Roll skia/third_party/skcms 14ea609fa6ca..99b01c076f47 (1 commits)

https://skia.googlesource.com/skcms.git/+log/14ea609fa6ca..99b01c076f47

2018-07-02 mtklein@chromium.org move skcms impl into skcms.c


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CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel
TBR=ethannicholas@google.com

Change-Id: I950f7b604eef056641fec3e6691d8c8a928d2d37
Reviewed-on: https://skia-review.googlesource.com/138950
Commit-Queue: skcms-skia-autoroll <skcms-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: skcms-skia-autoroll <skcms-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>

1 files changed, 0 insertions, 55 deletions

diff --git a/third_party/skcms/src/PortableMath.c b/third_party/skcms/src/PortableMath.c
deleted file mode 100644
index 52e8b7d1c8..0000000000
--- a/third_party/skcms/src/PortableMath.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright 2018 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "../skcms.h"
-#include "../skcms_internal.h"
-#include <limits.h>
-#include <string.h>
-
-#if defined(__clang__) || defined(__GNUC__)
-    #define small_memcpy __builtin_memcpy
-#else
-    #define small_memcpy memcpy
-#endif
-
-float log2f_(float x) {
-    // The first approximation of log2(x) is its exponent 'e', minus 127.
-    int32_t bits;
-    small_memcpy(&bits, &x, sizeof(bits));
-
-    float e = (float)bits * (1.0f / (1<<23));
-
-    // If we use the mantissa too we can refine the error signficantly.
-    int32_t m_bits = (bits & 0x007fffff) | 0x3f000000;
-    float m;
-    small_memcpy(&m, &m_bits, sizeof(m));
-
-    return (e - 124.225514990f
-              -   1.498030302f*m
-              -   1.725879990f/(0.3520887068f + m));
-}
-
-float exp2f_(float x) {
-    float fract = x - floorf_(x);
-
-    float fbits = (1.0f * (1<<23)) * (x + 121.274057500f
-                                        -   1.490129070f*fract
-                                        +  27.728023300f/(4.84252568f - fract));
-    if (fbits > INT_MAX) {
-        return INFINITY_;
-    } else if (fbits < INT_MIN) {
-        return -INFINITY_;
-    }
-    int32_t bits = (int32_t)fbits;
-    small_memcpy(&x, &bits, sizeof(x));
-    return x;
-}
-
-float powf_(float x, float y) {
-    return (x == 0) || (x == 1) ? x
-                                : exp2f_(log2f_(x) * y);
-}