Skip to content

feat: Mat.inv() #669

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
justadudewhohacks merged 1 commit into from
Dec 1, 2019
Merged

feat: Mat.inv() #669

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions cc/core/coreUtils.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,7 @@
Nan::SetPrototypeMethod(ctor, "bitwiseXor", BitwiseXor); \
Nan::SetPrototypeMethod(ctor, "abs", Abs); \
Nan::SetPrototypeMethod(ctor, "transpose", Transpose); \
Nan::SetPrototypeMethod(ctor, "inv", Inv); \
Nan::SetPrototypeMethod(ctor, "determinant", Determinant);\
Nan::SetPrototypeMethod(ctor, "matMul", MatMul);

Expand Down Expand Up @@ -157,6 +158,9 @@
static NAN_METHOD(Transpose) { \
FF_SELF_OPERATOR(cv::transpose); \
} \
static NAN_METHOD(Inv) { \
FF_SELF_OPERATOR(cv::invert); \
} \
static NAN_METHOD(MatMul) { \
FF_OPERATOR(*, FF_APPLY_OPERATOR, Mat, "MatMul"); \
}
Expand Down
1 change: 1 addition & 0 deletions lib/typings/Mat.d.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,7 @@ export class Mat {
inRangeAsync(lower: Vec3, upper: Vec3): Promise<Mat>;
integral(sdepth?: number, sqdepth?: number): { sum: Mat, sqsum: Mat, tilted: Mat };
integralAsync(sdepth?: number, sqdepth?: number): Promise<{ sum: Mat, sqsum: Mat, tilted: Mat }>;
inv(): Mat;
laplacian(ddepth: number, ksize?: number, scale?: number, delta?: number, borderType?: number): Mat;
laplacianAsync(ddepth: number, ksize?: number, scale?: number, delta?: number, borderType?: number): Promise<Mat>;
matMul(B: Mat): Mat;
Expand Down
19 changes: 19 additions & 0 deletions test/tests/core/Mat/operatorTests.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ module.exports = function ({ cv, utils }) {
const {
assertError,
assertDataDeepEquals,
assertDataAlmostDeepEquals,
assertMetaData
} = utils;

Expand Down Expand Up @@ -353,7 +354,25 @@ module.exports = function ({ cv, utils }) {
assertDataDeepEquals(res.getDataAsArray(), expectedResult);
});
});

describe('inv', () => {
it('apply inverse to matrix', () => {
const mat0 = new cv.Mat([
[4, 7],
[2, 6]
], cv.CV_32F);
const expectedResult = [
[0.6, -0.7],
[-0.2, 0.4]
];

const res = mat0.inv();
assertMetaData(res)(2, 2, cv.CV_32F);

assertDataAlmostDeepEquals(res.getDataAsArray(), expectedResult);
});
});

describe('matMul', () => {
operatorRequiresArg('matMul');

Expand Down