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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkFloatingPoint_DEFINED | 10 #ifndef SkFloatingPoint_DEFINED |
11 #define SkFloatingPoint_DEFINED | 11 #define SkFloatingPoint_DEFINED |
12 | 12 |
13 #include "SkTypes.h" | 13 #include "SkTypes.h" |
14 | 14 |
15 #include <math.h> | 15 #include <math.h> |
16 #include <float.h> | 16 #include <float.h> |
17 | 17 |
| 18 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE1 |
| 19 #include <xmmintrin.h> |
| 20 #elif defined(SK_ARM_HAS_NEON) |
| 21 #include <arm_neon.h> |
| 22 #endif |
| 23 |
18 // For _POSIX_VERSION | 24 // For _POSIX_VERSION |
19 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) | 25 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) |
20 #include <unistd.h> | 26 #include <unistd.h> |
21 #endif | 27 #endif |
22 | 28 |
23 #include "SkFloatBits.h" | 29 #include "SkFloatBits.h" |
24 | 30 |
25 // C++98 cmath std::pow seems to be the earliest portable way to get float pow. | 31 // C++98 cmath std::pow seems to be the earliest portable way to get float pow. |
26 // However, on Linux including cmath undefines isfinite. | 32 // However, on Linux including cmath undefines isfinite. |
27 // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14608 | 33 // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14608 |
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143 // This is the number of significant digits we can print in a string such that w
hen we read that | 149 // This is the number of significant digits we can print in a string such that w
hen we read that |
144 // string back we get the floating point number we expect. The minimum value C
requires is 6, but | 150 // string back we get the floating point number we expect. The minimum value C
requires is 6, but |
145 // most compilers support 9 | 151 // most compilers support 9 |
146 #ifdef FLT_DECIMAL_DIG | 152 #ifdef FLT_DECIMAL_DIG |
147 #define SK_FLT_DECIMAL_DIG FLT_DECIMAL_DIG | 153 #define SK_FLT_DECIMAL_DIG FLT_DECIMAL_DIG |
148 #else | 154 #else |
149 #define SK_FLT_DECIMAL_DIG 9 | 155 #define SK_FLT_DECIMAL_DIG 9 |
150 #endif | 156 #endif |
151 | 157 |
152 #endif | 158 #endif |
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