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Limits of Basic Types — portable method of determining the limits of the standard types.
#include <glib.h> #define G_MININT #define G_MAXINT #define G_MAXUINT #define G_MINSHORT #define G_MAXSHORT #define G_MAXUSHORT #define G_MINLONG #define G_MAXLONG #define G_MAXULONG #define G_MININT64 #define G_MAXINT64 #define G_MAXUINT64 #define G_MINFLOAT #define G_MAXFLOAT #define G_MINDOUBLE #define G_MAXDOUBLE
These macros provide a portable method to determine the limits of some of the standard integer and floating point types.
#define G_MININT64 G_GINT64_CONSTANT(0x8000000000000000)
The minimum value which can be held in a gint64.
#define G_MAXINT64 G_GINT64_CONSTANT(0x7fffffffffffffff)
The maximum value which can be held in a gint64.
#define G_MAXUINT64 G_GINT64_CONSTANT(0xffffffffffffffffU)
The maximum value which can be held in a guint64.
#define G_MINFLOAT FLT_MIN
The minimum positive value which can be held in a gfloat.
If you are interested in the smallest value which can be held in a gfloat, use -G_MAX_FLOAT.
#define G_MINDOUBLE DBL_MIN
The minimum positive value which can be held in a gdouble.
If you are interested in the smallest value which can be held in a gdouble, use -G_MAX_DOUBLE.
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