OLD | NEW |
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 |
(...skipping 98 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
109 #ifdef SK_USE_FLOATBITS | 109 #ifdef SK_USE_FLOATBITS |
110 #define sk_float_floor2int(x) SkFloatToIntFloor(x) | 110 #define sk_float_floor2int(x) SkFloatToIntFloor(x) |
111 #define sk_float_round2int(x) SkFloatToIntRound(x) | 111 #define sk_float_round2int(x) SkFloatToIntRound(x) |
112 #define sk_float_ceil2int(x) SkFloatToIntCeil(x) | 112 #define sk_float_ceil2int(x) SkFloatToIntCeil(x) |
113 #else | 113 #else |
114 #define sk_float_floor2int(x) (int)sk_float_floor(x) | 114 #define sk_float_floor2int(x) (int)sk_float_floor(x) |
115 #define sk_float_round2int(x) (int)sk_float_floor((x) + 0.5f) | 115 #define sk_float_round2int(x) (int)sk_float_floor((x) + 0.5f) |
116 #define sk_float_ceil2int(x) (int)sk_float_ceil(x) | 116 #define sk_float_ceil2int(x) (int)sk_float_ceil(x) |
117 #endif | 117 #endif |
118 | 118 |
| 119 #define sk_double_floor(x) floor(x) |
| 120 #define sk_double_round(x) floor((x) + 0.5) |
| 121 #define sk_double_ceil(x) ceil(x) |
| 122 #define sk_double_floor2int(x) (int)floor(x) |
| 123 #define sk_double_round2int(x) (int)floor((x) + 0.5f) |
| 124 #define sk_double_ceil2int(x) (int)ceil(x) |
| 125 |
119 extern const uint32_t gIEEENotANumber; | 126 extern const uint32_t gIEEENotANumber; |
120 extern const uint32_t gIEEEInfinity; | 127 extern const uint32_t gIEEEInfinity; |
121 extern const uint32_t gIEEENegativeInfinity; | 128 extern const uint32_t gIEEENegativeInfinity; |
122 | 129 |
123 #define SK_FloatNaN (*SkTCast<const float*>(&gIEEENotANumber)) | 130 #define SK_FloatNaN (*SkTCast<const float*>(&gIEEENotANumber)) |
124 #define SK_FloatInfinity (*SkTCast<const float*>(&gIEEEInfinity)) | 131 #define SK_FloatInfinity (*SkTCast<const float*>(&gIEEEInfinity)) |
125 #define SK_FloatNegativeInfinity (*SkTCast<const float*>(&gIEEENegativeInfini
ty)) | 132 #define SK_FloatNegativeInfinity (*SkTCast<const float*>(&gIEEENegativeInfini
ty)) |
126 | 133 |
127 #if defined(__SSE__) | 134 #if defined(__SSE__) |
128 #include <xmmintrin.h> | 135 #include <xmmintrin.h> |
(...skipping 29 matching lines...) Expand all Loading... |
158 float estimate = *SkTCast<float*>(&i); | 165 float estimate = *SkTCast<float*>(&i); |
159 | 166 |
160 // One step of Newton's method to refine. | 167 // One step of Newton's method to refine. |
161 const float estimate_sq = estimate*estimate; | 168 const float estimate_sq = estimate*estimate; |
162 estimate *= (1.5f-0.5f*x*estimate_sq); | 169 estimate *= (1.5f-0.5f*x*estimate_sq); |
163 return estimate; | 170 return estimate; |
164 #endif | 171 #endif |
165 } | 172 } |
166 | 173 |
167 #endif | 174 #endif |
OLD | NEW |