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

feraiseexcept

You can use the feraiseexcept function to raise one or more floating-point exceptions.

void feraiseexcept (int excepts);
excepts
A mask indicating which floating-point exception flags should be set.
DESCRIPTION
The feraiseexcept function sets the floating-point exception flags specified by its argument. The argument may be one of the constants in Table 8-2 on page 8-6, two or more of these constants ORed together, or the constant FE_ALL_EXCEPT.

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