diff options
Diffstat (limited to 'REORG.TODO/math/w_hypotl_compat.c')
| -rw-r--r-- | REORG.TODO/math/w_hypotl_compat.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/REORG.TODO/math/w_hypotl_compat.c b/REORG.TODO/math/w_hypotl_compat.c new file mode 100644 index 0000000000..c784fa2c64 --- /dev/null +++ b/REORG.TODO/math/w_hypotl_compat.c @@ -0,0 +1,36 @@ +/* w_hypotl.c -- long double version of w_hypot.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@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 hypotl(x,y) + */ + +#include <math.h> +#include <math_private.h> + + +long double +__hypotl(long double x, long double y) +{ + long double z; + z = __ieee754_hypotl(x,y); + if(__builtin_expect(!isfinite(z), 0) + && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) + return __kernel_standard_l(x, y, 204); /* hypot overflow */ + + return z; +} +weak_alias (__hypotl, hypotl) |