diff options
Diffstat (limited to 'src/math/tgammal.c')
| -rw-r--r-- | src/math/tgammal.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/src/math/tgammal.c b/src/math/tgammal.c index 1b8fddea..1b460da5 100644 --- a/src/math/tgammal.c +++ b/src/math/tgammal.c @@ -183,18 +183,18 @@ static long double stirf(long double x) { long double y, w, v; - w = 1.0L/x; + w = 1.0/x; /* For large x, use rational coefficients from the analytical expansion. */ - if (x > 1024.0L) + if (x > 1024.0) w = (((((6.97281375836585777429E-5L * w + 7.84039221720066627474E-4L) * w - 2.29472093621399176955E-4L) * w - 2.68132716049382716049E-3L) * w + 3.47222222222222222222E-3L) * w + 8.33333333333333333333E-2L) * w - + 1.0L; + + 1.0; else - w = 1.0L + w * __polevll(w, STIR, 8); + w = 1.0 + w * __polevll(w, STIR, 8); y = expl(x); if (x > MAXSTIR) { /* Avoid overflow in pow() */ v = powl(x, 0.5L * x - 0.25L); @@ -219,10 +219,10 @@ long double tgammal(long double x) if (x == -INFINITY) return x - x; q = fabsl(x); - if (q > 13.0L) { + if (q > 13.0) { if (q > MAXGAML) goto goverf; - if (x < 0.0L) { + if (x < 0.0) { p = floorl(q); if (p == q) return (x - x) / (x - x); @@ -231,7 +231,7 @@ long double tgammal(long double x) signgam = -1; z = q - p; if (z > 0.5L) { - p += 1.0L; + p += 1.0; z = q - p; } z = q * sinl(PIL * z); @@ -247,25 +247,25 @@ goverf: return signgam * z; } - z = 1.0L; - while (x >= 3.0L) { - x -= 1.0L; + z = 1.0; + while (x >= 3.0) { + x -= 1.0; z *= x; } while (x < -0.03125L) { z /= x; - x += 1.0L; + x += 1.0; } if (x <= 0.03125L) goto small; - while (x < 2.0L) { + while (x < 2.0) { z /= x; - x += 1.0L; + x += 1.0; } - if (x == 2.0L) + if (x == 2.0) return z; - x -= 2.0L; + x -= 2.0; p = __polevll(x, P, 7); q = __polevll(x, Q, 8); z = z * p / q; @@ -274,9 +274,9 @@ goverf: return z; small: - if (x == 0.0L) + if (x == 0.0) return (x - x) / (x - x); - if (x < 0.0L) { + if (x < 0.0) { x = -x; q = z / (x * __polevll(x, SN, 8)); signgam = -1; |