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LibM: Add NAN macro

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This commit is contained in:
Linus Groh 2020-06-04 13:03:15 +01:00 • committed by Andreas Kling
parent d315281d56
commit 8a94813007
3 changed files with 5 additions and 3 deletions
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3
Libraries/LibJS/Runtime/Value.h
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@ -32,6 +32,7 @@
#include <AK/Types.h> #include <AK/Types.h>
#include <LibJS/Forward.h> #include <LibJS/Forward.h>
#include <LibJS/Runtime/Symbol.h> #include <LibJS/Runtime/Symbol.h>
#include <math.h>
// 2 ** 53 - 1 // 2 ** 53 - 1
static constexpr double MAX_ARRAY_LIKE_INDEX = 9007199254740991.0; static constexpr double MAX_ARRAY_LIKE_INDEX = 9007199254740991.0;
@ -251,7 +252,7 @@ inline Value js_null()
inline Value js_nan() inline Value js_nan()
{ {
return Value(__builtin_nan("")); return Value(NAN);
} }
inline Value js_infinity() inline Value js_infinity()

4
Libraries/LibM/math.cpp
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@ -211,7 +211,7 @@ double log10(double x)
double log(double x) double log(double x)
{ {
if (x < 0) if (x < 0)
return __builtin_nan(""); return NAN;
if (x == 0) if (x == 0)
return -__builtin_huge_val(); return -__builtin_huge_val();
double y = 1 + 2 * (x - 1) / (x + 1); double y = 1 + 2 * (x - 1) / (x + 1);
@ -321,7 +321,7 @@ double atan(double x)
double asin(double x) double asin(double x)
{ {
if (x > 1 || x < -1) if (x > 1 || x < -1)
return __builtin_nan(""); return NAN;
if (x > 0.5 || x < -0.5) if (x > 0.5 || x < -0.5)
return 2 * atan(x / (1 + sqrt(1 - x * x))); return 2 * atan(x / (1 + sqrt(1 - x * x)));
double squared = x * x; double squared = x * x;

1
Libraries/LibM/math.h
View file

@ -31,6 +31,7 @@
__BEGIN_DECLS __BEGIN_DECLS
#define HUGE_VAL 1e10000 #define HUGE_VAL 1e10000
#define NAN __builtin_nan("")
#define M_E 2.718281828459045 #define M_E 2.718281828459045
#define M_PI 3.141592653589793 #define M_PI 3.141592653589793
#define M_PI_2 (M_PI / 2) #define M_PI_2 (M_PI / 2)