linalg .toString with precision arg

src/mol-math/linear-algebra/3d/quat.ts

@@ -435,6 +435,10 @@ namespace Quat {
 
         return normalize(out, Quat.fromMat3(out, axesTmpMat));
     }
+
+    export function toString(a: Quat, precision?: number) {
+        return `[${a[0].toPrecision(precision)} ${a[1].toPrecision(precision)} ${a[2].toPrecision(precision)}  ${a[3].toPrecision(precision)}]`;
+    }
 }
 
 export default Quat
\ No newline at end of file

src/mol-math/linear-algebra/3d/vec2.ts

@@ -166,6 +166,10 @@ namespace Vec2 {
     export function areEqual(a: Vec2, b: Vec2) {
         return a[0] === b[0] && a[1] === b[1];
     }
+
+    export function toString(a: Vec2, precision?: number) {
+        return `[${a[0].toPrecision(precision)} ${a[1].toPrecision(precision)}}]`;
+    }
 }
 
 export default Vec2
\ No newline at end of file

src/mol-math/linear-algebra/3d/vec3.ts

@@ -19,7 +19,7 @@
 
 import Mat4 from './mat4';
 import { Quat, Mat3, EPSILON } from '../3d';
-import { spline as _spline, clamp } from '../../interpolate'
+import { spline as _spline, quadraticBezier as _quadraticBezier, clamp } from '../../interpolate'
 import { NumberArray } from '../../../mol-util/type-helpers';
 
 interface Vec3 extends Array<number> { [d: number]: number, '@type': 'vec3', length: 3 }
@@ -344,6 +344,14 @@ namespace Vec3 {
         return out;
     }
 
+    export function quadraticBezier(out: Vec3, a: Vec3, b: Vec3, c: Vec3, t: number) {
+        out[0] = _quadraticBezier(a[0], b[0], c[0], t);
+        out[1] = _quadraticBezier(a[1], b[1], c[1], t);
+        out[2] = _quadraticBezier(a[2], b[2], c[2], t);
+
+        return out;
+    }
+
     /**
      * Performs a spline interpolation with two control points and a tension parameter
      */
@@ -525,8 +533,8 @@ namespace Vec3 {
         return normalize(out, cross(out, triangleNormalTmpAB, triangleNormalTmpAC));
     }
 
-    export function toString(a: Vec3) {
-        return `[${a[0]} ${a[1]} ${a[2]}]`;
+    export function toString(a: Vec3, precision?: number) {
+        return `[${a[0].toPrecision(precision)} ${a[1].toPrecision(precision)} ${a[2].toPrecision(precision)}]`;
     }
 }
 

src/mol-math/linear-algebra/3d/vec4.ts

@@ -225,6 +225,10 @@ namespace Vec4 {
                 Math.abs(a2 - b2) <= EPSILON.Value * Math.max(1.0, Math.abs(a2), Math.abs(b2)) &&
                 Math.abs(a3 - b3) <= EPSILON.Value * Math.max(1.0, Math.abs(a3), Math.abs(b3)));
     }
+
+    export function toString(a: Vec4, precision?: number) {
+        return `[${a[0].toPrecision(precision)} ${a[1].toPrecision(precision)} ${a[2].toPrecision(precision)}  ${a[3].toPrecision(precision)}]`;
+    }
 }
 
 export default Vec4
\ No newline at end of file