double_t(3type) double_t(3type) NAME float_t, double_t - most efficient floating types LIBRARY Math library (libm) SYNOPSIS #include <math.h> typedef /* ... */ float_t; typedef /* ... */ double_t; DESCRIPTION The implementation's most efficient floating types at least as wide as float and double respectively. Their type depends on the value of the macro FLT_EVAL_METHOD (defined in <float.h>): FLT_EVAL_METHOD float_t double_t ──────────────────────────────────────────── 0 float double 1 double double 2 long double long double For other values of FLT_EVAL_METHOD, the types of float_t and double_t are implementation-defined. STANDARDS C99 and later; POSIX.1-2001 and later. SEE ALSO float.h(0p), math.h(0p) Linux man-pages 6.03 2022-12-15 double_t(3type)
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