mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 10:18:11 +00:00
LibM: Fix Lagom build
isnormal really messes up the build. Just remove it for now; it can be addressed in a seperate commit. Additionally, conditionally add `noexcept` to the math functions if we are in a C++ context.
This commit is contained in:
Matthew Olsson
Andreas Kling
parent
b1299f972c
commit
49c5acaa3d
2 changed files with 129 additions and 131 deletions
|
|
@ -59,17 +59,17 @@ constexpr size_t product_odd() { return value * product_odd<value - 2>(); }
|
|||
|
||||
extern "C" {
|
||||
|
||||
double trunc(double x)
|
||||
double trunc(double x) NOEXCEPT
|
||||
{
|
||||
return (int64_t)x;
|
||||
}
|
||||
|
||||
double cos(double angle)
|
||||
double cos(double angle) NOEXCEPT
|
||||
{
|
||||
return sin(angle + M_PI_2);
|
||||
}
|
||||
|
||||
float cosf(float angle)
|
||||
float cosf(float angle) NOEXCEPT
|
||||
{
|
||||
return sinf(angle + M_PI_2);
|
||||
}
|
||||
|
|
@ -78,7 +78,7 @@ float cosf(float angle)
|
|||
// now this works pretty well (and doesn't mess anything up
|
||||
// in quake in particular, which is very Floating-Point precision
|
||||
// heavy)
|
||||
double sin(double angle)
|
||||
double sin(double angle) NOEXCEPT
|
||||
{
|
||||
double ret = 0.0;
|
||||
__asm__(
|
||||
|
|
@ -89,7 +89,7 @@ double sin(double angle)
|
|||
return ret;
|
||||
}
|
||||
|
||||
float sinf(float angle)
|
||||
float sinf(float angle) NOEXCEPT
|
||||
{
|
||||
float ret = 0.0f;
|
||||
__asm__(
|
||||
|
|
@ -99,7 +99,7 @@ float sinf(float angle)
|
|||
return ret;
|
||||
}
|
||||
|
||||
double pow(double x, double y)
|
||||
double pow(double x, double y) NOEXCEPT
|
||||
{
|
||||
// FIXME: Please fix me. I am naive.
|
||||
if (y == 0)
|
||||
|
|
@ -109,7 +109,7 @@ double pow(double x, double y)
|
|||
int y_as_int = (int)y;
|
||||
if (y == (double)y_as_int) {
|
||||
double result = x;
|
||||
for (int i = 0; i < abs(y) - 1; ++i)
|
||||
for (int i = 0; i < fabs(y) - 1; ++i)
|
||||
result *= x;
|
||||
if (y < 0)
|
||||
result = 1.0 / result;
|
||||
|
|
@ -118,7 +118,7 @@ double pow(double x, double y)
|
|||
return exp(y * log(x));
|
||||
}
|
||||
|
||||
float powf(float x, float y)
|
||||
float powf(float x, float y) NOEXCEPT
|
||||
{
|
||||
// FIXME: Please fix me. I am naive.
|
||||
if (y == 0)
|
||||
|
|
@ -128,7 +128,7 @@ float powf(float x, float y)
|
|||
int y_as_int = (int)y;
|
||||
if (y == (float)y_as_int) {
|
||||
float result = x;
|
||||
for (int i = 0; i < abs(y) - 1; ++i)
|
||||
for (int i = 0; i < fabs(y) - 1; ++i)
|
||||
result *= x;
|
||||
if (y < 0)
|
||||
result = 1.0 / result;
|
||||
|
|
@ -137,14 +137,14 @@ float powf(float x, float y)
|
|||
return (float)exp((double)y * log((double)x));
|
||||
}
|
||||
|
||||
double ldexp(double x, int exp)
|
||||
double ldexp(double x, int exp) NOEXCEPT
|
||||
{
|
||||
// FIXME: Please fix me. I am naive.
|
||||
double val = pow(2, exp);
|
||||
return x * val;
|
||||
}
|
||||
|
||||
double tanh(double x)
|
||||
double tanh(double x) NOEXCEPT
|
||||
{
|
||||
if (x > 0) {
|
||||
double exponentiated = exp(2 * x);
|
||||
|
|
@ -155,7 +155,7 @@ double tanh(double x)
|
|||
return (plusX - minusX) / (plusX + minusX);
|
||||
}
|
||||
|
||||
double ampsin(double angle)
|
||||
double ampsin(double angle) NOEXCEPT
|
||||
{
|
||||
double looped_angle = fmod(M_PI + angle, M_TAU) - M_PI;
|
||||
double looped_angle_squared = looped_angle * looped_angle;
|
||||
|
|
@ -172,12 +172,12 @@ double ampsin(double angle)
|
|||
return quadratic_term + linear_term;
|
||||
}
|
||||
|
||||
double tan(double angle)
|
||||
double tan(double angle) NOEXCEPT
|
||||
{
|
||||
return ampsin(angle) / ampsin(M_PI_2 + angle);
|
||||
}
|
||||
|
||||
double sqrt(double x)
|
||||
double sqrt(double x) NOEXCEPT
|
||||
{
|
||||
double res;
|
||||
__asm__("fsqrt"
|
||||
|
|
@ -186,7 +186,7 @@ double sqrt(double x)
|
|||
return res;
|
||||
}
|
||||
|
||||
float sqrtf(float x)
|
||||
float sqrtf(float x) NOEXCEPT
|
||||
{
|
||||
float res;
|
||||
__asm__("fsqrt"
|
||||
|
|
@ -195,7 +195,7 @@ float sqrtf(float x)
|
|||
return res;
|
||||
}
|
||||
|
||||
double sinh(double x)
|
||||
double sinh(double x) NOEXCEPT
|
||||
{
|
||||
double exponentiated = exp(x);
|
||||
if (x > 0)
|
||||
|
|
@ -203,12 +203,12 @@ double sinh(double x)
|
|||
return (exponentiated - 1 / exponentiated) / 2;
|
||||
}
|
||||
|
||||
double log10(double x)
|
||||
double log10(double x) NOEXCEPT
|
||||
{
|
||||
return log(x) / M_LN10;
|
||||
}
|
||||
|
||||
double log(double x)
|
||||
double log(double x) NOEXCEPT
|
||||
{
|
||||
if (x < 0)
|
||||
return NAN;
|
||||
|
|
@ -223,22 +223,22 @@ double log(double x)
|
|||
return y + 2 * (x - exponentiated) / (x + exponentiated);
|
||||
}
|
||||
|
||||
float logf(float x)
|
||||
float logf(float x) NOEXCEPT
|
||||
{
|
||||
return (float)log(x);
|
||||
}
|
||||
|
||||
double fmod(double index, double period)
|
||||
double fmod(double index, double period) NOEXCEPT
|
||||
{
|
||||
return index - trunc(index / period) * period;
|
||||
}
|
||||
|
||||
float fmodf(float index, float period)
|
||||
float fmodf(float index, float period) NOEXCEPT
|
||||
{
|
||||
return index - trunc(index / period) * period;
|
||||
}
|
||||
|
||||
double exp(double exponent)
|
||||
double exp(double exponent) NOEXCEPT
|
||||
{
|
||||
double result = 1;
|
||||
if (exponent >= 1) {
|
||||
|
|
@ -274,22 +274,22 @@ double exp(double exponent)
|
|||
return result * taylor_series_result;
|
||||
}
|
||||
|
||||
float expf(float exponent)
|
||||
float expf(float exponent) NOEXCEPT
|
||||
{
|
||||
return (float)exp(exponent);
|
||||
}
|
||||
|
||||
double exp2(double exponent)
|
||||
double exp2(double exponent) NOEXCEPT
|
||||
{
|
||||
return pow(2.0, exponent);
|
||||
}
|
||||
|
||||
float exp2f(float exponent)
|
||||
float exp2f(float exponent) NOEXCEPT
|
||||
{
|
||||
return pow(2.0f, exponent);
|
||||
}
|
||||
|
||||
double cosh(double x)
|
||||
double cosh(double x) NOEXCEPT
|
||||
{
|
||||
double exponentiated = exp(-x);
|
||||
if (x < 0)
|
||||
|
|
@ -297,7 +297,7 @@ double cosh(double x)
|
|||
return (1 / exponentiated + exponentiated) / 2;
|
||||
}
|
||||
|
||||
double atan2(double y, double x)
|
||||
double atan2(double y, double x) NOEXCEPT
|
||||
{
|
||||
if (x > 0)
|
||||
return atan(y / x);
|
||||
|
|
@ -313,12 +313,12 @@ double atan2(double y, double x)
|
|||
return atan(y / x) - M_PI;
|
||||
}
|
||||
|
||||
float atan2f(float y, float x)
|
||||
float atan2f(float y, float x) NOEXCEPT
|
||||
{
|
||||
return (float)atan2(y, x);
|
||||
}
|
||||
|
||||
double atan(double x)
|
||||
double atan(double x) NOEXCEPT
|
||||
{
|
||||
if (x < 0)
|
||||
return -atan(-x);
|
||||
|
|
@ -328,7 +328,7 @@ double atan(double x)
|
|||
return x / (1 + 1 * 1 * squared / (3 + 2 * 2 * squared / (5 + 3 * 3 * squared / (7 + 4 * 4 * squared / (9 + 5 * 5 * squared / (11 + 6 * 6 * squared / (13 + 7 * 7 * squared)))))));
|
||||
}
|
||||
|
||||
double asin(double x)
|
||||
double asin(double x) NOEXCEPT
|
||||
{
|
||||
if (x > 1 || x < -1)
|
||||
return NAN;
|
||||
|
|
@ -351,60 +351,60 @@ double asin(double x)
|
|||
return value;
|
||||
}
|
||||
|
||||
float asinf(float x)
|
||||
float asinf(float x) NOEXCEPT
|
||||
{
|
||||
return (float)asin(x);
|
||||
}
|
||||
|
||||
double acos(double x)
|
||||
double acos(double x) NOEXCEPT
|
||||
{
|
||||
return M_PI_2 - asin(x);
|
||||
}
|
||||
|
||||
float acosf(float x)
|
||||
float acosf(float x) NOEXCEPT
|
||||
{
|
||||
return M_PI_2 - asinf(x);
|
||||
}
|
||||
|
||||
double fabs(double value)
|
||||
double fabs(double value) NOEXCEPT
|
||||
{
|
||||
return value < 0 ? -value : value;
|
||||
}
|
||||
|
||||
double log2(double x)
|
||||
double log2(double x) NOEXCEPT
|
||||
{
|
||||
return log(x) / M_LN2;
|
||||
}
|
||||
|
||||
float log2f(float x)
|
||||
float log2f(float x) NOEXCEPT
|
||||
{
|
||||
return log2(x);
|
||||
}
|
||||
|
||||
long double log2l(long double x)
|
||||
long double log2l(long double x) NOEXCEPT
|
||||
{
|
||||
return log2(x);
|
||||
}
|
||||
|
||||
double frexp(double, int*)
|
||||
double frexp(double, int*) NOEXCEPT
|
||||
{
|
||||
ASSERT_NOT_REACHED();
|
||||
return 0;
|
||||
}
|
||||
|
||||
float frexpf(float, int*)
|
||||
float frexpf(float, int*) NOEXCEPT
|
||||
{
|
||||
ASSERT_NOT_REACHED();
|
||||
return 0;
|
||||
}
|
||||
|
||||
long double frexpl(long double, int*)
|
||||
long double frexpl(long double, int*) NOEXCEPT
|
||||
{
|
||||
ASSERT_NOT_REACHED();
|
||||
return 0;
|
||||
}
|
||||
|
||||
double round(double value)
|
||||
double round(double value) NOEXCEPT
|
||||
{
|
||||
// FIXME: Please fix me. I am naive.
|
||||
if (value >= 0.0)
|
||||
|
|
@ -412,7 +412,7 @@ double round(double value)
|
|||
return (double)(int)(value - 0.5);
|
||||
}
|
||||
|
||||
float roundf(float value)
|
||||
float roundf(float value) NOEXCEPT
|
||||
{
|
||||
// FIXME: Please fix me. I am naive.
|
||||
if (value >= 0.0f)
|
||||
|
|
@ -420,7 +420,7 @@ float roundf(float value)
|
|||
return (float)(int)(value - 0.5f);
|
||||
}
|
||||
|
||||
float floorf(float value)
|
||||
float floorf(float value) NOEXCEPT
|
||||
{
|
||||
if (value >= 0)
|
||||
return (int)value;
|
||||
|
|
@ -428,7 +428,7 @@ float floorf(float value)
|
|||
return ((float)intvalue == value) ? intvalue : intvalue - 1;
|
||||
}
|
||||
|
||||
double floor(double value)
|
||||
double floor(double value) NOEXCEPT
|
||||
{
|
||||
if (value >= 0)
|
||||
return (int)value;
|
||||
|
|
@ -436,12 +436,12 @@ double floor(double value)
|
|||
return ((double)intvalue == value) ? intvalue : intvalue - 1;
|
||||
}
|
||||
|
||||
double rint(double value)
|
||||
double rint(double value) NOEXCEPT
|
||||
{
|
||||
return (int)roundf(value);
|
||||
}
|
||||
|
||||
float ceilf(float value)
|
||||
float ceilf(float value) NOEXCEPT
|
||||
{
|
||||
// FIXME: Please fix me. I am naive.
|
||||
int as_int = (int)value;
|
||||
|
|
@ -455,7 +455,7 @@ float ceilf(float value)
|
|||
return as_int + 1;
|
||||
}
|
||||
|
||||
double ceil(double value)
|
||||
double ceil(double value) NOEXCEPT
|
||||
{
|
||||
// FIXME: Please fix me. I am naive.
|
||||
int as_int = (int)value;
|
||||
|
|
@ -469,24 +469,24 @@ double ceil(double value)
|
|||
return as_int + 1;
|
||||
}
|
||||
|
||||
double modf(double x, double* intpart)
|
||||
double modf(double x, double* intpart) NOEXCEPT
|
||||
{
|
||||
*intpart = (double)((int)(x));
|
||||
return x - (int)x;
|
||||
}
|
||||
|
||||
double gamma(double x)
|
||||
double gamma(double x) NOEXCEPT
|
||||
{
|
||||
// Stirling approximation
|
||||
return sqrt(2.0 * M_PI / x) * pow(x / M_E, x);
|
||||
}
|
||||
|
||||
double expm1(double x)
|
||||
double expm1(double x) NOEXCEPT
|
||||
{
|
||||
return pow(M_E, x) - 1;
|
||||
}
|
||||
|
||||
double cbrt(double x)
|
||||
double cbrt(double x) NOEXCEPT
|
||||
{
|
||||
if (x > 0) {
|
||||
return pow(x, 1.0 / 3.0);
|
||||
|
|
@ -495,35 +495,35 @@ double cbrt(double x)
|
|||
return -pow(-x, 1.0 / 3.0);
|
||||
}
|
||||
|
||||
double log1p(double x)
|
||||
double log1p(double x) NOEXCEPT
|
||||
{
|
||||
return log(1 + x);
|
||||
}
|
||||
|
||||
double acosh(double x)
|
||||
double acosh(double x) NOEXCEPT
|
||||
{
|
||||
return log(x + sqrt(x * x - 1));
|
||||
}
|
||||
|
||||
double asinh(double x)
|
||||
double asinh(double x) NOEXCEPT
|
||||
{
|
||||
return log(x + sqrt(x * x + 1));
|
||||
}
|
||||
|
||||
double atanh(double x)
|
||||
double atanh(double x) NOEXCEPT
|
||||
{
|
||||
return log((1 + x) / (1 - x)) / 2.0;
|
||||
}
|
||||
|
||||
double hypot(double x, double y)
|
||||
double hypot(double x, double y) NOEXCEPT
|
||||
{
|
||||
return sqrt(x * x + y * y);
|
||||
}
|
||||
|
||||
double erf(double x)
|
||||
double erf(double x) NOEXCEPT
|
||||
{
|
||||
// algorithm taken from Abramowitz and Stegun (no. 26.2.17)
|
||||
double t = 1 / (1 + 0.47047 * abs(x));
|
||||
double t = 1 / (1 + 0.47047 * fabs(x));
|
||||
double poly = t * (0.3480242 + t * (-0.958798 + t * 0.7478556));
|
||||
double answer = 1 - poly * exp(-x * x);
|
||||
if (x < 0)
|
||||
|
|
@ -532,15 +532,9 @@ double erf(double x)
|
|||
return answer;
|
||||
}
|
||||
|
||||
double erfc(double x)
|
||||
double erfc(double x) NOEXCEPT
|
||||
{
|
||||
return 1 - erf(x);
|
||||
}
|
||||
|
||||
int isnormal(double x)
|
||||
{
|
||||
if (x < 0)
|
||||
x = -x;
|
||||
return x >= DOUBLE_MIN && x <= DOUBLE_MAX;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue