?? c90-float-1.c
字號(hào):
/* Test for <float.h> C90 macros. *//* Origin: Joseph Myers <jsm28@cam.ac.uk> *//* { dg-do preprocess } *//* { dg-options "-std=iso9899:1990 -pedantic-errors" } *//* This test checks that the C90 macros (but not the C99 ones) are defined; it does not check the correctness of their values. */#include <float.h>#ifndef FLT_ROUNDS#error "FLT_ROUNDS undefined"#endif#ifndef FLT_RADIX#error "FLT_RADIX undefined"#endif#ifndef FLT_MANT_DIG#error "FLT_MANT_DIG undefined"#endif#ifndef FLT_DIG#error "FLT_DIG undefined"#endif#ifndef FLT_MIN_EXP#error "FLT_MIN_EXP undefined"#endif#ifndef FLT_MIN_10_EXP#error "FLT_MIN_10_EXP undefined"#endif#ifndef FLT_MAX_EXP#error "FLT_MAX_EXP undefined"#endif#ifndef FLT_MAX_10_EXP#error "FLT_MAX_10_EXP undefined"#endif#ifndef FLT_MAX#error "FLT_MAX undefined"#endif#ifndef FLT_EPSILON#error "FLT_EPSILON undefined"#endif#ifndef FLT_MIN#error "FLT_MIN undefined"#endif#ifndef DBL_MANT_DIG#error "DBL_MANT_DIG undefined"#endif#ifndef DBL_DIG#error "DBL_DIG undefined"#endif#ifndef DBL_MIN_EXP#error "DBL_MIN_EXP undefined"#endif#ifndef DBL_MIN_10_EXP#error "DBL_MIN_10_EXP undefined"#endif#ifndef DBL_MAX_EXP#error "DBL_MAX_EXP undefined"#endif#ifndef DBL_MAX_10_EXP#error "DBL_MAX_10_EXP undefined"#endif#ifndef DBL_MAX#error "DBL_MAX undefined"#endif#ifndef DBL_EPSILON#error "DBL_EPSILON undefined"#endif#ifndef DBL_MIN#error "DBL_MIN undefined"#endif#ifndef LDBL_MANT_DIG#error "LDBL_MANT_DIG undefined"#endif#ifndef LDBL_DIG#error "LDBL_DIG undefined"#endif#ifndef LDBL_MIN_EXP#error "LDBL_MIN_EXP undefined"#endif#ifndef LDBL_MIN_10_EXP#error "LDBL_MIN_10_EXP undefined"#endif#ifndef LDBL_MAX_EXP#error "LDBL_MAX_EXP undefined"#endif#ifndef LDBL_MAX_10_EXP#error "LDBL_MAX_10_EXP undefined"#endif#ifndef LDBL_MAX#error "LDBL_MAX undefined"#endif#ifndef LDBL_EPSILON#error "LDBL_EPSILON undefined"#endif#ifndef LDBL_MIN#error "LDBL_MIN undefined"#endif#ifdef FLT_EVAL_METHOD#error "FLT_EVAL_METHOD defined"#endif#ifdef DECIMAL_DIG#error "DECIMAL_DIG defined"#endif
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