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Add a set of declarations to math.h. Since we don't actually have

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implementations for these functions, we lean on GNU builtin functions
for using them, so these declarations are also conditional on using
a GNU compiler.
This commit is contained in:
Kees van Reeuwijk 2010-03-09 22:05:20 +00:00
parent 44231405cf
commit a34d34bc1f
1 changed files with 30 additions and 2 deletions
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32
include/math.h
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@ -66,9 +66,37 @@ _PROTOTYPE( int isless, (double x, double y) );
_PROTOTYPE( int islessequal, (double x, double y) );
_PROTOTYPE( int islessgreater, (double x, double y) );
_PROTOTYPE( int isunordered, (double x, double y) );
_PROTOTYPE( double nearbyint, (double x) );
_PROTOTYPE( double nearbyint, (double x) );
_PROTOTYPE( double remainder, (double x, double y) );
_PROTOTYPE( double trunc, (double x) );
_PROTOTYPE( double trunc, (double x) );
#endif
/* The following definitions are not implemented in the ACK math lib.
* We allow them in the GNU compiler because they are builtins there.
*/
#ifdef __GNUC__
_PROTOTYPE( float powf, (float, float) );
_PROTOTYPE( float fmodf, (float, float) );
_PROTOTYPE( double erf, (double) );
_PROTOTYPE( double erfc, (double) );
_PROTOTYPE( double gamma, (double) );
_PROTOTYPE( double j0, (double) );
_PROTOTYPE( double j1, (double) );
_PROTOTYPE( double jn, (int, double) );
_PROTOTYPE( double lgamma, (double) );
_PROTOTYPE( double y0, (double) );
_PROTOTYPE( double y1, (double) );
_PROTOTYPE( double yn, (int, double) );
_PROTOTYPE( double acosh, (double) );
_PROTOTYPE( double asinh, (double) );
_PROTOTYPE( double atanh, (double) );
_PROTOTYPE( double cbrt, (double) );
_PROTOTYPE( double expm1, (double) );
_PROTOTYPE( int ilogb, (double) );
_PROTOTYPE( double log1p, (double) );
_PROTOTYPE( double logb, (double) );
_PROTOTYPE( double nextafter, (double, double) );
_PROTOTYPE( double scalb, (double, double) );
#endif
#endif /* _MATH_H */