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* More progress towards a working #3691.Dominik Picheta2017-02-035-10/+23
* WIP: `as` with generics.Dominik Picheta2017-02-025-10/+21
* Fixes based on @Araq's feedback.Dominik Picheta2017-02-013-4/+5
* Fixes #3691.Dominik Picheta2017-02-014-19/+41
* WIP implementation of `except ExcType as ident` syntax. Refs #3691.Dominik Picheta2017-02-014-3/+82
* fix confusing line information for macros that produce errorsAraq2017-02-011-0/+1
* make tests on Windows greenAraq2017-01-312-2/+7
* testament: OS specific disablesAraq2017-01-312-1/+18
* allocator: fixes regression: get alignment right for small objectsAraq2017-01-311-0/+2
* make getThreadId() work on OSXAndreas Rumpf2017-01-311-2/+4
* another attempt to getThreadId work on Linuxaraq2017-01-311-1/+1
* make getThreadId() work on Linuxaraq2017-01-311-3/+6
* Merge branch 'devel' into another-channel-fixAraq2017-01-312-10/+5
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| * revert nim.cfg to version before b26e6e3 (#5306)Axel Pahl2017-01-311-8/+2
| * execute pdflatex in nonstopmode (#5305)flyx2017-01-311-2/+3
* | added a testcase for getThreadIdAraq2017-01-311-0/+5
* | make AVL tree node part of the memory regions; fixes hard to reproduce channe...Araq2017-01-311-1/+1
* | make AVL tree node part of the memory regions; fixes hard to reproduce channe...Araq2017-01-311-15/+15
* | added system.getThreadId for various OSes (untested)Araq2017-01-311-1/+31
* | dirty changes to Nim's memory tracker; requires cleanupsAraq2017-01-311-1/+6
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* fix the racy allocator properlyAndreas Rumpf2017-01-311-1/+1
* added test case; threadex example crashes nowAraq2017-01-304-2/+32
* fixes #5301Araq2017-01-303-44/+68
* niminst updatesAraq2017-01-301-0/+2
* finish.nim: yet another GCC detection problem fixedAraq2017-01-301-2/+3
* deprecated nativesockets.dealloc, use freeAddrInfo instead; fixed stdlib depr...Andreas Rumpf2017-01-306-33/+35
* Appveyor integration config (#5295)Eugene Kabanov2017-01-291-0/+75
* made nodecl implicit for vars in the js backend. (#5297)Michael Jendrusch2017-01-293-2/+15
* Merge branch 'devel' of github.com:nim-lang/Nim into develAndreas Rumpf2017-01-291-0/+2
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| * Travis: Use Ubuntu 14.04 instead of 12.04.Dominik Picheta2017-01-291-1/+3
* | another attempt to make travis greenAndreas Rumpf2017-01-291-1/+1
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* minor website improvementAndreas Rumpf2017-01-292-2/+2
* Another attempt to fix travis.Dominik Picheta2017-01-291-1/+1
* attempt to make travis green againAndreas Rumpf2017-01-291-1/+1
* Merge branch 'cheatfate-Fix5290_1' into develAndreas Rumpf2017-01-291-8/+11
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| * Merge branch 'Fix5290_1' of https://github.com/cheatfate/Nim into cheatfate-F...Andreas Rumpf2017-01-291-8/+11
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| * One more fix for #5290.cheatfate2017-01-281-8/+11
* | niminst: add some disabled code snippet I don't want to loseAraq2017-01-291-1/+9
* | devel version has to be oddAraq2017-01-291-1/+1
* | with dir with space regression againAraq2017-01-291-1/+1
* | Fixes install_*.nims scripts on Linux.Dominik Picheta2017-01-282-2/+2
* | fixes serious regression that was introduced in the handling of .compile pragmaAraq2017-01-282-10/+12
* | NSIS: Install to C:\Nim by default.Dominik Picheta2017-01-281-1/+1
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* make tests green againAndreas Rumpf2017-01-281-1/+1
* .compile pragma supports patterns and actionsAraq2017-01-284-103/+142
* Merge branch 'cheatfate-fix5290' into develAndreas Rumpf2017-01-276-82/+99
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| * Merge branch 'fix5290' of https://github.com/cheatfate/Nim into cheatfate-fix...Andreas Rumpf2017-01-276-82/+99
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| * Fix mistakecheatfate2017-01-271-2/+2
| * asyncdispatch exception memory leaks fixes.cheatfate2017-01-272-29/+41
| * Fix #5290.cheatfate2017-01-274-53/+58
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-08-16 05:20:32 +0000
"o">. # Rotating the axes can make the gradient change sign or stop changing sign # even as 3 points preserve fixed relative bearings to each other. fn draw-monotonic-bezier screen: (addr screen), x0: int, y0: int, x1: int, y1: int, x2: int, y2: int, color: int { var xx: int var yy: int var xy: int var sx: int var sy: int # sx = x2-x1 var tmp/eax: int <- copy x2 tmp <- subtract x1 copy-to sx, tmp # sy = y2-y1 tmp <- copy y2 tmp <- subtract y1 copy-to sy, tmp # xx = x0-x1 tmp <- copy x0 tmp <- subtract x1 copy-to xx, tmp # yy = y0-y1 tmp <- copy y0 tmp <- subtract y1 copy-to yy, tmp # cur = xx*sy - yy*sx var cur-f/xmm4: float <- convert xx { var sy-f/xmm1: float <- convert sy cur-f <- multiply sy-f var tmp2-f/xmm1: float <- convert yy var sx-f/xmm2: float <- convert sx tmp2-f <- multiply sx-f cur-f <- subtract tmp2-f } # if (xx*sx > 0) abort { tmp <- copy xx tmp <- multiply sx compare tmp, 0 break-if-<= abort "bezier: gradient of x changes sign" } # if (yy*sy > 0) abort { tmp <- copy yy tmp <- multiply sy compare tmp, 0 break-if-<= abort "bezier: gradient of y changes sign" } # swap P0 and P2 if necessary { # dist1 = sx*sx + sy*sy var dist1/ecx: int <- copy sx { dist1 <- multiply sx { break-if-not-overflow abort "bezier: overflow 1" } tmp <- copy sy tmp <- multiply sy { break-if-not-overflow abort "bezier: overflow 2" } dist1 <- add tmp } # dist2 = xx*xx + yy*yy var dist2/edx: int <- copy xx { dist2 <- multiply xx { break-if-not-overflow abort "bezier: overflow 3" } tmp <- copy yy tmp <- multiply yy { break-if-not-overflow abort "bezier: overflow 4" } dist2 <- add tmp } # if (dist1 <= dist2) break compare dist1, dist2 break-if-<= # swap x0 and x2 tmp <- copy x0 copy-to x2, tmp tmp <- copy sx tmp <- add x1 copy-to x0, tmp # swap y0 and y2 tmp <- copy y0 copy-to y2, tmp tmp <- copy sy tmp <- add y1 copy-to y0, tmp # cur = -cur var negative-1/eax: int <- copy -1 var negative-1-f/xmm1: float <- convert negative-1 cur-f <- multiply negative-1-f } var x/ecx: int <- copy x0 var y/edx: int <- copy y0 var zero-f: float # plot a curved part if necessary $draw-monotonic-bezier:curve: { compare cur-f, zero-f break-if-= # xx += sx tmp <- copy sx add-to xx, tmp # sx = sgn(x2-x) tmp <- copy x2 tmp <- subtract x tmp <- sgn tmp copy-to sx, tmp # xx *= sx tmp <- copy sx tmp <- multiply xx copy-to xx, tmp # yy += sy tmp <- copy sy add-to yy, tmp # sy = sgn(y2-y) tmp <- copy y2 tmp <- subtract y tmp <- sgn tmp copy-to sy, tmp # yy *= sy tmp <- copy sy tmp <- multiply yy copy-to yy, tmp # xy = 2*xx*xy tmp <- copy xx tmp <- multiply yy { break-if-not-overflow abort "bezier: overflow 5" } tmp <- shift-left 1 { break-if-not-overflow abort "bezier: overflow 6" } copy-to xy, tmp # xx *= xx tmp <- copy xx tmp <- multiply tmp { break-if-not-overflow abort "bezier: overflow 7" } copy-to xx, tmp # yy *= yy tmp <- copy yy tmp <- multiply tmp { break-if-not-overflow abort "bezier: overflow 7" } copy-to yy, tmp # if (cur*sx*sy < 0) negative curvature { var tmp-f/xmm0: float <- copy cur-f var sx-f/xmm1: float <- convert sx tmp-f <- multiply sx-f var sy-f/xmm1: float <- convert sy tmp-f <- multiply sy-f compare tmp-f, zero-f break-if-float>= # negate xx negate yy negate xy # cur = -cur var negative-1/eax: int <- copy -1 var negative-1-f/xmm1: float <- convert negative-1 cur-f <- multiply negative-1-f } var four/ebx: int <- copy 4 var dx-f/xmm5: float <- convert four var dy-f/xmm6: float <- convert four # dx = 4*sy*cur*(x1-x0) + xx - xy { var tmp/xmm0: float <- convert sy dx-f <- multiply tmp dx-f <- multiply cur-f tmp <- convert x1 var tmp2/xmm3: float <- convert x tmp <- subtract tmp2 dx-f <- multiply tmp tmp <- convert xx dx-f <- add tmp tmp <- convert xy dx-f <- subtract tmp } # dy-f = 4*sx*cur*(y0-y1) + yy - xy { var tmp/xmm0: float <- convert sx dy-f <- multiply tmp dy-f <- multiply cur-f tmp <- convert y var tmp2/xmm3: float <- convert y1 tmp <- subtract tmp2 dy-f <- multiply tmp tmp <- convert yy dy-f <- add tmp tmp <- convert xy dy-f <- subtract tmp } # xx += xx tmp <- copy xx add-to xx, tmp # yy += yy tmp <- copy yy add-to yy, tmp # err = dx+dy+xy var err-f/xmm7: float <- copy dx-f err-f <- add dy-f var xy-f/xmm0: float <- convert xy err-f <- add xy-f # $draw-monotonic-bezier:loop: { pixel screen, x, y, color # if (x == x2 && y == y2) return { compare x, x2 break-if-!= compare y, y2 break-if-!= return } # perform-y-step? = (2*err < dx) var perform-y-step?/eax: boolean <- copy 0/false var two-err-f/xmm0: float <- copy err-f { var two/ebx: int <- copy 2 var two-f/xmm1: float <- convert two two-err-f <- multiply two-f compare two-err-f, dx-f break-if-float>= perform-y-step? <- copy 1/true } # if (2*err > dy) { compare two-err-f, dy-f break-if-float<= # x += sx x <- add sx # dx -= xy var xy-f/xmm0: float <- convert xy dx-f <- subtract xy-f # dy += yy var yy-f/xmm0: float <- convert yy dy-f <- add yy-f # err += dy err-f <- add dy-f } # if perform-y-step? { compare perform-y-step?, 0/false break-if-= # y += sy y <- add sy # dy -= xy var xy-f/xmm0: float <- convert xy dy-f <- subtract xy-f # dx += xx var xx-f/xmm0: float <- convert xx dx-f <- add xx-f # err += dx err-f <- add dx-f } # if (dy < dx) loop compare dy-f, dx-f loop-if-float< } } # plot the remaining straight line draw-line screen, x y, x2 y2, color } # 0 <= u <= 1 fn bezier-point u: float, x0: int, x1: int, x2: int -> _/eax: int { var one/eax: int <- copy 1 var u-prime/xmm0: float <- convert one u-prime <- subtract u var result/xmm1: float <- convert x0 result <- multiply u-prime result <- multiply u-prime var term2/xmm2: float <- convert x1 term2 <- multiply u term2 <- multiply u-prime result <- add term2 result <- add term2 var term3/xmm2: float <- convert x2 term3 <- multiply u term3 <- multiply u result <- add term3 var result/eax: int <- convert result return result }
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-08-16 05:20:32 +0000