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* Fix an off-by-one error in tests for cells overflowing the end pages. Thedrh2023-07-13
| | | | | | | error is completely harmless for the default page cache, but might cause problems for application-defined page caches that pack pages tightly together. FossilOrigin-Name: ce6793e954f291b6f5c29175baf730ce217328de1f0601b8935daac62af5f448
* Reduce divergence between branches: trunk and wal-shm-exceptions.drh2023-07-11
| | | FossilOrigin-Name: d38ed6b1fc6b572997d520c36f256c11404fb1bd5f28acab07466bfc96554a8f
* Always use the "LL" suffix on 64-bit integer literals.drh2023-07-08
| | | FossilOrigin-Name: 07d95ed60f0a17ea13b4bc19c2ab2ec9052fedd27c9e1e57a1ec6e3a6470e5b7
* Fix harmless scan-build warnings.drh2023-07-08
| | | FossilOrigin-Name: beab3c98639be531744e60440223bb9ee76bc15234aff05e5efb273c8241dfd8
* Omit the use of memmove() in sqlite3FpDecode() in an attempt to avoiddrh2023-07-07
| | | | | | spurious warnings from valgrind. Also makes the code slightly smaller and faster. FossilOrigin-Name: b409943af00e35ad05906d0a80ffa1225a66f3d807c131e00cfbf6671a03a981
* Add option 2 to SQLITE_TESTCTRL_USELONGDOUBLE to move the setting to itsdrh2023-07-07
| | | | | | defaults. Enhance the CLI and testfixture to make use of this value. Base the default on sizeof(LONGDOUBLE_TYPE) rather than on sizeof(long double). FossilOrigin-Name: 64e6bd1c25d8e1dbfe511cba1921ff052c0fa4fe410fc9ce4435700a70cb88b1
* Improved handling of integer inputs to the new sum() implementation.drh2023-07-06
| | | FossilOrigin-Name: 31561c63bde6af2210296810fd66232b935033b4d26273a6b8a52142c54b4e12
* A more precise implementation of sqlite3RealToI64().drh2023-07-06
| | | FossilOrigin-Name: 8813317cb52990d90bd48de163b6e35ddcad2b6f3187aa28b28e2e088b4489ce
* Fix minor inaccuracies in the new sum() algorithm.drh2023-07-06
| | | FossilOrigin-Name: e3f7a960c9bd8e84cd70f0585bb955d043604a92001d0e2bf6c1216bb1fd7221
* Experimental attempt to boost the accuracy of sum() using thedrh2023-07-06
| | | | | Kahan-Babuska-Neumaier algorithm. FossilOrigin-Name: ebc5edd3b10c1102b07b9fb0d6837266b81e55504ef883b9b8a7ad5e8ab29dd2
* This is alternative work-around for the x86 float-point problem that usesdrh2023-07-05
| | | | | "volatile" rather than compile-specific #pragmas. FossilOrigin-Name: 1d972a690fdc70ab40862bd38427d68b48e8802ddf8e5c301f2d58ce2178b6ec
* Improved comments on the work-around to the GCC x86 floating point wonkiness.drh2023-07-05
| | | FossilOrigin-Name: 7b4c16731e7bf6f03f5adf4fcb2008c0b19be473fb1b90b405c217c08916586a
* Work around for an apparent GCC bug. Seedrh2023-07-05
| | | | | [forum:/info/ee7278611394034c|forum post ee7278611394034c] for details. FossilOrigin-Name: 5d9e9364808793d65925d4efbfde0f4246df258758f15e8ce1105070d1018fe6
* Make the order of operations explicit for the error term of Dekkerdrh2023-07-05
| | | | | double-precision multiply. FossilOrigin-Name: 28f57b34e6b11184a36e363a985e7531bddd7be48a5e039a670e5acf748eedda
* Simplification of the dekkerMul2() subroutine.drh2023-07-05
| | | FossilOrigin-Name: bfe6432a46fd41bfadf4516a73b4e2523d9b453c3e4486fe6df7e1d25275dfb3
* Enhance sqlite3AtoF() so that it honors the USELONGDOUBLE test-control.drh2023-07-03
| | | | | Enable the test/atof1.test module on non-intel platforms. FossilOrigin-Name: b7850fd480535980d66f107c2746e7f7fc0a5379ec8244d84f7785533c83f276
* Whether or not to use the long-double floating point conversion techniquedrh2023-07-03
| | | | | is now a test-control setting. FossilOrigin-Name: 02ae6caff1f7925c696ad263fe78b1036364d24b6373e1baec10d53aafb14a12
* New test cases for floating-point conversions.drh2023-07-03
| | | FossilOrigin-Name: 9435ed76cd9bb1be02768b3853a2323834f67bda75d3e3f76f6aa7bd0bade3d7
* Final clean-up of the idea of using Dekker double-precision floatingdrh2023-07-03
| | | | | computations to improve accuracy. FossilOrigin-Name: 40285d631072b79aba39cc20d4b217bdf0069f29ac9902cb97dec28d3e4cde11
* Squeeze as many bits as we can out of normalization.drh2023-07-03
| | | FossilOrigin-Name: 25d1ad6df1ed460c2cc9f32e8a5106e121ae502044f83abf431c1d5b3879eb56
* Faster Dekker multiplication that removes the restriction on input magnitude.drh2023-07-03
| | | FossilOrigin-Name: 2994caf5884be07c889519c78fbac4ddcf267fcfe6a3265ecb6390bcd574532e
* Fix one constant in the normalization logic. Improved error outputdrh2023-07-03
| | | | | from atof1.test. FossilOrigin-Name: d3c48807100a358a70fdd799c8935eba1b765ace2e1ddea4475fd673006cb6da
* Replace the dodgy error estimating logic in the previous check-in withdrh2023-07-03
| | | | | | full-up Dekker double-double multiplication, and this idea works much better. There are still a few inaccuracies, but it is much closer. FossilOrigin-Name: 4fa6938dac2d3d813a37664053db31451a2a065f78dd212488f5f7f8d583ddc5
* An idea for improving accuracy of fp-to-decimal conversion for systems thatdrh2023-07-03
| | | | | | do not have "long double". Does not quite work. Retained only for documentation purposes. FossilOrigin-Name: 702243333843219f8904ee0fd12283080d6c6b3fc1ffb36c534cdefb3563c00d
* This check-in adds the use of "long double" to sqlite3FpDecode() which whendrh2023-07-01
| | | | | | | run on x86 using a compiler that translates "long double" into binary80, causes all legacy tests to pass. But on a system where "long double" is just an alias for "double", some of the tests are still failing. FossilOrigin-Name: ce06982f880339cf46704e95c907249827c3e44af2b9420005200ca8abd3f371
* Reinstate the fpdecode() SQL function for testing, but only when compileddrh2023-07-01
| | | | | with SQLITE_DEBUG. FossilOrigin-Name: 07eab52e0801bb0e4743b304a06ad16e18cdf8eaa18c0faf8d47a1f5d8576ea0
* Improved rounding policy.drh2023-07-01
| | | FossilOrigin-Name: 6f1122e942b8269552daaf13d647d200d8546ec25f36310d67037c6b58d09976
* Improved response to Infinity and NaN. Remove the termporary fpdecode()drh2023-07-01
| | | | | function. FossilOrigin-Name: 76ab8ae809a47a66688e2d50c20dc87ce946d82e9ffebb3adda55c451fad07fc
* Progress towards fixing corner-case floating-point formatting issues.drh2023-07-01
| | | FossilOrigin-Name: 1138b8d16edef16d2943d407e289d07d546a14e64c3efa3c94127631e06fafeb
* Fix an issue with the "+" attribute in printf().drh2023-06-30
| | | FossilOrigin-Name: bdfd1eb1d7b4c570a53d58789dac0bf55fdaf8eba515d5a0caf2e57e25b51952
* Begin cutting over sqlite3FpDecode() into printf(). The code in thisdrh2023-06-30
| | | | | | check-in gets a lot right, but there are still some formatting discrepencies. FossilOrigin-Name: c134d423e79ba5d3343d7480229822a0c83210f67f12129e0237181f892f97a5
* Add decimal rounding to the sqlite3FpDecode() routine.drh2023-06-30
| | | FossilOrigin-Name: 27871140caa833f0bc0962e44356993938e93dcf81c1074382b1560a3e1aeb61
* Experiments with a new algorithm for converting ieee-754 binary64 numbersdrh2023-06-30
| | | | | into decimal. FossilOrigin-Name: e923405e448385085224f9289991b303d86b02763535ea77d6fcee98ba6fc1f2
* Improve support for sqlite3_stmt_scanstatus_v2() profiling of sub-queries ↵dan2023-06-30
| | | | | implemented as co-routines. FossilOrigin-Name: 4e8718dc35dbbaf75f17265a88d14acd9750dc75efbadf41377f9c97e732009c
* Add support for sqlite3_stmt_scanstatus_v2() profiling of GROUP BY clauses ↵dan2023-06-30
| | | | | that use a temp b-tree. FossilOrigin-Name: 796eadcc50e7ea9ec348b1f7e2d6a5a3de78c675a07f665078309e6d81479e7d
* Add extra debugging code for sqlite3_stmt_scanstatus_v2() to test1.c.dan2023-06-30
| | | FossilOrigin-Name: f936f101406069b29218c89a36581b4497226fb61906782ea368f12d943c901c
* Completely unwind the enhanced precision sum() from [a915f15a916af698] sodrh2023-06-30
| | | | | as not to offend UBSAN and OSS-Fuzz. FossilOrigin-Name: 85be05b66ef975f02a3e7b2984bcab97d9280c7f3b6ee1e16718de549f240d46
* Omit the doubleToReal() function in vdbemem.c. Use thedrh2023-06-30
| | | | | equivalent sqlite3RealToI64() function in its place. FossilOrigin-Name: 625820e8ebfdcf513c81b1b632bbe2aa882a8fbba52001113dc6f56270fa5ceb
* Make the sum() function less precise and slower in order to avoiddrh2023-06-30
| | | | | harmless signed integer overflow UBSAN warnings from OSS-Fuzz. FossilOrigin-Name: 1be0646a2c352dbf03d2af87fd48b6f9edfd68666790ac6863144ac95f3e0621
* Fix harmless compiler warnings about unused function arguments.drh2023-06-29
| | | FossilOrigin-Name: 24927c1377314a10177da4a57191593440aa97fd0c5949fdf25a22df1d947600
* Improve the range of floating-point numbers that can be handled as integersdrh2023-06-29
| | | | | for numeric-to-text conversion. FossilOrigin-Name: 41580ba452fdbc3f73da60d8030289d38614c4cab8d24140d7cc44a54b2da8d2
* Further refine the dtostr() testing function in the CLI so that it takes andrh2023-06-29
| | | | | optional second parameter which is the number of significant digits to display. FossilOrigin-Name: 2f9d4444aa503102a00d6e6769dadc57d4b26a2c07f145f23f2f28e0c161246d
* Change the (undocumented) dtostr() SQL function in the CLI so that it onlydrh2023-06-29
| | | | | | shows the first 26 significant digits - 10 more digits than are available in a 64-bit double. FossilOrigin-Name: d758859f6ab94ddb9b3ee6f6f5f24b16e2b7a7712761080cfc6540d68b5a0c97
* CLI enhancements to facilitate SQLite core testing:drh2023-06-29
| | | | | | | | (1) Add built-in functions strtod() and dtostr() that convert text to floating point and back using C-library routines. (2) Do not disable all of ".testctrl" without --unsafe-testing, but only those subcommands of .testctrl that are actually dangerous. FossilOrigin-Name: 669996a8ddcbf35f3de66cf466508fc1e6dd09ab269aba395ac86a11b2ec238c
* Enhance the SUM() aggregate (and related AVG() and TOTAL()) so that the runningdrh2023-06-28
|\ | | | | | | | | sum is accurate to about 100 bits. FossilOrigin-Name: a915f15a916af698e0cef46c8b3e7ed11bda19349179d2d414073cd39c4cce24
| * Use ideas from T. J. Dekker in "A Floating-Point Technique for Extending thedrh2023-06-26
| | | | | | | | | | | | Available Precision" (1971-07-26) to enhance the accuracy of the SUM() aggregate function in cases where input magnitudes vary wildly. FossilOrigin-Name: 439fc00fee62b4db3751860485e21a99cae4fd1f5d911b2c08651a1466245ecc
* | Improved accuracy of floating-point conversion constants as suggested bydrh2023-06-28
| | | | | | | | | | [forum:/info/598d32f6135c41c1|forum post 598d32f6135c41c1]. FossilOrigin-Name: 4943e8a1819e189747eefc414d02c0485e1620deff9cf92664295b21a8a9a83c
* | Fix CLI .sha3sum error message for keyword identifiers, reported in ↵larrybr2023-06-26
|/ | | | | [forum:/forumpost/7cbe081746dd|forum post 7cbe081746dd]. FossilOrigin-Name: 9d7813ddcf67f1256e7331c5f390cb122b3f7e35cf46e0b33b610216a5396a00
* Optimize the argument to the octet_length() function so that it does notdrh2023-06-22
| | | | | attempt to read content from disk. FossilOrigin-Name: 8b8ea4e3f52d96cc217bd1fb27ca4a83489ef1f250756ed2f790d1b0ee529a3a
* Merge recent trunk enhancements into the octet_length branch.drh2023-06-22
|\ | | | | FossilOrigin-Name: d35c214811aac7dec0000ca2aa77231f74a7963dd0c53cf25a65ade5ef0f8dc0
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