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Side by Side Diff: include/core/SkFloatingPoint.h

Issue 1260453008: Remove SK_BUILD_FOR_WINCE. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 4 months ago
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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
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49 return (float)_copysign(x, y); 49 return (float)_copysign(x, y);
50 50
51 // Otherwise convert to bits and extract sign. 51 // Otherwise convert to bits and extract sign.
52 #else 52 #else
53 int32_t xbits = SkFloat2Bits(x); 53 int32_t xbits = SkFloat2Bits(x);
54 int32_t ybits = SkFloat2Bits(y); 54 int32_t ybits = SkFloat2Bits(y);
55 return SkBits2Float((xbits & 0x7FFFFFFF) | (ybits & 0x80000000)); 55 return SkBits2Float((xbits & 0x7FFFFFFF) | (ybits & 0x80000000));
56 #endif 56 #endif
57 } 57 }
58 58
59 #ifdef SK_BUILD_FOR_WINCE 59 #define sk_float_sqrt(x) sqrtf(x)
60 #define sk_float_sqrt(x) (float)::sqrt(x) 60 #define sk_float_sin(x) sinf(x)
61 #define sk_float_sin(x) (float)::sin(x) 61 #define sk_float_cos(x) cosf(x)
62 #define sk_float_cos(x) (float)::cos(x) 62 #define sk_float_tan(x) tanf(x)
63 #define sk_float_tan(x) (float)::tan(x) 63 #define sk_float_floor(x) floorf(x)
64 #define sk_float_acos(x) (float)::acos(x) 64 #define sk_float_ceil(x) ceilf(x)
65 #define sk_float_asin(x) (float)::asin(x) 65 #ifdef SK_BUILD_FOR_MAC
66 #define sk_float_atan2(y,x) (float)::atan2(y,x) 66 # define sk_float_acos(x) static_cast<float>(acos(x))
67 #define sk_float_abs(x) (float)::fabs(x) 67 # define sk_float_asin(x) static_cast<float>(asin(x))
68 #define sk_float_mod(x,y) (float)::fmod(x,y)
69 #define sk_float_exp(x) (float)::exp(x)
70 #define sk_float_log(x) (float)::log(x)
71 #define sk_float_floor(x) (float)::floor(x)
72 #define sk_float_ceil(x) (float)::ceil(x)
73 #else 68 #else
74 #define sk_float_sqrt(x) sqrtf(x) 69 # define sk_float_acos(x) acosf(x)
75 #define sk_float_sin(x) sinf(x) 70 # define sk_float_asin(x) asinf(x)
76 #define sk_float_cos(x) cosf(x)
77 #define sk_float_tan(x) tanf(x)
78 #define sk_float_floor(x) floorf(x)
79 #define sk_float_ceil(x) ceilf(x)
80 #ifdef SK_BUILD_FOR_MAC
81 #define sk_float_acos(x) static_cast<float>(acos(x))
82 #define sk_float_asin(x) static_cast<float>(asin(x))
83 #else
84 #define sk_float_acos(x) acosf(x)
85 #define sk_float_asin(x) asinf(x)
86 #endif 71 #endif
87 #define sk_float_atan2(y,x) atan2f(y,x) 72 #define sk_float_atan2(y,x) atan2f(y,x)
88 #define sk_float_abs(x) fabsf(x) 73 #define sk_float_abs(x) fabsf(x)
89 #define sk_float_mod(x,y) fmodf(x,y) 74 #define sk_float_mod(x,y) fmodf(x,y)
90 #define sk_float_exp(x) expf(x) 75 #define sk_float_exp(x) expf(x)
91 #define sk_float_log(x) logf(x) 76 #define sk_float_log(x) logf(x)
92 #endif
93 77
94 #define sk_float_round(x) sk_float_floor((x) + 0.5f) 78 #define sk_float_round(x) sk_float_floor((x) + 0.5f)
95 79
96 // can't find log2f on android, but maybe that just a tool bug? 80 // can't find log2f on android, but maybe that just a tool bug?
97 #ifdef SK_BUILD_FOR_ANDROID 81 #ifdef SK_BUILD_FOR_ANDROID
98 static inline float sk_float_log2(float x) { 82 static inline float sk_float_log2(float x) {
99 const double inv_ln_2 = 1.44269504088896; 83 const double inv_ln_2 = 1.44269504088896;
100 return (float)(log(x) * inv_ln_2); 84 return (float)(log(x) * inv_ln_2);
101 } 85 }
102 #else 86 #else
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171 float estimate = *SkTCast<float*>(&i); 155 float estimate = *SkTCast<float*>(&i);
172 156
173 // One step of Newton's method to refine. 157 // One step of Newton's method to refine.
174 const float estimate_sq = estimate*estimate; 158 const float estimate_sq = estimate*estimate;
175 estimate *= 0.703952253f*(2.38924456f-x*estimate_sq); 159 estimate *= 0.703952253f*(2.38924456f-x*estimate_sq);
176 return estimate; 160 return estimate;
177 #endif 161 #endif
178 } 162 }
179 163
180 #endif 164 #endif
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