Merging upstream version 1.75.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 36 deletions

diff --git a/vendor/libm-0.1.4/src/math/atanh.rs b/vendor/libm-0.1.4/src/math/atanh.rs
deleted file mode 100644
index 79a989c42..000000000
--- a/vendor/libm-0.1.4/src/math/atanh.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use super::log1p;
-
-/* atanh(x) = log((1+x)/(1-x))/2 = log1p(2x/(1-x))/2 ~= x + x^3/3 + o(x^5) */
-/// Inverse hyperbolic tangent (f64)
-///
-/// Calculates the inverse hyperbolic tangent of `x`.
-/// Is defined as `log((1+x)/(1-x))/2 = log1p(2x/(1-x))/2`.
-pub fn atanh(x: f64) -> f64 {
-    let u = x.to_bits();
-    let e = ((u >> 52) as usize) & 0x7ff;
-    let sign = (u >> 63) != 0;
-
-    /* |x| */
-    let mut y = f64::from_bits(u & 0x7fff_ffff_ffff_ffff);
-
-    if e < 0x3ff - 1 {
-        if e < 0x3ff - 32 {
-            /* handle underflow */
-            if e == 0 {
-                force_eval!(y as f32);
-            }
-        } else {
-            /* |x| < 0.5, up to 1.7ulp error */
-            y = 0.5 * log1p(2.0 * y + 2.0 * y * y / (1.0 - y));
-        }
-    } else {
-        /* avoid overflow */
-        y = 0.5 * log1p(2.0 * (y / (1.0 - y)));
-    }
-
-    if sign {
-        -y
-    } else {
-        y
-    }
-}