diff options
| -rw-r--r-- | doc/ChangeLog | 6 | ||||
| -rw-r--r-- | doc/gawk.info | 687 | ||||
| -rw-r--r-- | doc/gawk.texi | 15 | ||||
| -rw-r--r-- | doc/gawktexi.in | 15 |
4 files changed, 366 insertions, 357 deletions
diff --git a/doc/ChangeLog b/doc/ChangeLog index f69e401d..9bf0b156 100644 --- a/doc/ChangeLog +++ b/doc/ChangeLog @@ -1,3 +1,9 @@ +2014-07-24 Arnold D. Robbins <arnold@skeeve.com> + + * gawktexi.in (Numeric Functions): For `div()', clarify + truncation is towards zero. Thanks to Michal Jaegermann + for pointing out the need to clarify this. + 2014-07-10 Arnold D. Robbins <arnold@skeeve.com> * gawktexi.in (Numeric Functions): Document new `div()' function. diff --git a/doc/gawk.info b/doc/gawk.info index e7854caf..e6c9a5d4 100644 --- a/doc/gawk.info +++ b/doc/gawk.info @@ -11682,14 +11682,15 @@ brackets ([ ]): `div(NUMERATOR, DENOMINATOR, RESULT)' Perform integer division, similar to the standard C function of the - same name. First, truncate `numerator' and `denominator' to - integers. Clear the `result' array, and then set - `result["quotient"]' to the result of `numerator / denominator', - truncated to an integer, and set `result["remainder"]' to the - result of `numerator % denominator', truncated to an integer. - This function is primarily intended for use with arbitrary length - integers; it avoids creating MPFR arbitrary precision - floating-point values (*note Arbitrary Precision Integers::). + same name. First, truncate `numerator' and `denominator' towards + zero, creating integer values. Clear the `result' array, and then + set `result["quotient"]' to the result of `numerator / + denominator', truncated towards zero to an integer, and set + `result["remainder"]' to the result of `numerator % denominator', + truncated towards zero to an integer. This function is primarily + intended for use with arbitrary length integers; it avoids + creating MPFR arbitrary precision floating-point values (*note + Arbitrary Precision Integers::). This function is a `gawk' extension. It is not available in compatibility mode (*note Options::). @@ -32163,10 +32164,10 @@ Index * exit status, of VMS: VMS Running. (line 29) * exit the debugger: Miscellaneous Debugger Commands. (line 99) -* exp: Numeric Functions. (line 32) +* exp: Numeric Functions. (line 33) * expand utility: Very Simple. (line 69) * Expat XML parser library: gawkextlib. (line 35) -* exponent: Numeric Functions. (line 32) +* exponent: Numeric Functions. (line 33) * expressions: Expressions. (line 6) * expressions, as patterns: Expression Patterns. (line 6) * expressions, assignment: Assignment Ops. (line 6) @@ -32702,7 +32703,7 @@ Index * installation, VMS: VMS Installation. (line 6) * installing gawk: Installation. (line 6) * instruction tracing, in debugger: Debugger Info. (line 89) -* int: Numeric Functions. (line 37) +* int: Numeric Functions. (line 38) * INT signal (MS-Windows): Profiling. (line 214) * integer array indices: Numeric Array Subscripts. (line 31) @@ -32851,9 +32852,9 @@ Index * localization: I18N and L10N. (line 6) * localization, See internationalization, localization: I18N and L10N. (line 6) -* log: Numeric Functions. (line 44) +* log: Numeric Functions. (line 45) * log files, timestamps in: Time Functions. (line 6) -* logarithm: Numeric Functions. (line 44) +* logarithm: Numeric Functions. (line 45) * logical false/true: Truth Values. (line 6) * logical operators, See Boolean expressions: Boolean Ops. (line 6) * login information: Passwd Functions. (line 16) @@ -33310,12 +33311,12 @@ Index * Rakitzis, Byron: History Sorting. (line 25) * Ramey, Chet <1>: General Data Types. (line 6) * Ramey, Chet: Acknowledgments. (line 60) -* rand: Numeric Functions. (line 48) +* rand: Numeric Functions. (line 49) * random numbers, Cliff: Cliff Random Function. (line 6) * random numbers, rand()/srand() functions: Numeric Functions. - (line 48) -* random numbers, seed of: Numeric Functions. (line 78) + (line 49) +* random numbers, seed of: Numeric Functions. (line 79) * range expressions (regexps): Bracket Expressions. (line 6) * range patterns: Ranges. (line 6) * range patterns, line continuation and: Ranges. (line 65) @@ -33443,7 +33444,7 @@ Index * Robbins, Miriam <2>: Getline/Pipe. (line 39) * Robbins, Miriam: Acknowledgments. (line 82) * Rommel, Kai Uwe: Contributors. (line 42) -* round to nearest integer: Numeric Functions. (line 37) +* round to nearest integer: Numeric Functions. (line 38) * round() user-defined function: Round Function. (line 16) * rounding numbers: Round Function. (line 6) * ROUNDMODE variable: User-modified. (line 128) @@ -33493,7 +33494,7 @@ Index * sed utility <2>: Simple Sed. (line 6) * sed utility: Field Splitting Summary. (line 46) -* seeding random number generator: Numeric Functions. (line 78) +* seeding random number generator: Numeric Functions. (line 79) * semicolon (;), AWKPATH variable and: PC Using. (line 10) * semicolon (;), separating statements in actions <1>: Statements. (line 10) @@ -33595,8 +33596,8 @@ Index * SIGUSR1 signal, for dynamic profiling: Profiling. (line 188) * silent debugger command: Debugger Execution Control. (line 10) -* sin: Numeric Functions. (line 89) -* sine: Numeric Functions. (line 89) +* sin: Numeric Functions. (line 90) +* sine: Numeric Functions. (line 90) * single quote ('): One-shot. (line 15) * single quote (') in gawk command lines: Long. (line 33) * single quote ('), in shell commands: Quoting. (line 48) @@ -33646,10 +33647,10 @@ Index * sprintf() function, OFMT variable and: User-modified. (line 114) * sprintf() function, print/printf statements and: Round Function. (line 6) -* sqrt: Numeric Functions. (line 92) +* sqrt: Numeric Functions. (line 93) * square brackets ([]), regexp operator: Regexp Operators. (line 56) -* square root: Numeric Functions. (line 92) -* srand: Numeric Functions. (line 96) +* square root: Numeric Functions. (line 93) +* srand: Numeric Functions. (line 97) * stack frame: Debugging Terms. (line 10) * Stallman, Richard <1>: Glossary. (line 296) * Stallman, Richard <2>: Contributors. (line 23) @@ -34218,325 +34219,325 @@ Node: Functions489801 Node: Built-in490674 Node: Calling Built-in491752 Node: Numeric Functions493740 -Ref: Numeric Functions-Footnote-1498318 -Ref: Numeric Functions-Footnote-2498675 -Ref: Numeric Functions-Footnote-3498723 -Node: String Functions498992 -Ref: String Functions-Footnote-1522003 -Ref: String Functions-Footnote-2522132 -Ref: String Functions-Footnote-3522380 -Node: Gory Details522467 -Ref: table-sub-escapes524136 -Ref: table-sub-posix-92525490 -Ref: table-sub-proposed526841 -Ref: table-posix-sub528195 -Ref: table-gensub-escapes529740 -Ref: Gory Details-Footnote-1530916 -Ref: Gory Details-Footnote-2530967 -Node: I/O Functions531118 -Ref: I/O Functions-Footnote-1538241 -Node: Time Functions538388 -Ref: Time Functions-Footnote-1548852 -Ref: Time Functions-Footnote-2548920 -Ref: Time Functions-Footnote-3549078 -Ref: Time Functions-Footnote-4549189 -Ref: Time Functions-Footnote-5549301 -Ref: Time Functions-Footnote-6549528 -Node: Bitwise Functions549794 -Ref: table-bitwise-ops550356 -Ref: Bitwise Functions-Footnote-1554601 -Node: Type Functions554785 -Node: I18N Functions555927 -Node: User-defined557572 -Node: Definition Syntax558376 -Ref: Definition Syntax-Footnote-1563555 -Node: Function Example563624 -Ref: Function Example-Footnote-1566268 -Node: Function Caveats566290 -Node: Calling A Function566808 -Node: Variable Scope567763 -Node: Pass By Value/Reference570751 -Node: Return Statement574259 -Node: Dynamic Typing577243 -Node: Indirect Calls578172 -Node: Functions Summary587885 -Node: Library Functions590424 -Ref: Library Functions-Footnote-1594042 -Ref: Library Functions-Footnote-2594185 -Node: Library Names594356 -Ref: Library Names-Footnote-1597829 -Ref: Library Names-Footnote-2598049 -Node: General Functions598135 -Node: Strtonum Function599163 -Node: Assert Function601943 -Node: Round Function605269 -Node: Cliff Random Function606810 -Node: Ordinal Functions607826 -Ref: Ordinal Functions-Footnote-1610903 -Ref: 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Problems-Footnote-1897026 -Node: Floating point summary897064 -Node: Dynamic Extensions899281 -Node: Extension Intro900833 -Node: Plugin License902098 -Node: Extension Mechanism Outline902783 -Ref: figure-load-extension903207 -Ref: figure-load-new-function904692 -Ref: figure-call-new-function905694 -Node: Extension API Description907678 -Node: Extension API Functions Introduction909128 -Node: General Data Types913993 -Ref: General Data Types-Footnote-1919686 -Node: Requesting Values919985 -Ref: table-value-types-returned920722 -Node: Memory Allocation Functions921680 -Ref: Memory Allocation Functions-Footnote-1924427 -Node: Constructor Functions924523 -Node: Registration Functions926281 -Node: Extension Functions926966 -Node: Exit Callback Functions929268 -Node: Extension Version String930517 -Node: Input Parsers931167 -Node: Output Wrappers940970 -Node: Two-way processors945486 -Node: Printing Messages947690 -Ref: Printing Messages-Footnote-1948767 -Node: Updating `ERRNO'948919 -Node: 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Syntax-Footnote-1563613 +Node: Function Example563682 +Ref: Function Example-Footnote-1566326 +Node: Function Caveats566348 +Node: Calling A Function566866 +Node: Variable Scope567821 +Node: Pass By Value/Reference570809 +Node: Return Statement574317 +Node: Dynamic Typing577301 +Node: Indirect Calls578230 +Node: Functions Summary587943 +Node: Library Functions590482 +Ref: Library Functions-Footnote-1594100 +Ref: Library Functions-Footnote-2594243 +Node: Library Names594414 +Ref: Library Names-Footnote-1597887 +Ref: Library Names-Footnote-2598107 +Node: General Functions598193 +Node: Strtonum Function599221 +Node: Assert Function602001 +Node: Round Function605327 +Node: Cliff Random Function606868 +Node: Ordinal Functions607884 +Ref: Ordinal Functions-Footnote-1610961 +Ref: Ordinal Functions-Footnote-2611213 +Node: Join Function611424 +Ref: Join Function-Footnote-1613195 +Node: Getlocaltime Function613395 +Node: Readfile Function617131 +Node: Data File Management618970 +Node: Filetrans 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+Ref: Translate Program-Footnote-2718236 +Node: Labels Program718370 +Ref: Labels Program-Footnote-1721741 +Node: Word Sorting721825 +Node: History Sorting725868 +Node: Extract Program727704 +Node: Simple Sed735240 +Node: Igawk Program738302 +Ref: Igawk Program-Footnote-1752613 +Ref: Igawk Program-Footnote-2752814 +Node: Anagram Program752952 +Node: Signature Program756020 +Node: Programs Summary757267 +Node: Programs Exercises758482 +Node: Advanced Features762133 +Node: Nondecimal Data764081 +Node: Array Sorting765658 +Node: Controlling Array Traversal766355 +Node: Array Sorting Functions774635 +Ref: Array Sorting Functions-Footnote-1778542 +Node: Two-way I/O778736 +Ref: Two-way I/O-Footnote-1784252 +Node: TCP/IP Networking784334 +Node: Profiling787178 +Node: Advanced Features Summary794729 +Node: Internationalization796593 +Node: I18N and L10N798073 +Node: Explaining gettext798759 +Ref: Explaining gettext-Footnote-1803899 +Ref: Explaining gettext-Footnote-2804083 +Node: Programmer 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Arithmetic863650 +Ref: Computer Arithmetic-Footnote-1868037 +Node: Math Definitions868094 +Ref: table-ieee-formats870978 +Node: MPFR features871482 +Node: FP Math Caution873124 +Ref: FP Math Caution-Footnote-1874165 +Node: Inexactness of computations874534 +Node: Inexact representation875482 +Node: Comparing FP Values876837 +Node: Errors accumulate877801 +Node: Getting Accuracy879234 +Node: Try To Round881893 +Node: Setting precision882792 +Ref: table-predefined-precision-strings883474 +Node: Setting the rounding mode885267 +Ref: table-gawk-rounding-modes885631 +Ref: Setting the rounding mode-Footnote-1889085 +Node: Arbitrary Precision Integers889264 +Ref: Arbitrary Precision Integers-Footnote-1893059 +Node: POSIX Floating Point Problems893208 +Ref: POSIX Floating Point Problems-Footnote-1897084 +Node: Floating point summary897122 +Node: Dynamic Extensions899339 +Node: Extension Intro900891 +Node: Plugin License902156 +Node: Extension Mechanism Outline902841 +Ref: 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table-readdir-file-types1022765 +Node: Extension Sample Revout1023564 +Node: Extension Sample Rev2way1024155 +Node: Extension Sample Read write array1024896 +Node: Extension Sample Readfile1026775 +Node: Extension Sample API Tests1027875 +Node: Extension Sample Time1028400 +Node: gawkextlib1029715 +Node: Extension summary1032528 +Node: Extension Exercises1036221 +Node: Language History1036943 +Node: V7/SVR3.11038586 +Node: SVR41040906 +Node: POSIX1042348 +Node: BTL1043734 +Node: POSIX/GNU1044468 +Node: Feature History1050067 +Node: Common Extensions1063197 +Node: Ranges and Locales1064509 +Ref: Ranges and Locales-Footnote-11069126 +Ref: Ranges and Locales-Footnote-21069153 +Ref: Ranges and Locales-Footnote-31069387 +Node: Contributors1069608 +Node: History summary1075033 +Node: Installation1076402 +Node: Gawk Distribution1077353 +Node: Getting1077837 +Node: Extracting1078661 +Node: Distribution contents1080303 +Node: Unix Installation1086073 +Node: Quick Installation1086690 +Node: Additional Configuration Options1089132 +Node: Configuration Philosophy1090870 +Node: Non-Unix Installation1093221 +Node: PC Installation1093679 +Node: PC Binary Installation1094990 +Node: PC Compiling1096838 +Ref: PC Compiling-Footnote-11099837 +Node: PC Testing1099942 +Node: PC Using1101118 +Node: Cygwin1105276 +Node: MSYS1106085 +Node: VMS Installation1106599 +Node: VMS Compilation1107395 +Ref: VMS Compilation-Footnote-11108617 +Node: VMS Dynamic Extensions1108675 +Node: VMS Installation Details1110048 +Node: VMS Running1112300 +Node: VMS GNV1115134 +Node: VMS Old Gawk1115857 +Node: Bugs1116327 +Node: Other Versions1120331 +Node: Installation summary1126586 +Node: Notes1127642 +Node: Compatibility Mode1128507 +Node: Additions1129289 +Node: Accessing The Source1130214 +Node: Adding Code1131650 +Node: New Ports1137828 +Node: Derived Files1142309 +Ref: Derived Files-Footnote-11147390 +Ref: Derived Files-Footnote-21147424 +Ref: Derived Files-Footnote-31148020 +Node: Future Extensions1148134 +Node: Implementation Limitations1148740 +Node: Extension Design1149988 +Node: Old Extension Problems1151142 +Ref: Old Extension Problems-Footnote-11152659 +Node: Extension New Mechanism Goals1152716 +Ref: Extension New Mechanism Goals-Footnote-11156076 +Node: Extension Other Design Decisions1156265 +Node: Extension Future Growth1158371 +Node: Old Extension Mechanism1159207 +Node: Notes summary1160969 +Node: Basic Concepts1162155 +Node: Basic High Level1162836 +Ref: figure-general-flow1163108 +Ref: figure-process-flow1163707 +Ref: Basic High Level-Footnote-11166936 +Node: Basic Data Typing1167121 +Node: Glossary1170449 +Node: Copying1195601 +Node: GNU Free Documentation License1233157 +Node: Index1258293 End Tag Table diff --git a/doc/gawk.texi b/doc/gawk.texi index d6db2018..1fb343de 100644 --- a/doc/gawk.texi +++ b/doc/gawk.texi @@ -16619,13 +16619,14 @@ Return the cosine of @var{x}, with @var{x} in radians. @cindex div Perform integer division, similar to the standard C function of the same name. First, truncate @code{numerator} and @code{denominator} -to integers. Clear the @code{result} array, and then set -@code{result["quotient"]} to the result of @samp{numerator / denominator}, -truncated to an integer, and set @code{result["remainder"]} to the result -of @samp{numerator % denominator}, truncated to an integer. -This function is primarily intended for use with arbitrary length -integers; it avoids creating MPFR arbitrary precision floating-point -values (@pxref{Arbitrary Precision Integers}). +towards zero, creating integer values. Clear the @code{result} +array, and then set @code{result["quotient"]} to the result of +@samp{numerator / denominator}, truncated towards zero to an integer, +and set @code{result["remainder"]} to the result of @samp{numerator % +denominator}, truncated towards zero to an integer. This function is +primarily intended for use with arbitrary length integers; it avoids +creating MPFR arbitrary precision floating-point values (@pxref{Arbitrary +Precision Integers}). This function is a @code{gawk} extension. It is not available in compatibility mode (@pxref{Options}). diff --git a/doc/gawktexi.in b/doc/gawktexi.in index 2d749e48..93139a04 100644 --- a/doc/gawktexi.in +++ b/doc/gawktexi.in @@ -15924,13 +15924,14 @@ Return the cosine of @var{x}, with @var{x} in radians. @cindex div Perform integer division, similar to the standard C function of the same name. First, truncate @code{numerator} and @code{denominator} -to integers. Clear the @code{result} array, and then set -@code{result["quotient"]} to the result of @samp{numerator / denominator}, -truncated to an integer, and set @code{result["remainder"]} to the result -of @samp{numerator % denominator}, truncated to an integer. -This function is primarily intended for use with arbitrary length -integers; it avoids creating MPFR arbitrary precision floating-point -values (@pxref{Arbitrary Precision Integers}). +towards zero, creating integer values. Clear the @code{result} +array, and then set @code{result["quotient"]} to the result of +@samp{numerator / denominator}, truncated towards zero to an integer, +and set @code{result["remainder"]} to the result of @samp{numerator % +denominator}, truncated towards zero to an integer. This function is +primarily intended for use with arbitrary length integers; it avoids +creating MPFR arbitrary precision floating-point values (@pxref{Arbitrary +Precision Integers}). This function is a @code{gawk} extension. It is not available in compatibility mode (@pxref{Options}). |