From 55487832c614edb61ebf22d0c153944ba864feaa Mon Sep 17 00:00:00 2001 From: mrb0nk500 Date: Thu, 2 Feb 2023 11:30:25 -0400 Subject: sdk: Add `mtx` We're slowly getting there. --- include/fdlibm.h | 227 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 227 insertions(+) create mode 100644 include/fdlibm.h (limited to 'include/fdlibm.h') diff --git a/include/fdlibm.h b/include/fdlibm.h new file mode 100644 index 0000000..2b3388c --- /dev/null +++ b/include/fdlibm.h @@ -0,0 +1,227 @@ +#ifndef _FDLIBM_H +#define _FDLIBM_H + +/* @(#)fdlibm.h 1.5 04/04/22 */ +/* + * ==================================================== + * Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved. + * + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +#ifdef __cplusplus +extern "C" { +#endif // ifdef __cplusplus + +/* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly + but these catch some common cases. */ + +#if defined(i386) || defined(i486) || defined(intel) || defined(x86) || defined(i86pc) || defined(__alpha) || defined(__osf__) +#define __LITTLE_ENDIAN +#endif + +#ifdef __LITTLE_ENDIAN +#define __HI(x) *(1 + (int*)&x) +#define __LO(x) *(int*)&x +#define __HIp(x) *(1 + (int*)x) +#define __LOp(x) *(int*)x +#else +#define __HI(x) *(int*)&x +#define __LO(x) *(1 + (int*)&x) +#define __HIp(x) *(int*)x +#define __LOp(x) *(1 + (int*)x) +#endif + +// TODO: should __STDC__ actually be defined? +// #ifdef __STDC__ +#define __P(p) p +// #else +// #define __P(p) () +// #endif + +/* + * ANSI/POSIX + */ + +extern int signgam; + +#define MAXFLOAT ((float)3.40282346638528860e+38) + +enum fdversion { fdlibmIeee = -1, fdlibmSvid, fdlibmXopen, fdlibmPosix }; + +#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_ fdlibmIeee +#define _SVID_ fdlibmSvid +#define _XOPEN_ fdlibmXopen +#define _POSIX_ fdlibmPosix + +struct exception { + int type; + char* name; + double arg1; + double arg2; + double retval; +}; + +#define HUGE MAXFLOAT + +/* + * set X_TLOSS = pi*2**52, which is possibly defined in + * (one may replace the following line by "#include ") + */ + +#define X_TLOSS 1.41484755040568800000e+16 + +#define DOMAIN 1 +#define SING 2 +#define OVERFLOW 3 +#define UNDERFLOW 4 +#define TLOSS 5 +#define PLOSS 6 + +/* + * 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)); + +extern double erf __P((double)); +extern double erfc __P((double)); +extern double gamma __P((double)); +extern double hypot __P((double, 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)); + +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)); +#ifdef _SCALB_INT +extern double scalb __P((double, int)); +#else +extern double scalb __P((double, double)); +#endif + +extern int matherr __P((struct exception*)); + +/* + * 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 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 */ + +/* ieee style elementary functions */ +extern double __ieee754_sqrt __P((double)); +extern double __ieee754_acos __P((double)); +extern double __ieee754_acosh __P((double)); +extern double __ieee754_log __P((double)); +extern double __ieee754_atanh __P((double)); +extern double __ieee754_asin __P((double)); +extern double __ieee754_atan2 __P((double, double)); +extern double __ieee754_exp __P((double)); +extern double __ieee754_cosh __P((double)); +extern double __ieee754_fmod __P((double, double)); +extern double __ieee754_pow __P((double, double)); +extern double __ieee754_lgamma_r __P((double, int*)); +extern double __ieee754_gamma_r __P((double, int*)); +extern double __ieee754_lgamma __P((double)); +extern double __ieee754_gamma __P((double)); +extern double __ieee754_log10 __P((double)); +extern double __ieee754_sinh __P((double)); +extern double __ieee754_hypot __P((double, double)); +extern double __ieee754_j0 __P((double)); +extern double __ieee754_j1 __P((double)); +extern double __ieee754_y0 __P((double)); +extern double __ieee754_y1 __P((double)); +extern double __ieee754_jn __P((int, double)); +extern double __ieee754_yn __P((int, double)); +extern double __ieee754_remainder __P((double, double)); +extern int __ieee754_remPio2 __P((double, double*)); +#ifdef _SCALB_INT +extern double __ieee754_scalb __P((double, int)); +#else +extern double __ieee754_scalb __P((double, double)); +#endif + +/* fdlibm kernel function */ +extern double __kernel_standard __P((double, double, int)); +extern double __kernel_sin __P((double, double, int)); +extern double __kernel_cos __P((double, double)); +extern double __kernel_tan __P((double, double, int)); +extern int __kernel_remPio2 __P((double*, double*, int, int, int, const int*)); + +#ifdef __cplusplus +}; +#endif // ifdef __cplusplus + +#endif -- cgit v1.2.3-13-gbd6f