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Language Extensions
Restrictions
The declaration of intent is effectively a promise to the compiler that, if broken, results
in undefined behavior.
Example
void copy_array(int n, int *restrict a, int *restrict b)
{
while (n-- > 0)
*a++ = *b++;
}
See also
• --restrict, --no_restrict on page 2-112
• New features of C99 on page 5-45 in the Compiler User Guide.
3.3.4 Hex floats
C90 and C++ support floating-point numbers that can be written in hexadecimal format.
Example
float hex_floats(void)
{
return 0x1.fp3; // 1.55e1
}
See also
• New features of C99 on page 5-45 in the Compiler User Guide.
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