directly; include instead" #endif #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF # define _MATH_H_MATHDEF 1 # if defined __x86_64__ || (defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0) /* The x86-64 architecture computes values with the precission of the used type. Similarly for -m32 -mfpmath=sse. */ typedef float float_t; /* `float' expressions are evaluated as `float'. */ typedef double double_t; /* `double' expressions are evaluated as `double'. */ # else /* The ix87 FPUs evaluate all values in the 80 bit floating-point format which is also available for the user as `long double'. Therefore we define: */ typedef long double float_t; /* `float' expressions are evaluated as `long double'. */ typedef long double double_t; /* `double' expressions are evaluated as `long double'. */ # endif /* The values returned by `ilogb' for 0 and NaN respectively. */ # define FP_ILOGB0 (-2147483647 - 1) # define FP_ILOGBNAN (-2147483647 - 1) /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l} builtins are supported. */ # ifdef __FP_FAST_FMA # define FP_FAST_FMA 1 # endif # ifdef __FP_FAST_FMAF # define FP_FAST_FMAF 1 # endif # ifdef __FP_FAST_FMAL # define FP_FAST_FMAL 1 # endif #endif /* ISO C99 */