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manual: clarify defintions of floating point exponent bounds (bug 31518)

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For decimal exponent bounds the range is inclusive, for binary exponent
bounds the range is exclusive.
This commit is contained in:
Andreas Schwab 2024-05-08 16:55:40 +02:00
parent 3c1e22372d
commit c35cad016b
1 changed files with 5 additions and 5 deletions
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10
manual/lang.texi
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@ -1065,7 +1065,7 @@ macros are supposed to be at least @code{10}.
@standards{C90, float.h} @standards{C90, float.h}
This is the smallest possible exponent value for type @code{float}. This is the smallest possible exponent value for type @code{float}.
More precisely, it is the minimum negative integer such that the value More precisely, it is the minimum negative integer such that the value
@code{FLT_RADIX} raised to this power minus 1 can be represented as a @code{FLT_RADIX} raised to one less than this power can be represented as a
normalized floating point number of type @code{float}. normalized floating point number of type @code{float}.
@item DBL_MIN_EXP @item DBL_MIN_EXP
@ -1078,7 +1078,7 @@ These are similar to @code{FLT_MIN_EXP}, but for the data types
@item FLT_MIN_10_EXP @item FLT_MIN_10_EXP
@standards{C90, float.h} @standards{C90, float.h}
This is the minimum negative integer such that @code{10} raised to this This is the minimum negative integer such that @code{10} raised to this
power minus 1 can be represented as a normalized floating point number power can be represented as a normalized floating point number
of type @code{float}. This is supposed to be @code{-37} or even less. of type @code{float}. This is supposed to be @code{-37} or even less.
@item DBL_MIN_10_EXP @item DBL_MIN_10_EXP
@ -1091,8 +1091,8 @@ These are similar to @code{FLT_MIN_10_EXP}, but for the data types
@standards{C90, float.h} @standards{C90, float.h}
This is the largest possible exponent value for type @code{float}. More This is the largest possible exponent value for type @code{float}. More
precisely, this is the maximum positive integer such that value precisely, this is the maximum positive integer such that value
@code{FLT_RADIX} raised to this power minus 1 can be represented as a @code{FLT_RADIX} raised to one less than this power can be represented as a
floating point number of type @code{float}. finite floating point number of type @code{float}.
@item DBL_MAX_EXP @item DBL_MAX_EXP
@itemx LDBL_MAX_EXP @itemx LDBL_MAX_EXP
@ -1103,7 +1103,7 @@ These are similar to @code{FLT_MAX_EXP}, but for the data types
@item FLT_MAX_10_EXP @item FLT_MAX_10_EXP
@standards{C90, float.h} @standards{C90, float.h}
This is the maximum positive integer such that @code{10} raised to this This is the maximum positive integer such that @code{10} raised to this
power minus 1 can be represented as a normalized floating point number power can be represented as a finite floating point number
of type @code{float}. This is supposed to be at least @code{37}. of type @code{float}. This is supposed to be at least @code{37}.
@item DBL_MAX_10_EXP @item DBL_MAX_10_EXP