code stringlengths 1 1.05M | repo_name stringlengths 6 83 | path stringlengths 3 242 | language stringclasses 222
values | license stringclasses 20
values | size int64 1 1.05M |
|---|---|---|---|---|---|
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* i... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/math.c | C | apache-2.0 | 22,451 |
// adapted from the rintf() function from musl-1.1.16
#include "libm.h"
float nearbyintf(float x)
{
union {float f; uint32_t i;} u = {x};
int e = u.i>>23 & 0xff;
int s = u.i>>31;
float_t y;
if (e >= 0x7f+23)
return x;
if (s)
y = x - 0x1p23f + 0x1p23f;
else
y = x + 0x1p23f - 0x1p23f;
if (y == 0)
retur... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/nearbyintf.c | C | apache-2.0 | 353 |
/*****************************************************************************/
/*****************************************************************************/
// roundf from musl-0.9.15
/*****************************************************************************/
/****************************************************... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/roundf.c | C | apache-2.0 | 762 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/math
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* sf_cos.c -- float version ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/sf_cos.c | C | apache-2.0 | 1,611 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/math
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* sf_erf.c -- float version ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/sf_erf.c | C | apache-2.0 | 7,546 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/math
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* sf_frexp.c -- float versio... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/sf_frexp.c | C | apache-2.0 | 1,649 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/math
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* sf_ldexp.c -- float versio... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/sf_ldexp.c | C | apache-2.0 | 1,328 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/common
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* sf_modf.c -- float versi... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/sf_modf.c | C | apache-2.0 | 1,963 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/math
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* sf_sin.c -- float version ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/sf_sin.c | C | apache-2.0 | 1,606 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/math
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* sf_tan.c -- float version ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/sf_tan.c | C | apache-2.0 | 1,503 |
// an implementation of sqrtf for Thumb using hardware VFP instructions
#include <math.h>
float sqrtf(float x) {
asm volatile (
"vsqrt.f32 %[r], %[x]\n"
: [r] "=t" (x)
: [x] "t" (x));
return x;
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/thumb_vfp_sqrtf.c | C | apache-2.0 | 244 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/math
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* wf_lgamma.c -- float versi... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/wf_lgamma.c | C | apache-2.0 | 2,302 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* These math functions are taken from newlib-nano-2, the newlib/libm/math
* directory, available from https://github.com/32bitmicro/newlib-nano-2.
*
* Appropriate copyright headers are reproduced below.
*/
/* w_gammaf.c -- float versio... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm/wf_tgamma.c | C | apache-2.0 | 1,727 |
/* origin: FreeBSD /usr/src/lib/msun/src/k_cos.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/__cos.c | C | apache-2.0 | 2,884 |
#include "libm.h"
/* k is such that k*ln2 has minimal relative error and x - kln2 > log(DBL_MIN) */
static const int k = 2043;
static const double kln2 = 0x1.62066151add8bp+10;
/* exp(x)/2 for x >= log(DBL_MAX), slightly better than 0.5*exp(x/2)*exp(x/2) */
double __expo2(double x)
{
double scale;
/* note that k i... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/__expo2.c | C | apache-2.0 | 485 |
#include <math.h>
#include <stdint.h>
int __fpclassifyd(double x)
{
union {double f; uint64_t i;} u = {x};
int e = u.i>>52 & 0x7ff;
if (!e) return u.i<<1 ? FP_SUBNORMAL : FP_ZERO;
if (e==0x7ff) return u.i<<12 ? FP_NAN : FP_INFINITE;
return FP_NORMAL;
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/__fpclassify.c | C | apache-2.0 | 259 |
/* origin: FreeBSD /usr/src/lib/msun/src/e_rem_pio2.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is f... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/__rem_pio2.c | C | apache-2.0 | 4,474 |
/* origin: FreeBSD /usr/src/lib/msun/src/k_rem_pio2.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is f... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/__rem_pio2_large.c | C | apache-2.0 | 16,408 |
#include "libm.h"
int __signbitd(double x)
{
union {
double d;
uint64_t i;
} y = { x };
return y.i>>63;
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/__signbit.c | C | apache-2.0 | 116 |
/* origin: FreeBSD /usr/src/lib/msun/src/k_sin.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/__sin.c | C | apache-2.0 | 2,364 |
/* origin: FreeBSD /usr/src/lib/msun/src/k_tan.c */
/*
* ====================================================
* Copyright 2004 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ==========... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/__tan.c | C | apache-2.0 | 3,963 |
/* origin: FreeBSD /usr/src/lib/msun/src/e_acos.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freel... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/acos.c | C | apache-2.0 | 2,933 |
#include "libm.h"
#if FLT_EVAL_METHOD==2
#undef sqrt
#define sqrt sqrtl
#endif
/* acosh(x) = log(x + sqrt(x*x-1)) */
double acosh(double x)
{
union {double f; uint64_t i;} u = {.f = x};
unsigned e = u.i >> 52 & 0x7ff;
/* x < 1 domain error is handled in the called functions */
if (e < 0x3ff + 1)
/* |x| < 2, u... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/acosh.c | C | apache-2.0 | 569 |
/* origin: FreeBSD /usr/src/lib/msun/src/e_asin.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freel... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/asin.c | C | apache-2.0 | 3,404 |
#include "libm.h"
/* asinh(x) = sign(x)*log(|x|+sqrt(x*x+1)) ~= x - x^3/6 + o(x^5) */
double asinh(double x)
{
union {double f; uint64_t i;} u = {.f = x};
unsigned e = u.i >> 52 & 0x7ff;
unsigned s = u.i >> 63;
/* |x| */
u.i &= (uint64_t)-1/2;
x = u.f;
if (e >= 0x3ff + 26) {
/* |x| >= 0x1p26 or inf or nan *... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/asinh.c | C | apache-2.0 | 697 |
/* origin: FreeBSD /usr/src/lib/msun/src/s_atan.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/atan.c | C | apache-2.0 | 3,934 |
/* origin: FreeBSD /usr/src/lib/msun/src/e_atan2.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is free... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/atan2.c | C | apache-2.0 | 3,285 |
#include "libm.h"
/* atanh(x) = log((1+x)/(1-x))/2 = log1p(2x/(1-x))/2 ~= x + x^3/3 + o(x^5) */
double atanh(double x)
{
union {double f; uint64_t i;} u = {.f = x};
unsigned e = u.i >> 52 & 0x7ff;
unsigned s = u.i >> 63;
double_t y;
/* |x| */
u.i &= (uint64_t)-1/2;
y = u.f;
if (e < 0x3ff - 1) {
if (e < 0x3... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/atanh.c | C | apache-2.0 | 577 |
#include "libm.h"
#if FLT_EVAL_METHOD==0 || FLT_EVAL_METHOD==1
#define EPS DBL_EPSILON
#elif FLT_EVAL_METHOD==2
#define EPS LDBL_EPSILON
#endif
static const double_t toint = 1/EPS;
double ceil(double x)
{
union {double f; uint64_t i;} u = {x};
int e = u.i >> 52 & 0x7ff;
double_t y;
if (e >= 0x3ff+52 || x == 0)
... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/ceil.c | C | apache-2.0 | 654 |
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* i... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/copysign.c | C | apache-2.0 | 1,566 |
/* origin: FreeBSD /usr/src/lib/msun/src/s_cos.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/cos.c | C | apache-2.0 | 2,111 |
#include "libm.h"
/* cosh(x) = (exp(x) + 1/exp(x))/2
* = 1 + 0.5*(exp(x)-1)*(exp(x)-1)/exp(x)
* = 1 + x*x/2 + o(x^4)
*/
double cosh(double x)
{
union {double f; uint64_t i;} u = {.f = x};
uint32_t w;
double t;
/* |x| */
u.i &= (uint64_t)-1/2;
x = u.f;
w = u.i >> 32;
/* |x| < log(2) */
if ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/cosh.c | C | apache-2.0 | 764 |
/* origin: FreeBSD /usr/src/lib/msun/src/s_erf.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/erf.c | C | apache-2.0 | 10,346 |
/* origin: FreeBSD /usr/src/lib/msun/src/e_exp.c */
/*
* ====================================================
* Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
*
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/exp.c | C | apache-2.0 | 4,118 |
/* origin: FreeBSD /usr/src/lib/msun/src/s_expm1.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freel... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/expm1.c | C | apache-2.0 | 6,964 |
#include "libm.h"
#if FLT_EVAL_METHOD==0 || FLT_EVAL_METHOD==1
#define EPS DBL_EPSILON
#elif FLT_EVAL_METHOD==2
#define EPS LDBL_EPSILON
#endif
static const double_t toint = 1/EPS;
double floor(double x)
{
union {double f; uint64_t i;} u = {x};
int e = u.i >> 52 & 0x7ff;
double_t y;
if (e >= 0x3ff+52 || x == 0)
... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/floor.c | C | apache-2.0 | 653 |
#include <math.h>
#include <stdint.h>
double fmod(double x, double y)
{
union {double f; uint64_t i;} ux = {x}, uy = {y};
int ex = ux.i>>52 & 0x7ff;
int ey = uy.i>>52 & 0x7ff;
int sx = ux.i>>63;
uint64_t i;
/* in the followings uxi should be ux.i, but then gcc wrongly adds */
/* float load/store to inner loops... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/fmod.c | C | apache-2.0 | 1,270 |
#include <math.h>
#include <stdint.h>
double frexp(double x, int *e)
{
union { double d; uint64_t i; } y = { x };
int ee = y.i>>52 & 0x7ff;
if (!ee) {
if (x) {
x = frexp(x*0x1p64, e);
*e -= 64;
} else *e = 0;
return x;
} else if (ee == 0x7ff) {
return x;
}
*e = ee - 0x3fe;
y.i &= 0x800ffffffffff... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/frexp.c | C | apache-2.0 | 374 |
#include <math.h>
double ldexp(double x, int n)
{
return scalbn(x, n);
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/ldexp.c | C | apache-2.0 | 75 |
#include <math.h>
double __lgamma_r(double, int*);
double lgamma(double x) {
int sign;
return __lgamma_r(x, &sign);
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/lgamma.c | C | apache-2.0 | 128 |
// Portions of this file are extracted from musl-1.1.16 src/internal/libm.h
/* origin: FreeBSD /usr/src/lib/msun/src/math_private.h */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. busi... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/libm.h | C | apache-2.0 | 3,699 |
/* origin: FreeBSD /usr/src/lib/msun/src/e_log.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/log.c | C | apache-2.0 | 4,026 |
#include <math.h>
static const double _M_LN10 = 2.302585092994046;
double log10(double x) {
return log(x) / (double)_M_LN10;
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/log10.c | C | apache-2.0 | 133 |
/* origin: FreeBSD /usr/src/lib/msun/src/s_log1p.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freel... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/log1p.c | C | apache-2.0 | 3,865 |
#include "libm.h"
double modf(double x, double *iptr)
{
union {double f; uint64_t i;} u = {x};
uint64_t mask;
int e = (int)(u.i>>52 & 0x7ff) - 0x3ff;
/* no fractional part */
if (e >= 52) {
*iptr = x;
if (e == 0x400 && u.i<<12 != 0) /* nan */
return x;
u.i &= 1ULL<<63;
return u.f;
}
/* no integral ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/modf.c | C | apache-2.0 | 536 |
#include <math.h>
/* nearbyint is the same as rint, but it must not raise the inexact exception */
double nearbyint(double x)
{
#ifdef FE_INEXACT
#pragma STDC FENV_ACCESS ON
int e;
e = fetestexcept(FE_INEXACT);
#endif
x = rint(x);
#ifdef FE_INEXACT
if (!e)
feclearexcept(FE_INEXACT);
#endif
return x;
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/nearbyint.c | C | apache-2.0 | 314 |
/* origin: FreeBSD /usr/src/lib/msun/src/e_pow.c */
/*
* ====================================================
* Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
*
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/pow.c | C | apache-2.0 | 10,383 |
#include <float.h>
#include <math.h>
#include <stdint.h>
#if FLT_EVAL_METHOD==0 || FLT_EVAL_METHOD==1
#define EPS DBL_EPSILON
#elif FLT_EVAL_METHOD==2
#define EPS LDBL_EPSILON
#endif
static const double_t toint = 1/EPS;
double rint(double x)
{
union {double f; uint64_t i;} u = {x};
int e = u.i>>52 & 0x7ff;
int s =... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/rint.c | C | apache-2.0 | 489 |
#include "libm.h"
#if FLT_EVAL_METHOD==0 || FLT_EVAL_METHOD==1
#define EPS DBL_EPSILON
#elif FLT_EVAL_METHOD==2
#define EPS LDBL_EPSILON
#endif
static const double_t toint = 1/EPS;
double round(double x)
{
union {double f; uint64_t i;} u = {x};
int e = u.i >> 52 & 0x7ff;
double_t y;
if (e >= 0x3ff+52)
return x... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/round.c | C | apache-2.0 | 597 |
#include <math.h>
#include <stdint.h>
double scalbn(double x, int n)
{
union {double f; uint64_t i;} u;
double_t y = x;
if (n > 1023) {
y *= 0x1p1023;
n -= 1023;
if (n > 1023) {
y *= 0x1p1023;
n -= 1023;
if (n > 1023)
n = 1023;
}
} else if (n < -1022) {
/* make sure final n < -53 to avoid d... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/scalbn.c | C | apache-2.0 | 576 |
/* origin: FreeBSD /usr/src/lib/msun/src/s_sin.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/sin.c | C | apache-2.0 | 2,192 |
#include "libm.h"
/* sinh(x) = (exp(x) - 1/exp(x))/2
* = (exp(x)-1 + (exp(x)-1)/exp(x))/2
* = x + x^3/6 + o(x^5)
*/
double sinh(double x)
{
union {double f; uint64_t i;} u = {.f = x};
uint32_t w;
double t, h, absx;
h = 0.5;
if (u.i >> 63)
h = -h;
/* |x| */
u.i &= (uint64_t)-1/2;
absx = u.... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/sinh.c | C | apache-2.0 | 837 |
/* origin: FreeBSD /usr/src/lib/msun/src/e_sqrt.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freel... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/sqrt.c | C | apache-2.0 | 5,425 |
/* origin: FreeBSD /usr/src/lib/msun/src/s_tan.c */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/tan.c | C | apache-2.0 | 1,965 |
#include <math.h>
double tanh(double x) {
int sign = 0;
if (x < 0) {
sign = 1;
x = -x;
}
x = expm1(-2 * x);
x = x / (x + 2);
return sign ? x : -x;
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/tanh.c | C | apache-2.0 | 190 |
/*
"A Precision Approximation of the Gamma Function" - Cornelius Lanczos (1964)
"Lanczos Implementation of the Gamma Function" - Paul Godfrey (2001)
"An Analysis of the Lanczos Gamma Approximation" - Glendon Ralph Pugh (2004)
approximation method:
(x - 0.5) S(x)
Gamma(x) = (x + g - 0.5... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/tgamma.c | C | apache-2.0 | 5,466 |
// an implementation of sqrt for Thumb using hardware double-precision VFP instructions
double sqrt(double x) {
double ret;
asm volatile (
"vsqrt.f64 %P0, %P1\n"
: "=w" (ret)
: "w" (x));
return ret;
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/thumb_vfp_sqrt.c | C | apache-2.0 | 252 |
#include "libm.h"
double trunc(double x)
{
union {double f; uint64_t i;} u = {x};
int e = (int)(u.i >> 52 & 0x7ff) - 0x3ff + 12;
uint64_t m;
if (e >= 52 + 12)
return x;
if (e < 12)
e = 1;
m = -1ULL >> e;
if ((u.i & m) == 0)
return x;
FORCE_EVAL(x + 0x1p120f);
u.i &= ~m;
return u.f;
}
| YifuLiu/AliOS-Things | components/py_engine/engine/lib/libm_dbl/trunc.c | C | apache-2.0 | 303 |
/*
* The little filesystem
*
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "lfs1.h"
#include "lfs1_util.h"
#include <inttypes.h>
/// Caching block device operations ///
static int lfs1_cache_read(lfs1_t *lfs1, lfs1_cache_t *rcache,
const lfs1... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/littlefs/lfs1.c | C | apache-2.0 | 71,973 |
/*
* The little filesystem
*
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef LFS1_H
#define LFS1_H
#include <stdint.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C"
{
#endif
/// Version info ///
// Software library version
// Major (top-nibble), ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/littlefs/lfs1.h | C | apache-2.0 | 15,814 |
/*
* lfs1 util functions
*
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "lfs1_util.h"
// Only compile if user does not provide custom config
#ifndef LFS1_CONFIG
// Software CRC implementation with small lookup table
void lfs1_crc(uint32_t *restrict ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/littlefs/lfs1_util.c | C | apache-2.0 | 861 |
/*
* lfs1 utility functions
*
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef LFS1_UTIL_H
#define LFS1_UTIL_H
// Users can override lfs1_util.h with their own configuration by defining
// LFS1_CONFIG as a header file to include (-DLFS1_CONFIG=lfs1_config.... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/littlefs/lfs1_util.h | C | apache-2.0 | 5,082 |
/*
* The little filesystem
*
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "lfs2.h"
#include "lfs2_util.h"
#define LFS2_BLOCK_NULL ((lfs2_block_t)-1)
#define LFS2_BLOCK_INLINE ((lfs2_block_t)-2)
/// Caching block device operations ///
static inline vo... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/littlefs/lfs2.c | C | apache-2.0 | 163,048 |
/*
* The little filesystem
*
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef LFS2_H
#define LFS2_H
#include <stdint.h>
#include <stdbool.h>
#include "lfs2_util.h"
#ifdef __cplusplus
extern "C"
{
#endif
/// Version info ///
// Software library version
... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/littlefs/lfs2.h | C | apache-2.0 | 23,145 |
/*
* lfs2 util functions
*
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "lfs2_util.h"
// Only compile if user does not provide custom config
#ifndef LFS2_CONFIG
// Software CRC implementation with small lookup table
uint32_t lfs2_crc(uint32_t crc, c... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/littlefs/lfs2_util.c | C | apache-2.0 | 866 |
/*
* lfs2 utility functions
*
* Copyright (c) 2017, Arm Limited. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef LFS2_UTIL_H
#define LFS2_UTIL_H
// Users can override lfs2_util.h with their own configuration by defining
// LFS2_CONFIG as a header file to include (-DLFS2_CONFIG=lfs2_config.... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/littlefs/lfs2_util.h | C | apache-2.0 | 7,182 |
# This file is to be given as "make USER_C_MODULES=..." when building Micropython port
include(${CMAKE_CURRENT_LIST_DIR}/mkrules.cmake)
# lvgl bindings depend on lvgl itself, pull it in
include(${LVGL_DIR}/CMakeLists.txt)
# lvgl bindings target (the mpy module)
add_library(usermod_lv_bindings INTERFACE)
target_sourc... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/bindings.cmake | CMake | apache-2.0 | 805 |
/**
* @file monitor.c
*
*/
/*********************
* INCLUDES
*********************/
#include "SDL_monitor.h"
#if USE_MONITOR
#ifndef MONITOR_SDL_INCLUDE_PATH
#define MONITOR_SDL_INCLUDE_PATH <SDL2/SDL.h>
#endif
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include MONITOR_SDL_INCLUDE_PATH
#... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/SDL/SDL_monitor.c | C | apache-2.0 | 5,930 |
/**
* @file monitor.h
*
*/
#ifndef MONITOR_H
#define MONITOR_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#ifdef LV_CONF_INCLUDE_SIMPLE
#include "lv_drv_conf.h"
#else
#include "lv_drv_conf.h"
#endif
#if USE_MONITOR
#include "lvgl/src/misc/lv_color.... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/SDL/SDL_monitor.h | C | apache-2.0 | 899 |
/**
* @file mouse.c
*
*/
/*********************
* INCLUDES
*********************/
#include "SDL_mouse.h"
#if USE_MOUSE != 0
/*********************
* DEFINES
*********************/
#ifndef MONITOR_ZOOM
#define MONITOR_ZOOM 1
#endif
/**********************
* TYPEDEFS
**********************/
... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/SDL/SDL_mouse.c | C | apache-2.0 | 2,661 |
/**
* @file mouse.h
*
*/
#ifndef MOUSE_H
#define MOUSE_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#ifdef LV_CONF_INCLUDE_SIMPLE
#include "lv_drv_conf.h"
#else
#include "lv_drv_conf.h"
#endif
#if USE_MOUSE
#include <stdint.h>
#include <stdbool.h>
#incl... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/SDL/SDL_mouse.h | C | apache-2.0 | 1,266 |
/**
* @file lv_drv_conf.h
*
*/
#ifndef LV_DRV_CONF_H
#define LV_DRV_CONF_H
/*
* COPY THIS FILE AS lv_drv_conf.h
*/
#if 1 /*Set it to "1" to enable the content*/
#include "../../lib/lv_bindings/lvgl/lvgl.h"
/*********************
* DELAY INTERFACE
*********************/
#define LV_DRV_DELAY_INCLUDE <stdint.h... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/SDL/lv_drv_conf.h | C | apache-2.0 | 8,173 |
#include "../include/common.h"
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif
#include <errno.h>
#include <signal.h>
#include <pthread.h>
#include "SDL_monitor.h"
#include "SDL_mouse.h"
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#endif
/* Defines the LittlevGL tick rate in milliseconds. */
/* Increa... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/SDL/modSDL.c | C | apache-2.0 | 4,736 |
#include "../include/common.h"
#include "py/obj.h"
#include "py/runtime.h"
#include "py/gc.h"
#include "py/stackctrl.h"
#include "mphalport.h"
#include "espidf.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "soc/cpu.h"
// ESP IDF has some functions that are declared but ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/espidf.c | C | apache-2.0 | 6,949 |
/**
* This file defines the Micorpython API to ESP-IDF
* It is used as input to gen_mpy.py to create a micropython module
**/
#if __has_include("esp_idf_version.h")
# include "esp_idf_version.h"
#endif
// Disable some macros and includes that make pycparser choke
#ifdef PYCPARSER
#define __attribute__(x)
#defin... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/espidf.h | C | apache-2.0 | 7,212 |
##############################################################################
#
# Wrapper function for backward compatibility with new ILI9XXX library.
#
##############################################################################
print("""
***************************************
* This library is obsoled now!
* ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/ili9341.py | Python | apache-2.0 | 466 |
##############################################################################
# Pure/Hybrid micropython lvgl display driver for ili9341 and ili9488 on ESP32
#
# For ili9341 display:
#
# Build micropython with
# LV_CFLAGS="-DLV_COLOR_DEPTH=16 -DLV_COLOR_16_SWAP=1"
# (make parameter) to configure LVGL use the sa... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/ili9XXX.py | Python | apache-2.0 | 26,285 |
//////////////////////////////////////////////////////////////////////////////
// Includes
//////////////////////////////////////////////////////////////////////////////
#include "../include/common.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "driver/gpio.h"
#include "... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/modILI9341.c | C | apache-2.0 | 10,982 |
//////////////////////////////////////////////////////////////////////////////
// Includes
//////////////////////////////////////////////////////////////////////////////
// Uncomment the following line to see logs!
// #define LOG_LOCAL_LEVEL ESP_LOG_DEBUG
#include "../include/common.h"
#include "driver/gpio.h"
#incl... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/modrtch.c | C | apache-2.0 | 16,236 |
//////////////////////////////////////////////////////////////////////////////
// Includes
//////////////////////////////////////////////////////////////////////////////
#include "../include/common.h"
#include "lvgl/src/lv_hal/lv_hal_indev.h"
#include "lvgl/src/lv_core/lv_disp.h"
#include "py/obj.h"
#include "py/runti... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/modxpt2046.c | C | apache-2.0 | 10,062 |
// Copyright 2017 Espressif Systems (Shanghai) PTE LTD
//
// 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 applic... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/sh2lib.c | C | apache-2.0 | 17,719 |
// Copyright 2017 Espressif Systems (Shanghai) PTE LTD
//
// 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 applic... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/sh2lib.h | C | apache-2.0 | 22,514 |
from machine import Pin
import espidf as esp
import lvgl as lv
# TODO: Viper/native emmitters don't behave well when module is frozen.
class xpt2046:
# Command is 8 bit, but we add another bit as a space before xpt2046 stats sending the response, See Figure 12 on the datasheet
CMD_X_READ = const(0b1001... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/esp32/xpt2046.py | Python | apache-2.0 | 7,542 |
# Python driver for the AXP192 Power Management IC.
#
# https://gist.github.com/ropg/7216ba90a9d7697114d4ba8aea7bee3c
#
# Written in 2021 by Rop Gonggrijp.
#
# Some functionality inspired by C driver written by Mika Tuupola
# (https://github.com/tuupola/axp192) and a fork of that maintained by
# Brian Starkey (https:/... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/generic/axp192.py | Python | apache-2.0 | 10,553 |
# Pure Python LVGL indev driver for the FocalTech FT6X36 capacitive touch IC
#
# from ft6x36 import ft6x36
#
# touch = ft6x36(sda=<pin>, scl=<pin>)
#
# If you set the size of the touchpad, you have the option to invert each
# axis, and you'll get some extra robustness against occasional read errors
# as ... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/generic/ft6x36.py | Python | apache-2.0 | 3,453 |
# This is the minimal pure-python lvgl pointer-type driver. It does not read
# any hardware and instead just presses at location (50,100)
#
# In a real driver, always return the last position in data.point, even if
# the data.state goes to 'released' (lv.INDEV_STATE.RELEASED), so maybe keep
# that in self.point.
#
# Th... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/generic/indev_example.py | Python | apache-2.0 | 1,133 |
#ifndef __LVMP_DRV_COMMON_H
#define __LVMP_DRV_COMMON_H
#include "py/obj.h"
#include "py/runtime.h"
#include "py/binary.h"
//////////////////////////////////////////////////////////////////////////////
// A read-only buffer that contains a C pointer
// Used to communicate function pointers to lvgl Micropython binding... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/include/common.h | C | apache-2.0 | 1,486 |
#
# Important:
# This is a JS specific version of imagetools.py
# without native emitter since JS port doesnt support
# "native" and "viper" decorators.
# Other ports should use the imagetools.py from /lib
#
#
# Library of functions for image manipulation.
# Can be used with lodepng to decode PNG images:
#
# from i... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/js/imagetools.py | Python | apache-2.0 | 2,721 |
# Stub Timer implementation for the JS port.
#
# This does absolutely nothing beyond provide a class, so it will
# not be suitable for any application which needs a timer.
#
# MIT license; Copyright (c) 2021 embeddedt
class Timer:
PERIODIC = 0
ONE_SHOT = 1
def __init__(self, id):
pass
def i... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/js/lv_timer.py | Python | apache-2.0 | 421 |
# LVGL indev driver for evdev mouse device
# (for the unix micropython port)
import ustruct
import select
import lvgl as lv
# Default crosshair cursor
class crosshair_cursor:
def __init__(self, scr=None):
self.scr = scr if scr else lv.scr_act()
self.hor_res = self.scr.get_width()
self.ver_... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/linux/evdev.py | Python | apache-2.0 | 2,974 |
# Timer that matches machine.Timer (https://docs.micropython.org/en/latest/library/machine.Timer.html)
# for the unix port.
#
# MIT license; Copyright (c) 2021 Amir Gonnen
#
# Based on timer.py from micropython-lib (https://github.com/micropython/micropython-lib/blob/master/unix-ffi/machine/machine/timer.py)
import... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/linux/lv_timer.py | Python | apache-2.0 | 4,296 |
/*********************
* INCLUDES
*********************/
#include "../../lib/lv_bindings/lvgl/lvgl.h"
#include "../include/common.h"
#include <stdlib.h>
#include <unistd.h>
#include <stddef.h>
#include <stdio.h>
#include <fcntl.h>
#include <linux/fb.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <pth... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/linux/modfb.c | C | apache-2.0 | 8,654 |
# This makefile only makes the unit test, benchmark and pngdetail and showpng
# utilities. It does not make the PNG codec itself as shared or static library.
# That is because:
# LodePNG itself has only 1 source file (lodepng.cpp, can be renamed to
# lodepng.c) and is intended to be included as source file in other pro... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/png/lodepng/Makefile | Makefile | apache-2.0 | 1,133 |
/*
LodePNG Examples
Copyright (c) 2005-2012 Lode Vandevenne
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including co... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/png/lodepng/examples/example_4bit_palette.cpp | C++ | apache-2.0 | 3,796 |
/*
LodePNG Examples
Copyright (c) 2005-2010 Lode Vandevenne
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including co... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/png/lodepng/examples/example_bmp2png.cpp | C++ | apache-2.0 | 4,514 |
/*
LodePNG Examples
Copyright (c) 2005-2012 Lode Vandevenne
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including co... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/png/lodepng/examples/example_decode.c | C | apache-2.0 | 2,802 |
/*
LodePNG Examples
Copyright (c) 2005-2012 Lode Vandevenne
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including co... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/png/lodepng/examples/example_decode.cpp | C++ | apache-2.0 | 3,235 |
/*
LodePNG Examples
Copyright (c) 2005-2012 Lode Vandevenne
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including co... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/png/lodepng/examples/example_encode.c | C | apache-2.0 | 3,467 |
/*
LodePNG Examples
Copyright (c) 2005-2012 Lode Vandevenne
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including co... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/png/lodepng/examples/example_encode.cpp | C++ | apache-2.0 | 3,612 |
/*
LodePNG Examples
Copyright (c) 2005-2015 Lode Vandevenne
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including co... | YifuLiu/AliOS-Things | components/py_engine/engine/lib/lv_bindings/driver/png/lodepng/examples/example_encode_type.cpp | C++ | apache-2.0 | 2,557 |