C Std Library Floor
Maybe people use sgi s standard template library programmer s guide.
C std library floor. Concepts library c 20 diagnostics library. It was developed at the same time as the c library posix specification which is a superset of it. For more information about visual c run time libraries see crt library features. I don t know if i d say it s the best but the online reference i use most often is the apache c standard library reference guide.
See your article appearing on the geeksforgeeks main page and help other geeks. Double floor double x. A c program can call on a large number of functions from this conforming implementation of the c standard library. C allows overloading so you can call overloads of floor that take and return float and long double values.
3 ceil is. In a c program unless you re using the tgmath h macro to call this function floor always takes and returns. Floor has an implementation that uses streaming simd extensions 2 sse2. Filesystem library c 17 regular expressions library c 11 atomic operations library c 11 thread support library.
C library function floor the c library function double floor double x returns the largest integer value less than or equal to x. The c standard library provides several generic containers functions to use and manipulate these containers function objects generic strings and streams including interactive and file i o support for some language features and functions for everyday tasks such as finding the square root of a number. The c standard library also incorporates most headers of the iso c. Round down value rounds x downward returning the largest integral value that is not greater than x.
Long double floor long double x. For information and restrictions about using the sse2 implementation see set sse2 enable. The c standard library or libc is the standard library for the c programming language as specified in the ansi c standard. Ranges library c 20 algorithms library.
Since ansi c was adopted by the international organization for standardization the c standard library is also called the iso c library.