diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_j1.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_j1.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_j1.c b/sysdeps/ieee754/dbl-64/e_j1.c index 4827fbf3d3..734f3ca64a 100644 --- a/sysdeps/ieee754/dbl-64/e_j1.c +++ b/sysdeps/ieee754/dbl-64/e_j1.c @@ -61,7 +61,9 @@ #include <errno.h> #include <float.h> #include <math.h> +#include <math-narrow-eval.h> #include <math_private.h> +#include <math-underflow.h> static double pone (double), qone (double); @@ -112,11 +114,11 @@ __ieee754_j1 (double x) * y1(x) = 1/sqrt(pi) * (P(1,x)*ss + Q(1,x)*cc) / sqrt(x) */ if (ix > 0x48000000) - z = (invsqrtpi * cc) / __ieee754_sqrt (y); + z = (invsqrtpi * cc) / sqrt (y); else { u = pone (y); v = qone (y); - z = invsqrtpi * (u * cc - v * ss) / __ieee754_sqrt (y); + z = invsqrtpi * (u * cc - v * ss) / sqrt (y); } if (hx < 0) return -z; @@ -174,7 +176,7 @@ __ieee754_y1 (double x) if (__glibc_unlikely (ix >= 0x7ff00000)) return one / (x + x * x); if (__glibc_unlikely ((ix | lx) == 0)) - return -HUGE_VAL + x; + return -1 / zero; /* -inf and divide by zero exception. */ /* -inf and overflow exception. */; if (__glibc_unlikely (hx < 0)) return zero / (zero * x); @@ -203,11 +205,11 @@ __ieee754_y1 (double x) * to compute the worse one. */ if (ix > 0x48000000) - z = (invsqrtpi * ss) / __ieee754_sqrt (x); + z = (invsqrtpi * ss) / sqrt (x); else { u = pone (x); v = qone (x); - z = invsqrtpi * (u * ss + v * cc) / __ieee754_sqrt (x); + z = invsqrtpi * (u * ss + v * cc) / sqrt (x); } return z; } |