/* @(#)w_j1.c 5.1 93/09/24 */ /* * ==================================================== * 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 j1,y1 */ #include "fdlibm.h" #include #ifndef _DOUBLE_IS_32BITS #ifdef __STDC__ double j1(double x) /* wrapper j1 */ #else double j1(x) /* wrapper j1 */ double x; #endif { #ifdef _IEEE_LIBM return __ieee754_j1(x); #else double z; z = __ieee754_j1(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(fabs(x)>X_TLOSS) { /* j1(|x|>X_TLOSS) */ errno = ERANGE; return 0.0; } else return z; #endif } #ifdef __STDC__ double y1(double x) /* wrapper y1 */ #else double y1(x) /* wrapper y1 */ double x; #endif { #ifdef _IEEE_LIBM return __ieee754_y1(x); #else double z; z = __ieee754_y1(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(x < 0.0){ /* y1(x<0) = NaN */ errno = EDOM; } if(x == 0.0){ /* y1(0) = -inf */ errno = ERANGE; } if(x>X_TLOSS) { /* y1(x>X_TLOSS) */ errno = ERANGE; } return z; #endif } #endif /* defined(_DOUBLE_IS_32BITS) */