inferno-os tree was separated from the inferno-os-android (separated from the Android driver)

1 files changed, 150 insertions, 0 deletions

diff --git a/libmath/fdlibm/fdlibm.h b/libmath/fdlibm/fdlibm.h
new file mode 100644
index 0000000..a2875f1
--- /dev/null
+++ b/libmath/fdlibm/fdlibm.h
@@ -0,0 +1,150 @@
+/* derived from /netlib/fdlibm */
+#include "lib9.h"
+
+/* @(#)fdlibm.h 1.5 95/01/18 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+
+#ifdef USE_FPdbleword
+#define __HI(x) ((FPdbleword*)&x)->hi
+#define __LO(x) ((FPdbleword*)&x)->lo
+#define __HIp(x) ((FPdbleword*)x)->hi
+#define __LOp(x) ((FPdbleword*)x)->lo
+#else
+#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
+#endif
+
+/*
+ * ANSI/POSIX
+ */
+extern double acos(double);
+extern double asin(double);
+extern double atan(double);
+extern double atan2(double, double);
+extern double cos(double);
+extern double sin(double);
+extern double tan(double);
+
+extern double cosh(double);
+extern double sinh(double);
+extern double tanh(double);
+
+extern double exp(double);
+extern double frexp(double, int *);
+extern double ldexp(double, int);
+extern double log(double);
+extern double log10(double);
+extern double modf(double, double *);
+
+extern double pow(double, double);
+extern double sqrt(double);
+
+extern double ceil(double);
+extern double fabs(double);
+extern double floor(double);
+extern double fmod(double, double);
+
+extern double erf(double);
+extern double erfc(double);
+extern double gamma(double);
+extern double hypot(double, double);
+extern int finite(double);
+extern double j0(double);
+extern double j1(double);
+extern double jn(int, double);
+extern double lgamma(double);
+extern double y0(double);
+extern double y1(double);
+extern double yn(int, double);
+
+extern double acosh(double);
+extern double asinh(double);
+extern double atanh(double);
+extern double cbrt(double);
+extern double logb(double);
+extern double nextafter(double, double);
+extern double remainder(double, double);
+extern double scalb(double, double);
+
+/*
+ * IEEE Test Vector
+ */
+extern double significand(double);
+
+/*
+ * Functions callable from C, intended to support IEEE arithmetic.
+ */
+extern double copysign(double, double);
+extern int ilogb(double);
+extern double rint(double);
+extern double scalbn(double, int);
+
+/*
+ * BSD math library entry points
+ */
+extern double expm1(double);
+extern double log1p(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(double, int *);
+extern double lgamma_r(double, int *);
+#endif	/* _REENTRANT */
+
+/* ieee style elementary functions */
+extern double __ieee754_sqrt(double);			
+extern double __ieee754_acos(double);			
+extern double __ieee754_acosh(double);			
+extern double __ieee754_log(double);			
+extern double __ieee754_atanh(double);			
+extern double __ieee754_asin(double);			
+extern double __ieee754_atan2(double,double);			
+extern double __ieee754_exp(double);
+extern double __ieee754_cosh(double);
+extern double __ieee754_fmod(double,double);
+extern double __ieee754_pow(double,double);
+extern double __ieee754_lgamma_r(double,int *);
+extern double __ieee754_gamma_r(double,int *);
+extern double __ieee754_lgamma(double);
+extern double __ieee754_gamma(double);
+extern double __ieee754_log10(double);
+extern double __ieee754_sinh(double);
+extern double __ieee754_hypot(double,double);
+extern double __ieee754_j0(double);
+extern double __ieee754_j1(double);
+extern double __ieee754_y0(double);
+extern double __ieee754_y1(double);
+extern double __ieee754_jn(int,double);
+extern double __ieee754_yn(int,double);
+extern double __ieee754_remainder(double,double);
+extern int    __ieee754_rem_pio2(double,double*);
+extern double __ieee754_scalb(double,int);
+
+/* fdlibm kernel function */
+extern double __kernel_standard(double,double,int);	
+extern double __kernel_sin(double,double,int);
+extern double __kernel_cos(double,double);
+extern double __kernel_tan(double,double,int);
+extern int    __kernel_rem_pio2(double*,double*,int,int,int,const int*);