home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 1985, 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)math.h 5.8 (Berkeley) 4/2/91
- */
-
- #ifndef _MATH_H_
- #define _MATH_H_
-
- #include <float.h>
-
- #ifndef BITS
- #define BITS(type) (8 * (int)sizeof(type))
- #endif
-
- #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) */
-
- #include <sys/cdefs.h>
-
- 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
- */
- __BEGIN_DECLS
- _LIB_VERSION_TYPE _LIB_VERSION;
- __END_DECLS
-
- #define _IEEE_ fdlibm_ieee
- #define _SVID_ fdlibm_svid
- #define _XOPEN_ fdlibm_xopen
- #define _POSIX_ fdlibm_posix
-
- struct exception {
- int type;
- char *name;
- double arg1;
- double arg2;
- double retval;
- };
-
- /*
- * 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
-
- __BEGIN_DECLS
- int matherr __P((struct exception *));
-
- int signgam;
-
- double erf __P((double));
- double erfc __P((double));
- double gamma __P((double));
- int isnan __P((double));
- int finite __P((double));
- double j0 __P((double));
- double j1 __P((double));
- double jn __P((int, double));
- double lgamma __P((double));
- double y0 __P((double));
- double y1 __P((double));
- double yn __P((int, double));
- double acosh __P((double));
- double asinh __P((double));
- double cbrt __P((double));
- double nextafter __P((double, double));
- double remainder __P((double, double));
- double significand __P((double));
- double copysign __P((double, double));
- int ilogb __P((double));
- double scalbn __P((double, int));
- /*
- * Reentrant version of gamma & lgamma; passes signgam back by reference
- * as the second argument; user must allocate space for signgam.
- */
- #ifdef _REENTRANT
- double gamma_r __P((double, int *));
- double lgamma_r __P((double, int *));
- #endif /* _REENTRANT */
-
- /* ieee style elementary functions */
- double __ieee754_sqrt __P((double));
- double __ieee754_acos __P((double));
- double __ieee754_acosh __P((double));
- double __ieee754_log __P((double));
- double __ieee754_atanh __P((double));
- double __ieee754_asin __P((double));
- double __ieee754_atan2 __P((double,double));
- double __ieee754_exp __P((double));
- double __ieee754_cosh __P((double));
- double __ieee754_fmod __P((double,double));
- double __ieee754_pow __P((double,double));
- double __ieee754_lgamma_r __P((double,int *));
- double __ieee754_gamma_r __P((double,int *));
- double __ieee754_lgamma __P((double));
- double __ieee754_gamma __P((double));
- double __ieee754_log10 __P((double));
- double __ieee754_sinh __P((double));
- double __ieee754_hypot __P((double,double));
- double __ieee754_j0 __P((double));
- double __ieee754_j1 __P((double));
- double __ieee754_y0 __P((double));
- double __ieee754_y1 __P((double));
- double __ieee754_jn __P((int,double));
- double __ieee754_yn __P((int,double));
- double __ieee754_remainder __P((double,double));
- int __ieee754_rem_pio2 __P((double,double*));
- #define _SCALB_INT
- #ifdef _SCALB_INT
- double __ieee754_scalb __P((double,int));
- #else
- double __ieee754_scalb __P((double,double));
- #endif
-
- /* fdlibm kernel function */
- double __kernel_standard __P((double,double,int));
- double __kernel_sin __P((double,double,int));
- double __kernel_cos __P((double,double));
- double __kernel_tan __P((double,double,int));
- int __kernel_rem_pio2 __P((double*,double*,int,int,int,const int*));
- __END_DECLS
-
- #if (defined(__GNUC__) || defined(__cplusplus)) && defined(__HAVE_68881__)
- #include <math-68881.h>
- #else
- #if (defined(__GNUC__) || defined(__cplusplus)) && defined(mc68040)
- #include <math-68040.h>
- #else
-
- #define HUGE_VAL 1e500 /* IEEE: positive infinity */
-
- /*
- * ANSI/POSIX
- */
-
- #define HUGE ((float)3.40282346638528860e+38)
-
- __BEGIN_DECLS
- double acos __P((double));
- double asin __P((double));
- double atan __P((double));
- double atan2 __P((double, double));
- double cos __P((double));
- double sin __P((double));
- double tan __P((double));
- double cosh __P((double));
- double sinh __P((double));
- double tanh __P((double));
- double exp __P((double));
- double frexp __P((double, int *));
- double ldexp __P((double, int));
- double log __P((double));
- double log10 __P((double));
- double modf __P((double, double *));
- double pow __P((double, double));
- double sqrt __P((double));
- double ceil __P((double));
- double fabs __P((double));
- double floor __P((double));
- double fmod __P((double, double));
- double hypot __P((double, double));
- double atanh __P((double));
- double logb __P((double));
- #ifdef _SCALB_INT
- double scalb __P((double, int));
- #else
- double scalb __P((double, double));
- #endif
- double rint __P((double));
- double expm1 __P((double));
- double log1p __P((double));
- __END_DECLS
-
- #endif /* mc68040 */
- #endif /* __HAVE_68881__ */
-
- __BEGIN_DECLS
- /* These functions are defined in ixemul */
- int isinf __P((double));
- int isnan __P((double));
- /* This function had a different name in the old libm.a */
- #define drem remainder
- /* These functions are missing from the library, but were defined
- in the older libm.a */
- double cabs(); /* we can't describe cabs()'s argument properly */
- __END_DECLS
-
- #endif /* _MATH_H_ */
-