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Kernel/userspace: rework floating point math

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SSE is now unconditionally enabled any where and most of math.h is now
actually implemented. using __builtin_<func> lead to many hangs where
the builtin function would just call itself.
This commit is contained in:
Bananymous
2024-11-03 20:25:35 +02:00
parent ed19bb11fe
commit f4be37700f
18 changed files with 827 additions and 210 deletions
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88
userspace/libraries/LibC/include/math.h
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@@ -5,6 +5,8 @@
#include <sys/cdefs.h>
#include <float.h>
__BEGIN_DECLS
#ifndef FLT_EVAL_METHOD
@@ -22,52 +24,50 @@ __BEGIN_DECLS
typedef long double double_t;
#endif
// FIXME: define this
// int fpclassify(real-floating x);
#define fpclassify(x) __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, x)
#define isfinite(x) __builtin_isfinite(x)
#define isgreater(x, y) __builtin_isgreater(x, y)
#define isgreaterequal(x, y) __builtin_isgreaterequal(x, y)
#define isinf(x) __builtin_isinf_sign(x)
#define isless(x, y) __builtin_isless(x, y)
#define islessequal(x, y) __builtin_islessequal(x, y)
#define islessgreater(x, y) __builtin_islessgreater(x, y)
#define isnan(x) __builtin_isnan(x)
#define isnormal(x) __builtin_isnormal(x)
#define isunordered(x, y) __builtin_isunordered(x, y)
#define signbit(x) __builtin_signbit(x)
#define isfinite(x) __builtin_isfinite(x)
#define isgreater(x, y) __builtin_isgreater(x, y)
#define isgreaterequal(x, y) __builtin_isgreaterequal(x, y)
#define isinf(x) __builtin_isinf_sign(x)
#define isless(x, y) __builtin_isless(x, y)
#define islessequal(x, y) __builtin_islessequal(x, y)
#define islessgreater(x, y) __builtin_islessgreater(x, y)
#define isnan(x) __builtin_isnan(x)
#define isnormal(x) __builtin_isnormal(x)
#define isunordered(x, y) __builtin_isunordered(x, y)
#define signbit(x) __builtin_signbit(x)
#define M_E 2.7182818284590452354
#define M_LOG2E 1.4426950408889634074
#define M_LOG10E 0.43429448190325182765
#define M_LN2 0.69314718055994530942
#define M_LN10 2.30258509299404568402
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#define M_PI_4 0.78539816339744830962
#define M_1_PI 0.31830988618379067154
#define M_2_PI 0.63661977236758134308
#define M_2_SQRTPI 1.12837916709551257390
#define M_SQRT2 1.41421356237309504880
#define M_SQRT1_2 0.70710678118654752440
#define M_E 2.7182818284590452354
#define M_LOG2E 1.4426950408889634074
#define M_LOG10E 0.43429448190325182765
#define M_LN2 0.69314718055994530942
#define M_LN10 2.30258509299404568402
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#define M_PI_4 0.78539816339744830962
#define M_1_PI 0.31830988618379067154
#define M_2_PI 0.63661977236758134308
#define M_2_SQRTPI 1.12837916709551257390
#define M_SQRT2 1.41421356237309504880
#define M_SQRT1_2 0.70710678118654752440
#define HUGE_VAL __builtin_huge_val()
#define HUGE_VALF __builtin_huge_valf()
#define HUGE_VALL __builtin_huge_vall()
#define INFINITY __builtin_inff()
#define NAN __builtin_nanf("")
#define HUGE_VAL __builtin_huge_val()
#define HUGE_VALF __builtin_huge_valf()
#define HUGE_VALL __builtin_huge_vall()
#define INFINITY __builtin_inff()
#define NAN __builtin_nanf("")
#define FP_INFINITE 0
#define FP_NAN 1
#define FP_NORMAL 2
#define FP_SUBNORMAL 3
#define FP_ZERO 4
#define FP_INFINITE 0
#define FP_NAN 1
#define FP_NORMAL 2
#define FP_SUBNORMAL 3
#define FP_ZERO 4
#define FP_ILOGB0 -2147483647
#define FP_ILOGBNAN +2147483647
#define FP_ILOGB0 -2147483647
#define FP_ILOGBNAN +2147483647
#define MATH_ERRNO 1
#define MATH_ERREXCEPT 2
#define MATH_ERRNO 1
#define MATH_ERREXCEPT 2
#define math_errhandling (MATH_ERRNO | MATH_ERREXCEPT)
@@ -191,9 +191,9 @@ long lroundl(long double);
double modf(double, double*);
float modff(float, float*);
long double modfl(long double, long double*);
double nan(const char*);
float nanf(const char*);
long double nanl(const char*);
#define nan(tagp) __builtin_nan(tagp)
#define nanf(tagp) __builtin_nanf(tagp)
#define nanl(tagp) __builtin_nanl(tagp)
double nearbyint(double);
float nearbyintf(float);
long double nearbyintl(long double);