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gcc2: rewrite LDBL_MIN/MAX/EPSILON without hex-floats.

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* Values are taken from http://www.opengroup.org/csq/repository/appendix/oracle/iscl_appendix.html
* Confirmed to give the same results as the constants used in gcc4
* Should work in C++, where gcc2 doesn't support hex-floats
This commit is contained in:
Adrien Destugues 2014-10-15 08:29:00 +02:00
parent 4319c0ca13
commit e7b6630b6b
1 changed files with 2 additions and 2 deletions
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4
legacy/gcc/gcc/config/float-i386.h
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@ -74,7 +74,7 @@
#define LDBL_DIG 18
/* Difference between 1.0 and the minimum long double greater than 1.0 */
#undef LDBL_EPSILON
#define LDBL_EPSILON 0x1p-63l
#define LDBL_EPSILON 1.0842021724855044340075E-19L
/* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
#undef LDBL_MIN_EXP
#define LDBL_MIN_EXP (-16381)
@ -89,7 +89,7 @@
#define LDBL_MAX_EXP 16384
/* Maximum long double */
#undef LDBL_MAX
#define LDBL_MAX 0xfffffffffffffffp16320l
#define LDBL_MAX 1.1897314953572317650213E+4932L
/* Maximum int x such that 10**x is a representable long double */
#undef LDBL_MAX_10_EXP
#define LDBL_MAX_10_EXP 4932