updae source to 2.0.9 source

Edward Rudd

2019-04-09 9cd2e9ec8fc0127393dfce9c0359d500c8c238be

 source/src/stdlib/SDL_stdlib.c

@@ -201,10 +201,30 @@
}

double
SDL_exp(double x)
{
#if defined(HAVE_EXP)
    return exp(x);
#else
    return SDL_uclibc_exp(x);
#endif
}

float
SDL_expf(float x)
{
#if defined(HAVE_EXPF)
    return expf(x);
#else
    return (float)SDL_exp((double)x);
#endif
}

double
SDL_fabs(double x)
{
#if defined(HAVE_FABS)
    return fabs(x); 
    return fabs(x);
#else
    return SDL_uclibc_fabs(x);
#endif
@@ -214,7 +234,7 @@
SDL_fabsf(float x)
{
#if defined(HAVE_FABSF)
    return fabsf(x); 
    return fabsf(x);
#else
    return (float)SDL_fabs((double)x);
#endif