/* wf_j1.c -- float version of w_j1.c. * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. */ /* * ==================================================== * 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. * ==================================================== */ /* * wrapper of j1f,y1f */ #include "fdlibm.h" #include #ifdef __STDC__ float j1f(float x) /* wrapper j1f */ #else float j1f(x) /* wrapper j1f */ float x; #endif { #ifdef _IEEE_LIBM return __ieee754_j1f(x); #else float z; z = __ieee754_j1f(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(fabsf(x)>(float)X_TLOSS) { /* j1f(|x|>X_TLOSS) */ errno = ERANGE; return 0.0f; } else return z; #endif } #ifdef __STDC__ float y1f(float x) /* wrapper y1f */ #else float y1f(x) /* wrapper y1f */ float x; #endif { #ifdef _IEEE_LIBM return __ieee754_y1f(x); #else float z; z = __ieee754_y1f(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(x <= 0.0f){ /* y1f(0) = -inf or y1f(x<0) = NaN */ errno = EDOM; return -HUGE_VALF; } if(x>(float)X_TLOSS) { /* y1f(x>X_TLOSS) */ errno = ERANGE; return 0.0f; } else return z; #endif } #ifdef _DOUBLE_IS_32BITS #ifdef __STDC__ double j1(double x) #else double j1(x) double x; #endif { return (double) j1f((float) x); } #ifdef __STDC__ double y1(double x) #else double y1(x) double x; #endif { return (double) y1f((float) x); } #endif /* defined(_DOUBLE_IS_32BITS) */