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Inside Macintosh: PowerPC Numerics / Part 2 - The PowerPC Numerics C Implementation
Chapter 8 - Environmental Control Functions / Controlling the Exception Flags

feclearexcept

You can use the feclearexcept function to clear one or more floating-point exceptions.

void feclearexcept (int excepts);
excepts
A mask indicating which floating-point exception flags should be cleared.
DESCRIPTION
The feclearexcept function clears the floating-point exceptions specified by its argument. The argument may be one of the constants in Table 8-2, two or more of these constants ORed together, or the constant FE_ALL_EXCEPT.

EXAMPLES
feclearexcept(FE_INEXACT);          /* clears the inexact flag */
feclearexcept(FE_INEXACT|FE_UNDERFLOW);
                     /* clears the inexact and underflow flags */
feclearexcept(FE_ALL_EXCEPT);             /* clears all flags */
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© Apple Computer, Inc.
13 JUL 1996