jsmath.h - DXR

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jsmath.cpp

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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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360	`/* -- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 --* vim: set ts=8 sts=4 et sw=4 tw=99:* This Source Code Form is subject to the terms of the Mozilla Public* License, v. 2.0. If a copy of the MPL was not distributed with this* file, You can obtain one at http://mozilla.org/MPL/2.0/. /#ifndef jsmath_h#define jsmath_h#include "mozilla/MemoryReporting.h"#include "NamespaceImports.h"#ifndef M_PI# define M_PI 3.14159265358979323846#endif#ifndef M_E# define M_E 2.7182818284590452354#endif#ifndef M_LOG2E# define M_LOG2E 1.4426950408889634074#endif#ifndef M_LOG10E# define M_LOG10E 0.43429448190325182765#endif#ifndef M_LN2# define M_LN2 0.69314718055994530942#endif#ifndef M_LN10# define M_LN10 2.30258509299404568402#endif#ifndef M_SQRT2# define M_SQRT2 1.41421356237309504880#endif#ifndef M_SQRT1_2# define M_SQRT1_2 0.70710678118654752440#endifnamespace js {typedef double (UnaryFunType)(double);class MathCache{static const unsigned SizeLog2 = 12;static const unsigned Size = 1 << SizeLog2;struct Entry { double in; UnaryFunType f; double out; };Entry table[Size];public:MathCache();unsigned hash(double x) {union { double d; struct { uint32_t one, two; } s; } u = { x };uint32_t hash32 = u.s.one ^ u.s.two;uint16_t hash16 = uint16_t(hash32 ^ (hash32 >> 16));return (hash16 & (Size - 1)) ^ (hash16 >> (16 - SizeLog2));}/** N.B. lookup uses double-equality. This is only safe if hash() maps +0* and -0 to different table entries, which is asserted in MathCache()./double lookup(UnaryFunType f, double x) {unsigned index = hash(x);Entry& e = table[index];if (e.in == x && e.f == f)return e.out;e.in = x;e.f = f;return (e.out = f(x));}size_t sizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf);};} / namespace js //* JS math functions./extern JSObjectjs_InitMathClass(JSContext* cx, js::HandleObject obj);extern doublemath_random_no_outparam(JSContext* cx);extern booljs_math_random(JSContext* cx, unsigned argc, js::Value* vp);extern booljs_math_abs(JSContext* cx, unsigned argc, js::Value* vp);extern booljs_math_max(JSContext* cx, unsigned argc, js::Value* vp);extern booljs_math_min(JSContext* cx, unsigned argc, js::Value* vp);extern booljs_math_sqrt(JSContext* cx, unsigned argc, js::Value* vp);extern booljs_math_pow(JSContext* cx, unsigned argc, js::Value* vp);namespace js {extern boolmath_imul(JSContext* cx, unsigned argc, js::Value* vp);extern boolRoundFloat32(JSContext* cx, Handle<Value> v, float* out);extern boolmath_fround(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_log(JSContext* cx, unsigned argc, js::Value* vp);extern doublemath_log_impl(MathCache* cache, double x);extern doublemath_log_uncached(double x);extern boolmath_sin(JSContext* cx, unsigned argc, js::Value* vp);extern doublemath_sin_impl(MathCache* cache, double x);extern doublemath_sin_uncached(double x);extern boolmath_cos(JSContext* cx, unsigned argc, js::Value* vp);extern doublemath_cos_impl(MathCache* cache, double x);extern doublemath_cos_uncached(double x);extern boolmath_exp(JSContext* cx, unsigned argc, js::Value* vp);extern doublemath_exp_impl(MathCache* cache, double x);extern doublemath_exp_uncached(double x);extern boolmath_tan(JSContext* cx, unsigned argc, js::Value* vp);extern doublemath_tan_impl(MathCache* cache, double x);extern doublemath_tan_uncached(double x);extern boolmath_log10(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_log2(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_log1p(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_expm1(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_cosh(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_sinh(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_tanh(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_acosh(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_asinh(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_atanh(JSContext* cx, unsigned argc, js::Value* vp);extern doubleecmaHypot(double x, double y);extern boolmath_hypot(JSContext* cx, unsigned argc, Value* vp);extern boolmath_trunc(JSContext* cx, unsigned argc, Value* vp);extern boolmath_sign(JSContext* cx, unsigned argc, Value* vp);extern boolmath_cbrt(JSContext* cx, unsigned argc, Value* vp);extern boolmath_asin(JSContext* cx, unsigned argc, Value* vp);extern boolmath_acos(JSContext* cx, unsigned argc, Value* vp);extern boolmath_atan(JSContext* cx, unsigned argc, Value* vp);extern boolmath_atan2(JSContext* cx, unsigned argc, Value* vp);extern doubleecmaAtan2(double x, double y);extern doublemath_atan_impl(MathCache* cache, double x);extern doublemath_atan_uncached(double x);extern boolmath_atan(JSContext* cx, unsigned argc, js::Value* vp);extern doublemath_asin_impl(MathCache* cache, double x);extern doublemath_asin_uncached(double x);extern boolmath_asin(JSContext* cx, unsigned argc, js::Value* vp);extern doublemath_acos_impl(MathCache* cache, double x);extern doublemath_acos_uncached(double x);extern boolmath_acos(JSContext* cx, unsigned argc, js::Value* vp);extern boolmath_ceil(JSContext* cx, unsigned argc, Value* vp);extern doublemath_ceil_impl(double x);extern boolmath_floor(JSContext* cx, unsigned argc, Value* vp);extern doublemath_floor_impl(double x);extern boolmath_round(JSContext* cx, unsigned argc, Value* vp);extern doublemath_round_impl(double x);extern floatmath_roundf_impl(float x);extern doublepowi(double x, int y);extern doubleecmaPow(double x, double y);extern boolmath_imul(JSContext* cx, unsigned argc, Value* vp);extern doublemath_log10_impl(MathCache* cache, double x);extern doublemath_log10_uncached(double x);extern doublemath_log2_impl(MathCache* cache, double x);extern doublemath_log2_uncached(double x);extern doublemath_log1p_impl(MathCache* cache, double x);extern doublemath_log1p_uncached(double x);extern doublemath_expm1_impl(MathCache* cache, double x);extern doublemath_expm1_uncached(double x);extern doublemath_cosh_impl(MathCache* cache, double x);extern doublemath_cosh_uncached(double x);extern doublemath_sinh_impl(MathCache* cache, double x);extern doublemath_sinh_uncached(double x);extern doublemath_tanh_impl(MathCache* cache, double x);extern doublemath_tanh_uncached(double x);extern doublemath_acosh_impl(MathCache* cache, double x);extern doublemath_acosh_uncached(double x);extern doublemath_asinh_impl(MathCache* cache, double x);extern doublemath_asinh_uncached(double x);extern doublemath_atanh_impl(MathCache* cache, double x);extern doublemath_atanh_uncached(double x);extern doublemath_trunc_impl(MathCache* cache, double x);extern doublemath_trunc_uncached(double x);extern doublemath_sign_impl(MathCache* cache, double x);extern doublemath_sign_uncached(double x);extern doublemath_cbrt_impl(MathCache* cache, double x);extern doublemath_cbrt_uncached(double x);} /* namespace js /#endif / jsmath_h */`

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef jsmath_h
#define jsmath_h

#include "mozilla/MemoryReporting.h"

#include "NamespaceImports.h"

#ifndef M_PI
# define M_PI            3.14159265358979323846
#endif
#ifndef M_E
# define M_E             2.7182818284590452354
#endif
#ifndef M_LOG2E
# define M_LOG2E         1.4426950408889634074
#endif
#ifndef M_LOG10E
# define M_LOG10E        0.43429448190325182765
#endif
#ifndef M_LN2
# define M_LN2           0.69314718055994530942
#endif
#ifndef M_LN10
# define M_LN10          2.30258509299404568402
#endif
#ifndef M_SQRT2
# define M_SQRT2         1.41421356237309504880
#endif
#ifndef M_SQRT1_2
# define M_SQRT1_2       0.70710678118654752440
#endif

namespace js {

typedef double (*UnaryFunType)(double);

class MathCache
{
    static const unsigned SizeLog2 = 12;
    static const unsigned Size = 1 << SizeLog2;
    struct Entry { double in; UnaryFunType f; double out; };
    Entry table[Size];

  public:
    MathCache();

    unsigned hash(double x) {
        union { double d; struct { uint32_t one, two; } s; } u = { x };
        uint32_t hash32 = u.s.one ^ u.s.two;
        uint16_t hash16 = uint16_t(hash32 ^ (hash32 >> 16));
        return (hash16 & (Size - 1)) ^ (hash16 >> (16 - SizeLog2));
    }

    /*
     * N.B. lookup uses double-equality. This is only safe if hash() maps +0
     * and -0 to different table entries, which is asserted in MathCache().
     */
    double lookup(UnaryFunType f, double x) {
        unsigned index = hash(x);
        Entry& e = table[index];
        if (e.in == x && e.f == f)
            return e.out;
        e.in = x;
        e.f = f;
        return (e.out = f(x));
    }

    size_t sizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf);
};

} /* namespace js */

/*
 * JS math functions.
 */

extern JSObject*
js_InitMathClass(JSContext* cx, js::HandleObject obj);

extern double
math_random_no_outparam(JSContext* cx);

extern bool
js_math_random(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
js_math_abs(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
js_math_max(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
js_math_min(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
js_math_sqrt(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
js_math_pow(JSContext* cx, unsigned argc, js::Value* vp);

namespace js {

extern bool
math_imul(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
RoundFloat32(JSContext* cx, Handle<Value> v, float* out);

extern bool
math_fround(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_log(JSContext* cx, unsigned argc, js::Value* vp);

extern double
math_log_impl(MathCache* cache, double x);

extern double
math_log_uncached(double x);

extern bool
math_sin(JSContext* cx, unsigned argc, js::Value* vp);

extern double
math_sin_impl(MathCache* cache, double x);

extern double
math_sin_uncached(double x);

extern bool
math_cos(JSContext* cx, unsigned argc, js::Value* vp);

extern double
math_cos_impl(MathCache* cache, double x);

extern double
math_cos_uncached(double x);

extern bool
math_exp(JSContext* cx, unsigned argc, js::Value* vp);

extern double
math_exp_impl(MathCache* cache, double x);

extern double
math_exp_uncached(double x);

extern bool
math_tan(JSContext* cx, unsigned argc, js::Value* vp);

extern double
math_tan_impl(MathCache* cache, double x);

extern double
math_tan_uncached(double x);

extern bool
math_log10(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_log2(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_log1p(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_expm1(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_cosh(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_sinh(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_tanh(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_acosh(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_asinh(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_atanh(JSContext* cx, unsigned argc, js::Value* vp);

extern double
ecmaHypot(double x, double y);

extern bool
math_hypot(JSContext* cx, unsigned argc, Value* vp);

extern bool
math_trunc(JSContext* cx, unsigned argc, Value* vp);

extern bool
math_sign(JSContext* cx, unsigned argc, Value* vp);

extern bool
math_cbrt(JSContext* cx, unsigned argc, Value* vp);

extern bool
math_asin(JSContext* cx, unsigned argc, Value* vp);

extern bool
math_acos(JSContext* cx, unsigned argc, Value* vp);

extern bool
math_atan(JSContext* cx, unsigned argc, Value* vp);

extern bool
math_atan2(JSContext* cx, unsigned argc, Value* vp);

extern double
ecmaAtan2(double x, double y);

extern double
math_atan_impl(MathCache* cache, double x);

extern double
math_atan_uncached(double x);

extern bool
math_atan(JSContext* cx, unsigned argc, js::Value* vp);

extern double
math_asin_impl(MathCache* cache, double x);

extern double
math_asin_uncached(double x);

extern bool
math_asin(JSContext* cx, unsigned argc, js::Value* vp);

extern double
math_acos_impl(MathCache* cache, double x);

extern double
math_acos_uncached(double x);

extern bool
math_acos(JSContext* cx, unsigned argc, js::Value* vp);

extern bool
math_ceil(JSContext* cx, unsigned argc, Value* vp);

extern double
math_ceil_impl(double x);

extern bool
math_floor(JSContext* cx, unsigned argc, Value* vp);

extern double
math_floor_impl(double x);

extern bool
math_round(JSContext* cx, unsigned argc, Value* vp);

extern double
math_round_impl(double x);

extern float
math_roundf_impl(float x);

extern double
powi(double x, int y);

extern double
ecmaPow(double x, double y);

extern bool
math_imul(JSContext* cx, unsigned argc, Value* vp);

extern double
math_log10_impl(MathCache* cache, double x);

extern double
math_log10_uncached(double x);

extern double
math_log2_impl(MathCache* cache, double x);

extern double
math_log2_uncached(double x);

extern double
math_log1p_impl(MathCache* cache, double x);

extern double
math_log1p_uncached(double x);

extern double
math_expm1_impl(MathCache* cache, double x);

extern double
math_expm1_uncached(double x);

extern double
math_cosh_impl(MathCache* cache, double x);

extern double
math_cosh_uncached(double x);

extern double
math_sinh_impl(MathCache* cache, double x);

extern double
math_sinh_uncached(double x);

extern double
math_tanh_impl(MathCache* cache, double x);

extern double
math_tanh_uncached(double x);

extern double
math_acosh_impl(MathCache* cache, double x);

extern double
math_acosh_uncached(double x);

extern double
math_asinh_impl(MathCache* cache, double x);

extern double
math_asinh_uncached(double x);

extern double
math_atanh_impl(MathCache* cache, double x);

extern double
math_atanh_uncached(double x);

extern double
math_trunc_impl(MathCache* cache, double x);

extern double
math_trunc_uncached(double x);

extern double
math_sign_impl(MathCache* cache, double x);

extern double
math_sign_uncached(double x);

extern double
math_cbrt_impl(MathCache* cache, double x);

extern double
math_cbrt_uncached(double x);

} /* namespace js */

#endif /* jsmath_h */

ext		Filename extension: `ext:cpp`. Always case-sensitive.
file		File to search within. `*`, `?`, and `[...]` act as shell wildcards.
id		Definition of an identifier: `id:SomeClass` `id:@foofunction` (@ forces case-sensitive search, otherwise case-sensitive if not all lowercase)
path		File or directory sub-path to search within. `*`, `?`, and `[...]` act as shell wildcards.
ref		Reference to an identifier: `ref:someVar` `ref:someType`
regexp		Regular expression. Examples: `regexp:(?i)\bs?printf` `regexp:"(three\|3) mice"`
bases	cpyrust	Superclasses of a class: `bases:SomeSubclass`
callers	cpyrust	Calls to the given function: `callers:some_function`
derived	cpyrust	Subclasses of a class: `derived:SomeSuperclass`
extern-ref	rust	References to items in external crate
fn-impls	rust	Function implementations
function	cpyrust	Function or method definition: `function:foo`
function-decl	c	Function or method declaration
function-ref	crust	Function or method references
impl	rust	Implementations
macro	c	Macro definition
macro-ref	c	Macro uses
member	c	Member variables, types, or methods of a class: `member:SomeClass`
module	pyrust	Module definition: `module:module.name`
module-alias-ref	rust	Module alias references
module-ref	rust	Module references
module-use	rust	Module imports
namespace	c	Namespace definition
namespace-alias	c	Namespace alias
namespace-alias-ref	c	Namespace alias references
namespace-ref	c	Namespace references
overridden	cpy	Methods which are overridden by the given one. Useful mostly with fully qualified methods, like `+overridden:foo.bar.some_method`.
overrides	cpy	Methods which override the given one: `overrides:some_method`
prop	js	JavaScript property definition filter: `prop:foo`
prop-ref	js	References to JavaScript object properties
type	cpyrust	Class definition: `type:Stack`
type-decl	c	Type or class declaration
type-ref	crust	Type or class references, uses, or instantiations
var	cjsrust	Variable definition
var-decl	c	Variable declaration
var-ref	cjsrust	Variable uses (lvalue, rvalue, dereference, etc.)
warning	c	Compiler warning messages
warning-opt	c	Warning messages brought on by a given compiler command-line option

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comm-central	pycjsrust
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comm-esr24	pycjsrust
comm-esr31	pycjsrust
comm-esr38	pycjsrust
comm-esr45	pycjsrust
comm-esr52	pycjsrust
comm-esr60	pycjsrust
comm-release	pycjsrust
firefox	pycjsrust
firefox2	pycjsrust
fuel	pycjsrust
gaia	pycjsrust
hgcustom_version-control-tools	pycjsrust
incubator-central	js
js	pycjsrust
jss	pycjsrust
l10n-central	pycjsrust
l10n-mozilla-aurora	pycjsrust
l10n-mozilla-beta	pycjsrust
l10n-mozilla-release	pycjsrust
labs-central	js
mobile-browser	pycjsrust
mozilla	pycjsrust
mozilla-aurora	pycjsxpidlrust
mozilla-b2g18	pycjsrust
mozilla-b2g26_v1_2	pycjsrust
mozilla-b2g28_v1_3	pycjsrust
mozilla-b2g30_v1_4	pycjsrust