08-25-2003
Question about error reporting
hi all,
i've got a script that takes in what a user enters (multiple entries) and then joins them all together and appends this to a file. what i want to happen now is the terminal should display "record saved" if the save to the file is successful, if it isn't just display the standard unix error message.
also in another script i am checking to see if some files actually exist that are needed in that script. i am using find to see if these files are there or not. it works fine, but say if the file i am looking for is not there and it's the third file that has been searched for, then the names of the two files that have already been found are printed out before the error message. is there a way to just pront out the error message?
cheers, waz.
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REMQUO(3) BSD Library Functions Manual REMQUO(3)
NAME
remquo -- floating-point remainder and quotient function
SYNOPSIS
#include <math.h>
double
remquo(double x, double y, int *quo);
long double
remquol(long double x, long double y, int *quo);
float
remquof(float x, float y, int *quo);
DESCRIPTION
The remquo() functions compute the value r such that r = x - n*y, where n is the integer nearest the exact value of x/y.
If there are two integers closest to x/y, n shall be the even one. If r is zero, it is given the same sign as x. This is the same value that
is returned by the remainder() function. remquo() also calculates the lower seven bits of the integral quotient x/y, and gives that value
the same sign as x/y. It stores this signed value in the object pointed to by quo.
SPECIAL VALUES
remquo(x, y, quo) returns a NaN and raises the "invalid" floating-point exception if x is infinite or y is 0.
VECTOR OPERATIONS
If you need to apply the remquo() function to SIMD vectors or arrays, using the following functions provided by the Accelerate.framework may
give significantly better performance:
#include <Accelerate/Accelerate.h>
vFloat vremquo(vFloat x, vFloat y, vUInt32 *q);
SEE ALSO
math(3), remainder(3)
STANDARDS
The remquo() functions conform to ISO/IEC 9899:2011.
BSD
December 11, 2006 BSD