/* This header defines a macro indicating which format is the representation of
 * long double.
 *
 * LONG_DOUBLE_IS_BINARY64:
 *     The format of long double is IEEE 754 binary64 format. (a.k.a. double)
 * LONG_DOUBLE_IS_X87_EXTENDED:
 *     The format of long double is Intel 8087 80-bit extended precision
 *     format.
 * LONG_DOUBLE_IS_BINARY128:
 *     The format of long double is IEEE 754 binary128 format. (a.k.a. quad)
 */

#ifndef LONG_DOUBLE_H
#define LONG_DOUBLE_H

#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
#define LONG_DOUBLE_IS_BINARY64
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
#define LONG_DOUBLE_IS_X87_EXTENDED
#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
#define LONG_DOUBLE_IS_BINARY128
#endif

#endif