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OpenSolaris 2009.06 - man page for remquo (opensolaris section 3m)

remquo(3M)						  Mathematical Library Functions						remquo(3M)

NAME
remquo, remquof, remquol - remainder functions
SYNOPSIS
c99 [ flag... ] file... -lm [ library... ] #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);
DESCRIPTION
The remquo(), remquof(), and remquol() functions compute the same remainder as the remainder(), remainderf(), and remainderl() functions, respectively. See remainder(3M). In the object pointed to by quo, they store a value whose sign is the sign of x/y and whose magnitude is congruent modulo 2^n to the magnitude of the integral quotient of x/y, where n is an integer greater than or equal to 3.
RETURN VALUES
These functions return x REM y. If x or y is NaN, a NaN is returned. If x is +-Inf or y is 0 and the other argument is non-NaN, a domain error occurs and a NaN is returned.
ERRORS
These functions will fail if: Domain Error The x argument is Inf or the y argument is 0 and the other argument is non-NaN. If the integer expression (math_errhandling & MATH_ERREXCEPT) is non-zero, then the invalid floating-point exception is raised.
USAGE
An application wanting to check for exceptions should call feclearexcept(FE_ALL_EXCEPT) before calling these functions. On return, if fetestexcept(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW) is non-zero, an exception has been raised. An application should either examine the return value or check the floating point exception flags to detect exceptions.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+
SEE ALSO
feclearexcept(3M), fetestexcept(3M), math.h(3HEAD), remainder(3M), attributes(5), standards(5) SunOS 5.11 12 Jul 2006 remquo(3M)

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