 Sam Hocevar
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c9aa11c9e3
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test: start writing tutorials and other shit.
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13 years ago |
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Sam Hocevar
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804f6684b5
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scene: try to disable all activated GL features in the scene rendering.
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13 years ago |
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Sam Hocevar
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4a16c072f2
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core: new combinations of integer vectors (unsigned, 8-bit, etc.), dot and
cross product, normalize, etc.
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13 years ago |
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Sam Hocevar
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8deb365040
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core: write a generic application class.
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13 years ago |
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Sam Hocevar
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71844c65bb
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core: port everything to SDL 1.3.
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13 years ago |
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Sam Hocevar
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e62b840f7e
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build: allow to build without the PS3-specific files.
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13 years ago |
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Sam Hocevar
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6767dae741
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core: disallow casting eg. a vec3 into a vec2. Use the xy() getter instead.
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13 years ago |
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Sam Hocevar
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973574f634
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sprite: remove spurious property that caused sprites to be always displayed
at (0,0).
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13 years ago |
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Sam Hocevar
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c508dc2a4a
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core: dynamically allocate mantissa for real numbers. One day we'll be able
to modify their precision at runtime.
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13 years ago |
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Sam Hocevar
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94160c461c
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test: minor fixes to the test suite: disable optimisation tests in debug
mode, and do not call "new" when we’re not sure "delete" can be called.
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13 years ago |
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Sam Hocevar
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7af192f529
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test: minor Remez algorithm tests.
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13 years ago |
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Sam Hocevar
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4e4e800572
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core: implement the gamma function for reals using Spouge's formula.
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13 years ago |
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Sam Hocevar
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fcbfba7a44
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build: use xvfb-run to run the windows-i386 test suite on a non-mingw
build host.
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13 years ago |
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Sam Hocevar
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b6b8044442
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core: implement frexp(), ldexp() and modf() for reals.
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13 years ago |
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Sam Hocevar
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b354e17ef3
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core: implement log10, sinh and cosh for real numbers.
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13 years ago |
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Sam Hocevar
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1280301f27
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core: implement pow() for real numbers; for now special cases such as
negative zero or negative nth roots are not handled.
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13 years ago |
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Sam Hocevar
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a66fc123c1
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core: fix a bug in real::log() and real::log2() with values smaller than 1.
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13 years ago |
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Sam Hocevar
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4041166c56
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core: improve sin() and exp() performance by replacing divisions with
multiplications where appropriate.
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13 years ago |
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Sam Hocevar
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2235e9c180
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core: implement real methods cbrt(), log2(), exp2(), and copysign().
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13 years ago |
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Sam Hocevar
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efafb640b7
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core: implement tan() for real numbers.
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13 years ago |
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Sam Hocevar
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5d9167bda0
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core: fix an accuracy error in real::re() and real::sqrt() introduced in
the 16-to-32-bit refactoring.
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13 years ago |
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Sam Hocevar
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9ff54f59e3
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core: encode real numbers using uint32_t rather than uint16_t.
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13 years ago |
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Sam Hocevar
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79a15eafd8
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test: random useless crap.
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13 years ago |
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Sam Hocevar
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1d0797efa5
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test: various improvements to the Remez exchange solver.
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13 years ago |
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Sam Hocevar
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66a2ee6a40
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core: remove most dependencies on real number size in the various math
functions.
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13 years ago |
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Sam Hocevar
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bfb5de1681
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test: more Remez exchange experimentations.
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13 years ago |
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Sam Hocevar
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3391a4c904
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test: more Remez exchange experimentations.
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13 years ago |
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Sam Hocevar
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2ff9183c8c
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test: allow to perform Remez solving on an arbitrary range.
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13 years ago |
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Sam Hocevar
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57510be2b0
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test: some refactoring in the Remez solver to prepare multiple function
solving.
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13 years ago |
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Sam Hocevar
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7aac9df337
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test: add missing <cstdio> include in pi test program.
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13 years ago |
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Sam Hocevar
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6b80bc9d09
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test: use namespace "std" to avoid PS3 build errors.
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13 years ago |
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Sam Hocevar
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3282cf30bb
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core: replace the cos(real) implementation with a simple call to
sin(pi/2-x). No loss in precision in theory.
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13 years ago |
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Sam Hocevar
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123f903065
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test: add support for relative error in the Remez exchange test program.
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13 years ago |
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Sam Hocevar
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b7fa88e210
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real: constrain sin() and cos() on real numbers so that they work properly
with large values. Until now they were evaluating the Taylor series even
for huge values.
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13 years ago |
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Sam Hocevar
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c5c4913bda
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core: implement round() and fmod() for real numbers.
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13 years ago |
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Sam Hocevar
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064856b443
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core: implement floor() and ceil() for real numbers.
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13 years ago |
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Sam Hocevar
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221f469c3f
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core: implement asin() and acos() for real numbers and add unit tests for
these functions.
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13 years ago |
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Sam Hocevar
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d9cb8f2961
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core: fix an accuracy error in sqrt() for arguments < 1.0.
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13 years ago |
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Sam Hocevar
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f5019d3930
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core: implement atan() for real numbers.
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13 years ago |
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Sam Hocevar
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bbd75b80eb
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core: add real constants for 0, 1, 2 and 10, and reorder static constants
so that their initialisation order ensures they have the proper values. Add
unit tests for these constants.
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13 years ago |
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Sam Hocevar
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1ffa994f4b
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core: add boolean operators on real numbers, add unit tests for that,
and simplify the Remez code accordingly.
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13 years ago |
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Sam Hocevar
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6d85192ee6
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test: minor updates to the Pi program (now almost deprecated) and the
Remez exchange program.
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13 years ago |
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Sam Hocevar
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8f400b6364
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core: create global real number variables such as R_E, R_PI, R_LN2 etc.
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13 years ago |
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Sam Hocevar
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4822f02d8d
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core: implement shift operators for reals; they're useful for fast
multiplications by integers, especially powers of two.
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13 years ago |
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Sam Hocevar
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ab03cdb118
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core: improve exp() on reals: faster (constant time) and a lot more
accurate.
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13 years ago |
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Sam Hocevar
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f62946fc7b
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core: implement log() for real numbers, and start documenting our next
improved implementation of exp(), which relies on log().
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13 years ago |
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Sam Hocevar
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93162ee19b
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test: the Remez algorithm is now almost functional.
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13 years ago |
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Sam Hocevar
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593aa3af70
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core: implement sin(), cos() and abs() for reals and fix a crash in the
addition and subtraction operators occurring when exponents were too
different.
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13 years ago |
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Sam Hocevar
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afd2cfd69d
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test: more work on the Remez exchange algorithm.
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13 years ago |
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Sam Hocevar
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c0edb49ed6
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core: add exp() for real numbers and fix the == operator.
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13 years ago |
