[Mono-list] compiling on FreeBSD

Garrett Rooney rooneg@electricjellyfish.net
Mon, 13 Aug 2001 07:28:14 -0400
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On Mon, Aug 13, 2001 at 07:46:43AM +0200, Dietmar Maurer wrote:
 
> Aren't there similar macros on FreeBSD? Take a look at /usr/include/math.h. We need
> at least a function to detect if a floating point value is NaN. It is named
> __fpclassify and located in libm on my linux system:

there appears to be an int isnan(double) function, but that appears to be it.

> > strings /lib/libm.so.6|grep fpclassify
> 
> __fpclassify
> __fpclassifyf
> __fpclassifyl

those don't appear to be in the BSD libm.

> Maybe you can send me your /usr/include/math.h?

attached.

-- 
garrett rooney                     Unix was not designed to stop you from 
rooneg@electricjellyfish.net       doing stupid things, because that would  
http://electricjellyfish.net/      stop you from doing clever things.

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/*
 * ====================================================
 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
 *
 * Developed at SunPro, a Sun Microsystems, Inc. business.
 * Permission to use, copy, modify, and distribute this
 * software is freely granted, provided that this notice
 * is preserved.
 * ====================================================
 */

/*
 * from: @(#)fdlibm.h 5.1 93/09/24
 * $FreeBSD: src/lib/msun/src/math.h,v 1.8.2.1 2000/03/27 02:03:35 obrien Exp $
 */

#ifndef _MATH_H_
#define _MATH_H_

/*
 * ANSI/POSIX
 */
extern char __infinity[];
#define HUGE_VAL	(*(double *) __infinity)

/*
 * XOPEN/SVID
 */
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
#define	M_E		2.7182818284590452354	/* e */
#define	M_LOG2E		1.4426950408889634074	/* log 2e */
#define	M_LOG10E	0.43429448190325182765	/* log 10e */
#define	M_LN2		0.69314718055994530942	/* log e2 */
#define	M_LN10		2.30258509299404568402	/* log e10 */
#define	M_PI		3.14159265358979323846	/* pi */
#define	M_PI_2		1.57079632679489661923	/* pi/2 */
#define	M_PI_4		0.78539816339744830962	/* pi/4 */
#define	M_1_PI		0.31830988618379067154	/* 1/pi */
#define	M_2_PI		0.63661977236758134308	/* 2/pi */
#define	M_2_SQRTPI	1.12837916709551257390	/* 2/sqrt(pi) */
#define	M_SQRT2		1.41421356237309504880	/* sqrt(2) */
#define	M_SQRT1_2	0.70710678118654752440	/* 1/sqrt(2) */

#define	MAXFLOAT	((float)3.40282346638528860e+38)
extern int signgam;

#if !defined(_XOPEN_SOURCE)
enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix};

#define _LIB_VERSION_TYPE enum fdversion
#define _LIB_VERSION _fdlib_version

/* if global variable _LIB_VERSION is not desirable, one may
 * change the following to be a constant by:
 *	#define _LIB_VERSION_TYPE const enum version
 * In that case, after one initializes the value _LIB_VERSION (see
 * s_lib_version.c) during compile time, it cannot be modified
 * in the middle of a program
 */
extern  _LIB_VERSION_TYPE  _LIB_VERSION;

#define _IEEE_  fdlibm_ieee
#define _SVID_  fdlibm_svid
#define _XOPEN_ fdlibm_xopen
#define _POSIX_ fdlibm_posix

/* We have a problem when using C++ since `exception' is a reserved
   name in C++.  */
#ifndef __cplusplus
struct exception {
	int type;
	char *name;
	double arg1;
	double arg2;
	double retval;
};
#endif

#define	HUGE		MAXFLOAT

/*
 * set X_TLOSS = pi*2**52, which is possibly defined in <values.h>
 * (one may replace the following line by "#include <values.h>")
 */

#define X_TLOSS		1.41484755040568800000e+16

#define	DOMAIN		1
#define	SING		2
#define	OVERFLOW	3
#define	UNDERFLOW	4
#define	TLOSS		5
#define	PLOSS		6

#endif /* !_XOPEN_SOURCE */
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */


#include <sys/cdefs.h>
__BEGIN_DECLS
/*
 * ANSI/POSIX
 */
extern double acos __P((double));
extern double asin __P((double));
extern double atan __P((double));
extern double atan2 __P((double, double));
extern double cos __P((double));
extern double sin __P((double));
extern double tan __P((double));

extern double cosh __P((double));
extern double sinh __P((double));
extern double tanh __P((double));

extern double exp __P((double));
extern double frexp __P((double, int *));
extern double ldexp __P((double, int));
extern double log __P((double));
extern double log10 __P((double));
extern double modf __P((double, double *));

extern double pow __P((double, double));
extern double sqrt __P((double));

extern double ceil __P((double));
extern double fabs __P((double));
extern double floor __P((double));
extern double fmod __P((double, double));

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
extern double erf __P((double));
extern double erfc __P((double));
extern double gamma __P((double));
extern double hypot __P((double, double));
extern int isinf __P((double));
extern int isnan __P((double));
extern int finite __P((double));
extern double j0 __P((double));
extern double j1 __P((double));
extern double jn __P((int, double));
extern double lgamma __P((double));
extern double y0 __P((double));
extern double y1 __P((double));
extern double yn __P((int, double));

#if !defined(_XOPEN_SOURCE)
extern double acosh __P((double));
extern double asinh __P((double));
extern double atanh __P((double));
extern double cbrt __P((double));
extern double logb __P((double));
extern double nextafter __P((double, double));
extern double remainder __P((double, double));
extern double scalb __P((double, double));

#ifndef __cplusplus
extern int matherr __P((struct exception *));
#endif

/*
 * IEEE Test Vector
 */
extern double significand __P((double));

/*
 * Functions callable from C, intended to support IEEE arithmetic.
 */
extern double copysign __P((double, double));
extern int ilogb __P((double));
extern double rint __P((double));
extern double scalbn __P((double, int));

/*
 * BSD math library entry points
 */
extern double cabs();
extern double drem __P((double, double));
extern double expm1 __P((double));
extern double log1p __P((double));

/*
 * Reentrant version of gamma & lgamma; passes signgam back by reference
 * as the second argument; user must allocate space for signgam.
 */
#ifdef _REENTRANT
extern double gamma_r __P((double, int *));
extern double lgamma_r __P((double, int *));
#endif /* _REENTRANT */


/* float versions of ANSI/POSIX functions */
extern float acosf __P((float));
extern float asinf __P((float));
extern float atanf __P((float));
extern float atan2f __P((float, float));
extern float cosf __P((float));
extern float sinf __P((float));
extern float tanf __P((float));

extern float coshf __P((float));
extern float sinhf __P((float));
extern float tanhf __P((float));

extern float expf __P((float));
extern float frexpf __P((float, int *));
extern float ldexpf __P((float, int));
extern float logf __P((float));
extern float log10f __P((float));
extern float modff __P((float, float *));

extern float powf __P((float, float));
extern float sqrtf __P((float));

extern float ceilf __P((float));
extern float fabsf __P((float));
extern float floorf __P((float));
extern float fmodf __P((float, float));

extern float erff __P((float));
extern float erfcf __P((float));
extern float gammaf __P((float));
extern float hypotf __P((float, float));
extern int isnanf __P((float));
extern int finitef __P((float));
extern float j0f __P((float));
extern float j1f __P((float));
extern float jnf __P((int, float));
extern float lgammaf __P((float));
extern float y0f __P((float));
extern float y1f __P((float));
extern float ynf __P((int, float));

extern float acoshf __P((float));
extern float asinhf __P((float));
extern float atanhf __P((float));
extern float cbrtf __P((float));
extern float logbf __P((float));
extern float nextafterf __P((float, float));
extern float remainderf __P((float, float));
extern float scalbf __P((float, float));

/*
 * float version of IEEE Test Vector
 */
extern float significandf __P((float));

/*
 * Float versions of functions callable from C, intended to support
 * IEEE arithmetic.
 */
extern float copysignf __P((float, float));
extern int ilogbf __P((float));
extern float rintf __P((float));
extern float scalbnf __P((float, int));

/*
 * float versions of BSD math library entry points
 */
extern float cabsf ();
extern float dremf __P((float, float));
extern float expm1f __P((float));
extern float log1pf __P((float));

/*
 * Float versions of reentrant version of gamma & lgamma; passes
 * signgam back by reference as the second argument; user must
 * allocate space for signgam.
 */
#ifdef _REENTRANT
extern float gammaf_r __P((float, int *));
extern float lgammaf_r __P((float, int *));
#endif	/* _REENTRANT */

#endif /* !_XOPEN_SOURCE */
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
__END_DECLS

#endif /* _MATH_H_ */

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