diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/e_sinhf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_sinhf.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/sysdeps/ieee754/flt-32/e_sinhf.c b/sysdeps/ieee754/flt-32/e_sinhf.c deleted file mode 100644 index 6100d95c55..0000000000 --- a/sysdeps/ieee754/flt-32/e_sinhf.c +++ /dev/null @@ -1,60 +0,0 @@ -/* e_sinhf.c -- float version of e_sinh.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. - * ==================================================== - */ - -#include <float.h> -#include <math.h> -#include <math_private.h> - -static const float one = 1.0, shuge = 1.0e37; - -float -__ieee754_sinhf(float x) -{ - float t,w,h; - int32_t ix,jx; - - GET_FLOAT_WORD(jx,x); - ix = jx&0x7fffffff; - - /* x is INF or NaN */ - if(__builtin_expect(ix>=0x7f800000, 0)) return x+x; - - h = 0.5; - if (jx<0) h = -h; - /* |x| in [0,22], return sign(x)*0.5*(E+E/(E+1))) */ - if (ix < 0x41b00000) { /* |x|<22 */ - if (__builtin_expect(ix<0x31800000, 0)) { /* |x|<2**-28 */ - math_check_force_underflow (x); - if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */ - } - t = __expm1f(fabsf(x)); - if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one)); - return h*(t+t/(t+one)); - } - - /* |x| in [22, log(maxdouble)] return 0.5*exp(|x|) */ - if (ix < 0x42b17180) return h*__ieee754_expf(fabsf(x)); - - /* |x| in [log(maxdouble), overflowthresold] */ - if (ix<=0x42b2d4fc) { - w = __ieee754_expf((float)0.5*fabsf(x)); - t = h*w; - return t*w; - } - - /* |x| > overflowthresold, sinh(x) overflow */ - return math_narrow_eval (x*shuge); -} -strong_alias (__ieee754_sinhf, __sinhf_finite) |