REMQUO(3) Linux Programmer's Manual REMQUO(3) NAME remquo, remquof, remquol - remainder and part of quotient SYNOPSIS #include <math.h> double remquo(double x, double y, int *quo); float remquof(float x, float y, int *quo); long double remquol(long double x, long double y, int *quo); Link with -lm. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): remquo(), remquof(), remquol(): _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L; or cc -std=c99 DESCRIPTION These functions compute the remainder and part of the quotient upon division of x by y. A few bits of the quotient are stored via the quo pointer. The remainder is returned as the function result. The value of the remainder is the same as that computed by the remain- der(3) function. The value stored via the quo pointer has the sign of x / y and agrees with the quotient in at least the low order 3 bits. For example, remquo(29.0, 3.0) returns -1.0 and might store 2. Note that the actual quotient might not fit in an integer. RETURN VALUE On success, these functions return the same value as the analogous functions described in remainder(3). If x or y is a NaN, a NaN is returned. If x is an infinity, and y is not a NaN, a domain error occurs, and a NaN is returned. If y is zero, and x is not a NaN, a domain error occurs, and a NaN is returned. ERRORS See math_error(7) for information on how to determine whether an error has occurred when calling these functions. The following errors can occur: Domain error: x is an infinity or y is 0, and the other argument is not a NaN An invalid floating-point exception (FE_INVALID) is raised. These functions do not set errno. VERSIONS These functions first appeared in glibc in version 2.1. ATTRIBUTES Multithreading (see pthreads(7)) The remquo(), remquof(), and remquol() functions are thread-safe. CONFORMING TO C99, POSIX.1-2001. SEE ALSO fmod(3), logb(3), remainder(3) COLOPHON This page is part of release 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/. GNU 2014-05-10 REMQUO(3)

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