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Merge commit '852f2a6343518919e5ca8d3c1bbcab9f493e3cd8'

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Green Sky
2024-01-17 17:02:59 +01:00
parent 7359e30c3e 852f2a6343
commit f701b7d2f8
1244 changed files with 50102 additions and 28146 deletions
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9
external/sdl/SDL/src/libm/e_exp.c vendored
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@ -98,6 +98,13 @@ P3 = 6.61375632143793436117e-05, /* 0x3F11566A, 0xAF25DE2C */
P4 = -1.65339022054652515390e-06, /* 0xBEBBBD41, 0xC5D26BF1 */
P5 = 4.13813679705723846039e-08; /* 0x3E663769, 0x72BEA4D0 */
union {
Uint64 u64;
double d;
} inf_union = {
0x7ff0000000000000 /* Binary representation of a 64-bit infinite double (sign=0, exponent=2047, mantissa=0) */
};
double __ieee754_exp(double x) /* default IEEE double exp */
{
double y;
@ -123,6 +130,8 @@ double __ieee754_exp(double x) /* default IEEE double exp */
else return (xsb==0)? x:0.0; /* exp(+-inf)={inf,0} */
}
#if 1
if(x > o_threshold) return inf_union.d; /* overflow */
#elif 1
if(x > o_threshold) return huge*huge; /* overflow */
#else /* !!! FIXME: check this: "huge * huge" is a compiler warning, maybe they wanted +Inf? */
if(x > o_threshold) return INFINITY; /* overflow */

2
external/sdl/SDL/src/libm/math_libm.h vendored
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@ -1,6 +1,6 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages