is the argument that is passed in the ceil(). It is declared in math.h and takes one argument in
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The pow function in C computes x raised to the power y (xy). A domain error occurs if x is finite and negative and y is finite and not an integer value. A domain error may occur if x is zero and y is zero. A range error occurs if the magnitude of nonzero finite
The sqrt function in C computes the nonnegative square root of a given number (sqrt parameters). It is declared in math.h and takes one argument in the form of double and returns the value of type double. You should remember that if the argument is less than zero, a domain error occurs. Syntax of sqrt
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The isgraph function in C programming checks whether a character is a graphic character or not. The character that has graphical representation are known are a graphic character. It is declared in ctype.h and takes one argument in the form of integer and returns the value of type int. If the character passed is a graphic
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The isxdigit function in C programming checks whether the argument passed is a hexadecimal-digit character or not. Hexadecimal digits are any of: 0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F. It is declared in ctype.h and takes one argument in the form
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The isprint function in C programming checks whether a character is a printable character or not. The printable character could be alphanumeric numbers (0 to 9, A to Z, or a to z), a punctuation character(!”#$%&'()*+,-./:;<=>?@[\]^_`{|}~), or space ( ‘ ‘), or any character classified as printable by the current C locale. It is declared
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The ispunct function in C programming checks whether a character is a punctuation character or not. The default C locale classifies the characters !”#$%&'()*+,-./:;<=>?@[\]^_`{|}~ as punctuation. It is declared in ctype.h and takes one argument in the form of integer and returns the value of type int. If the character passed is a punctuation character,
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The toupper function C programming converts a lowercase letter to a corresponding uppercase letter. In the default “C” locale, a lowercase letter is any of: a b c d e f g h i j k l m n o p q r s t u v w x y z. which translates respectively to: A
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This blog post explains how you can write a C Program to convert uppercase string to lowercase string. First, we will see that how we can convert the lowercase string to the uppercase string without using the library function, then later we will take the help of the tolower function to convert the uppercase string
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