/* -*- 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 <stdint.h>

#include "NamespaceImports.h"

namespace js {

struct Class;
class GlobalObject;

typedef double (*UnaryFunType)(double);

/*
 * JS math functions.
 */

extern const Class MathClass;

extern JSObject*
InitMathClass(JSContext* cx, Handle<GlobalObject*> global);

extern uint64_t
GenerateRandomSeed();

// Fill |seed[0]| and |seed[1]| with random bits, suitable for
// seeding a XorShift128+ random number generator.
extern void
GenerateXorShift128PlusSeed(mozilla::Array<uint64_t, 2>& seed);

extern double
math_random_impl(JSContext* cx);

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

extern bool
math_abs_handle(JSContext* cx, js::HandleValue v, js::MutableHandleValue r);

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

extern double
math_max_impl(double x, double y);

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

extern double
math_min_impl(double x, double y);

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

extern double
math_sqrt_impl(double x);

extern bool
math_sqrt_handle(JSContext* cx, js::HandleValue number, js::MutableHandleValue result);

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

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

extern bool
minmax_impl(JSContext* cx, bool max, js::HandleValue a, js::HandleValue b,
            js::MutableHandleValue res);

extern void
math_sincos_impl(double x, double *sin, double *cos);

extern bool
math_imul_handle(JSContext* cx, HandleValue lhs, HandleValue rhs, MutableHandleValue res);

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

extern bool
RoundFloat32(JSContext* cx, HandleValue v, float* out);

extern bool
RoundFloat32(JSContext* cx, HandleValue arg, MutableHandleValue res);

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(double x);

extern bool
math_log_handle(JSContext* cx, HandleValue val, MutableHandleValue res);

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

extern double
math_sin_impl(double x);

extern bool
math_sin_handle(JSContext* cx, HandleValue val, MutableHandleValue res);

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

extern double
math_cos_impl(double x);

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

extern double
math_exp_impl(double x);

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

extern double
math_tan_impl(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 double
hypot3(double x, double y, double z);

extern double
hypot4(double x, double y, double z, double w);

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

extern bool
math_hypot_handle(JSContext* cx, HandleValueArray args, MutableHandleValue res);

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_handle(JSContext* cx, HandleValue y, HandleValue x, MutableHandleValue res);

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

extern double
ecmaAtan2(double x, double y);

extern double
math_atan_impl(double x);

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

extern double
math_asin_impl(double x);

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

extern double
math_acos_impl(double x);

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

extern bool
math_ceil_handle(JSContext* cx, HandleValue value, MutableHandleValue res);

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

extern double
math_ceil_impl(double x);

extern bool
math_clz32(JSContext* cx, unsigned argc, Value* vp);

extern bool
math_floor_handle(JSContext* cx, HandleValue v, MutableHandleValue r);

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

extern double
math_floor_impl(double x);

template<typename T>
extern T GetBiggestNumberLessThan(T x);

extern bool
math_round_handle(JSContext* cx, HandleValue arg, MutableHandleValue res);

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, int32_t y);

extern double
ecmaPow(double x, double y);

extern double
math_log10_impl(double x);

extern double
math_log2_impl(double x);

extern double
math_log1p_impl(double x);

extern double
math_expm1_impl(double x);

extern double
math_cosh_impl(double x);

extern double
math_sinh_impl(double x);

extern double
math_tanh_impl(double x);

extern double
math_acosh_impl(double x);

extern double
math_asinh_impl(double x);

extern double
math_atanh_impl(double x);

extern double
math_trunc_impl(double x);

extern float
math_truncf_impl(float x);

extern bool
math_trunc_handle(JSContext* cx, HandleValue v, MutableHandleValue r);

extern double
math_sign_impl(double x);

extern bool
math_sign_handle(JSContext* cx, HandleValue v, MutableHandleValue r);

extern double
math_cbrt_impl(double x);

} /* namespace js */

#endif /* jsmath_h */
