Merging upstream version 1.75.0+dfsg1.

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

1 files changed, 0 insertions, 66 deletions

diff --git a/vendor/libm-0.1.4/src/math/logf.rs b/vendor/libm-0.1.4/src/math/logf.rs
deleted file mode 100644
index 95195601c..000000000
--- a/vendor/libm-0.1.4/src/math/logf.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-/* origin: FreeBSD /usr/src/lib/msun/src/e_logf.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.
- * ====================================================
- */
-
-const LN2_HI: f32 = 6.9313812256e-01; /* 0x3f317180 */
-const LN2_LO: f32 = 9.0580006145e-06; /* 0x3717f7d1 */
-/* |(log(1+s)-log(1-s))/s - Lg(s)| < 2**-34.24 (~[-4.95e-11, 4.97e-11]). */
-const LG1: f32 = 0.66666662693; /*  0xaaaaaa.0p-24*/
-const LG2: f32 = 0.40000972152; /*  0xccce13.0p-25 */
-const LG3: f32 = 0.28498786688; /*  0x91e9ee.0p-25 */
-const LG4: f32 = 0.24279078841; /*  0xf89e26.0p-26 */
-
-#[inline]
-#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
-pub fn logf(mut x: f32) -> f32 {
-    let x1p25 = f32::from_bits(0x4c000000); // 0x1p25f === 2 ^ 25
-
-    let mut ix = x.to_bits();
-    let mut k = 0i32;
-
-    if (ix < 0x00800000) || ((ix >> 31) != 0) {
-        /* x < 2**-126  */
-        if ix << 1 == 0 {
-            return -1. / (x * x); /* log(+-0)=-inf */
-        }
-        if (ix >> 31) != 0 {
-            return (x - x) / 0.; /* log(-#) = NaN */
-        }
-        /* subnormal number, scale up x */
-        k -= 25;
-        x *= x1p25;
-        ix = x.to_bits();
-    } else if ix >= 0x7f800000 {
-        return x;
-    } else if ix == 0x3f800000 {
-        return 0.;
-    }
-
-    /* reduce x into [sqrt(2)/2, sqrt(2)] */
-    ix += 0x3f800000 - 0x3f3504f3;
-    k += ((ix >> 23) as i32) - 0x7f;
-    ix = (ix & 0x007fffff) + 0x3f3504f3;
-    x = f32::from_bits(ix);
-
-    let f = x - 1.;
-    let s = f / (2. + f);
-    let z = s * s;
-    let w = z * z;
-    let t1 = w * (LG2 + w * LG4);
-    let t2 = z * (LG1 + w * LG3);
-    let r = t2 + t1;
-    let hfsq = 0.5 * f * f;
-    let dk = k as f32;
-    s * (hfsq + r) + dk * LN2_LO - hfsq + f + dk * LN2_HI
-}