1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* libs/graphics/sgl/SkFP.h
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef SkFP_DEFINED
#define SkFP_DEFINED
#include "SkMath.h"
#ifdef SK_SCALAR_IS_FLOAT
typedef float SkFP;
#define SkScalarToFP(n) (n)
#define SkFPToScalar(n) (n)
#define SkIntToFP(n) SkIntToScalar(n)
#define SkFPRound(x) SkScalarRound(n)
#define SkFPCeil(x) SkScalarCeil(n)
#define SkFPFloor(x) SkScalarFloor(n)
#define SkFPNeg(x) (-(x))
#define SkFPAbs(x) SkScalarAbs(x)
#define SkFPAdd(a, b) ((a) + (b))
#define SkFPSub(a, b) ((a) - (b))
#define SkFPMul(a, b) ((a) * (b))
#define SkFPMulInt(a, n) ((a) * (n))
#define SkFPDiv(a, b) ((a) / (b))
#define SkFPDivInt(a, n) ((a) / (n))
#define SkFPInvert(x) SkScalarInvert(x)
#define SkFPSqrt(x) SkScalarSqrt(x)
#define SkFPCubeRoot(x) sk_float_pow(x, 0.3333333f)
#define SkFPLT(a, b) ((a) < (b))
#define SkFPLE(a, b) ((a) <= (b))
#define SkFPGT(a, b) ((a) > (b))
#define SkFPGE(a, b) ((a) >= (b))
#else // scalar is fixed
#include "SkFloat.h"
typedef int32_t SkFP;
#define SkScalarToFP(n) SkFloat::SetShift(n, -16)
#define SkFPToScalar(n) SkFloat::GetShift(n, -16)
#define SkIntToFP(n) SkFloat::SetShift(n, 0)
#define SkFPRound(x) SkFloat::Round(x);
#define SkFPCeil(x) SkFloat::Ceil();
#define SkFPFloor(x) SkFloat::Floor();
#define SkFPNeg(x) SkFloat::Neg(x)
#define SkFPAbs(x) SkFloat::Abs(x)
#define SkFPAdd(a, b) SkFloat::Add(a, b)
#define SkFPSub(a, b) SkFloat::Add(a, SkFloat::Neg(b))
#define SkFPMul(a, b) SkFloat::Mul(a, b)
#define SkFPMulInt(a, n) SkFloat::MulInt(a, n)
#define SkFPDiv(a, b) SkFloat::Div(a, b)
#define SkFPDivInt(a, n) SkFloat::DivInt(a, n)
#define SkFPInvert(x) SkFloat::Invert(x)
#define SkFPSqrt(x) SkFloat::Sqrt(x)
#define SkFPCubeRoot(x) SkFloat::CubeRoot(x)
#define SkFPLT(a, b) (SkFloat::Cmp(a, b) < 0)
#define SkFPLE(a, b) (SkFloat::Cmp(a, b) <= 0)
#define SkFPGT(a, b) (SkFloat::Cmp(a, b) > 0)
#define SkFPGE(a, b) (SkFloat::Cmp(a, b) >= 0)
#endif
#ifdef SK_DEBUG
void SkFP_UnitTest();
#endif
#endif
|
