diff options
Diffstat (limited to 'math/s_casinhl.c')
| -rw-r--r-- | math/s_casinhl.c | 43 |
1 files changed, 1 insertions, 42 deletions
diff --git a/math/s_casinhl.c b/math/s_casinhl.c index d7c74593e4..2afc52714e 100644 --- a/math/s_casinhl.c +++ b/math/s_casinhl.c @@ -20,14 +20,6 @@ #include <complex.h> #include <math.h> #include <math_private.h> -#include <float.h> - -/* To avoid spurious overflows, use this definition to treat IBM long - double as approximating an IEEE-style format. */ -#if LDBL_MANT_DIG == 106 -# undef LDBL_EPSILON -# define LDBL_EPSILON 0x1p-106L -#endif __complex__ long double __casinhl (__complex__ long double x) @@ -69,40 +61,7 @@ __casinhl (__complex__ long double x) } else { - long double rx, ix; - __complex__ long double y; - - /* Avoid cancellation by reducing to the first quadrant. */ - rx = fabsl (__real__ x); - ix = fabsl (__imag__ x); - - if (rx >= 1.0L / LDBL_EPSILON || ix >= 1.0L / LDBL_EPSILON) - { - /* For large x in the first quadrant, x + csqrt (1 + x * x) - is sufficiently close to 2 * x to make no significant - difference to the result; avoid possible overflow from - the squaring and addition. */ - __real__ y = rx; - __imag__ y = ix; - res = __clogl (y); - __real__ res += M_LN2l; - } - else - { - __real__ y = (rx - ix) * (rx + ix) + 1.0; - __imag__ y = 2.0 * rx * ix; - - y = __csqrtl (y); - - __real__ y += rx; - __imag__ y += ix; - - res = __clogl (y); - } - - /* Give results the correct sign for the original argument. */ - __real__ res = __copysignl (__real__ res, __real__ x); - __imag__ res = __copysignl (__imag__ res, __imag__ x); + res = __kernel_casinhl (x, 0); } return res; |