diff options
Diffstat (limited to 'src/lib/include')
| -rw-r--r-- | src/lib/include/fdlibm.h | 216 | ||||
| -rw-r--r-- | src/lib/include/kogata/draw.h | 5 | ||||
| -rw-r--r-- | src/lib/include/math.h | 57 |
3 files changed, 223 insertions, 55 deletions
diff --git a/src/lib/include/fdlibm.h b/src/lib/include/fdlibm.h new file mode 100644 index 0000000..93acf7c --- /dev/null +++ b/src/lib/include/fdlibm.h @@ -0,0 +1,216 @@ + +/* @(#)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. + * ==================================================== + */ + +/* 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 + +#ifdef __STDC__ +#define __P(p) p +#else +#define __P(p) () +#endif + +/* + * ANSI/POSIX + */ + +extern int signgam; + +#define MAXFLOAT ((float)3.40282346638528860e+38) + +enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix}; + +#define _LIB_VERSION_TYPE enum fdversion +#define _LIB_VERSION _IEEE_ + +/* 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 + +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 <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 + +/* + * 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_rem_pio2 __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_rem_pio2 __P((double*,double*,int,int,int,const int*)); diff --git a/src/lib/include/kogata/draw.h b/src/lib/include/kogata/draw.h index 1f12389..470ab4c 100644 --- a/src/lib/include/kogata/draw.h +++ b/src/lib/include/kogata/draw.h @@ -58,14 +58,15 @@ void g_scroll_up(fb_t *fb, int l); // ---- Text manipulation -font_t *g_load_font(const char* filename); +font_t *g_load_ascii_bitmap_font(const char* filename); +font_t *g_load_ttf_font(const char* filename); void g_incref_font(font_t *f); void g_decref_font(font_t *f); int g_text_width(font_t *f, const char* text); int g_text_height(font_t *f, const char* text); -void g_write(fb_t *fb, int x, int y, const char* text, font_t *font, color_t c); +void g_write(fb_t *fb, int x, int y, const char* text, font_t *font, int size, color_t c); /* vim: set ts=4 sw=4 tw=0 noet :*/ diff --git a/src/lib/include/math.h b/src/lib/include/math.h index dfb515c..fa051fc 100644 --- a/src/lib/include/math.h +++ b/src/lib/include/math.h @@ -1,61 +1,12 @@ #pragma once -// TODO +#include "fdlibm.h" -#define INFINITY 0 +#define HUGE_VAL ((double)HUGE) +#define HUGE_VALF ((float)HUGE) +#define HUGE_VALL ((long double)HUGE) -#define NAN 0 - -#define HUGE_VAL 0 -#define HUGE_VALF 0 -#define HUGE_VALL 0 - -// Float -float fabsf(float x); - -float cosf(float x); -float sinf(float x); -float tanf(float x); - -float acosf(float x); -float asinf(float x); -float atan2f(float y, float x); - -float floorf(float x); -float ceilf(float x); -float fmodf(float x, float y); - -float sqrtf(float x); -float logf(float x); -float log2f(float x); -float log10f(float x); -float expf(float x); -float frexpf(float x, int *exp); -float powf(float x, float y); - -// Double -double fabs(double x); - -double cos(double x); -double sin(double x); -double tan(double x); - -double acos(double x); -double asin(double x); -double atan2(double y, double x); - -double floor(double x); -double ceil(double x); -double fmod(double x, double y); - -double sqrt(double x); -double log(double x); double log2(double x); -double log10(double x); -double exp(double x); -double frexp(double x, int *exp); -double pow(double x, double y); -#define isinf(x) (0) /* vim: set sts=0 ts=4 sw=4 tw=0 noet :*/ |