diff options
Diffstat (limited to 'REORG.TODO/sysdeps/ieee754/flt-32/e_hypotf.c')
| -rw-r--r-- | REORG.TODO/sysdeps/ieee754/flt-32/e_hypotf.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/ieee754/flt-32/e_hypotf.c b/REORG.TODO/sysdeps/ieee754/flt-32/e_hypotf.c new file mode 100644 index 0000000000..fda2651a84 --- /dev/null +++ b/REORG.TODO/sysdeps/ieee754/flt-32/e_hypotf.c @@ -0,0 +1,45 @@ +/* e_hypotf.c -- float version of e_hypot.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 <math.h> +#include <math_private.h> + +float +__ieee754_hypotf(float x, float y) +{ + double d_x, d_y; + int32_t ha, hb; + + GET_FLOAT_WORD(ha,x); + ha &= 0x7fffffff; + GET_FLOAT_WORD(hb,y); + hb &= 0x7fffffff; + if (ha == 0x7f800000 && !issignaling (y)) + return fabsf(x); + else if (hb == 0x7f800000 && !issignaling (x)) + return fabsf(y); + else if (ha > 0x7f800000 || hb > 0x7f800000) + return fabsf(x) * fabsf(y); + else if (ha == 0) + return fabsf(y); + else if (hb == 0) + return fabsf(x); + + d_x = (double) x; + d_y = (double) y; + + return (float) __ieee754_sqrt(d_x * d_x + d_y * d_y); +} +strong_alias (__ieee754_hypotf, __hypotf_finite) |