mod.js

// Copyright (c) 2022 The Stdlib Authors. License is Apache-2.0: http://www.apache.org/licenses/LICENSE-2.0
/// <reference types="./mod.d.ts" />
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br(){return{throw:1,clamp:2,wrap:3}}v(wr,"enum",br);var vr={bool:0,int8:1,uint8:2,uint8c:3,int16:4,uint16:5,int32:6,uint32:7,int64:8,uint64:9,float32:10,float64:11,complex64:12,complex128:13,binary:14,generic:15,notype:17,userdefined_type:256},Er={"row-major":1,"column-major":2},_r={throw:1,clamp:2,wrap:3};var Ar=new ge(8),Tr=new Ce(Ar.buffer);function xr(t,e,r,n){var i,o,a;if(0===t){for(a=0;a<Ar.length;a++)e[n]=0,n+=r;return e}for(o=(4294967295&t)>>>0,i=nt(t/4294967296),_e?(Tr.setUint32(0,o,_e),Tr.setUint32(4,i,_e)):(Tr.setUint32(0,i,_e),Tr.setUint32(4,o,_e)),a=0;a<Ar.length;a++)e[n]=Ar[a],n+=r;return e}v((function(t){var e,r,n,i;return e=new ge(8),0===t||(i=(4294967295&t)>>>0,n=nt(t/4294967296),r=new Ce(e.buffer),_e?(r.setUint32(0,i,_e),r.setUint32(4,n,_e)):(r.setUint32(0,n,_e),r.setUint32(4,i,_e))),e}),"assign",xr);var Or={bool:0,int8:1,uint8:2,uint8c:3,int16:4,uint16:5,int32:6,uint32:7,int64:8,uint64:9,float32:10,float64:11,complex64:12,complex128:13,binary:14,generic:15,notype:17,userdefined_type:256},Rr={"row-major":1,"column-major":2},jr={throw:1,clamp:2,wrap:3};function Ir(t,e,r,n,i,o){var a,u,f,s,l;if(!(this instanceof Ir))return new Ir(t,e,r,n,i,o);for(s=1,l=0;l<r.length;l++)s*=r[l];return u=e.BYTES_PER_ELEMENT?e.BYTES_PER_ELEMENT*s:null,this._byteLength=u,this._bytesPerElement=function(t){return gt[t]||null}(t),this._buffer=e,this._dtype=t,this._length=s,this._ndims=r.length,this._offset=i,this._order=o,this._shape=r,this._strides=n,this._accessors=Boolean(e.get&&e.set),this._iterationOrder=function(t){var e,r;for(e=0,r=0;r<t.length;r++)t[r]<0&&(e+=1);return 0===e?1:e===t.length?-1:0}(n),a=function(t,e,r,n,i){var o;return 0!==t&&0!==i&&t===(o=bt(e,r,n))[1]-o[0]+1}(s,r,n,i,this._iterationOrder),f=mt(n),this._flags={ROW_MAJOR_CONTIGUOUS:wt(f,a),COLUMN_MAJOR_CONTIGUOUS:dt(f,a),READONLY:!1},this.__meta_dataview__=null,this}function Sr(t){return t instanceof Ir||null!==t&&"object"==typeof t&&"object"==typeof t.data&&"object"==typeof t.shape&&"object"==typeof t.strides&&"number"==typeof t.offset&&"string"==typeof t.order&&"number"==typeof t.ndims&&"string"==typeof t.dtype&&"number"==typeof t.length&&"object"==typeof t.flags&&"function"==typeof t.get&&"function"==typeof t.set}function Ur(t,e){return"column-major"===e?function(t){var e,r,n;for(e=[],r=1,n=0;n<t.length;n++)e.push(r),r*=t[n];return e}(t):function(t){var e,r,n,i;for(e=t.length,r=[],i=0;i<e;i++)r.push(0);for(n=1,i=e-1;i>=0;i--)r[i]=n,n*=t[i];return r}(t)}function Lr(t,e){var r,n,i;for(n=t.length,r=0,i=0;i<n;i++)e[i]<0&&(r-=e[i]*(t[i]-1));return r}function Br(t){var e,r,n;if(0===(e=t.length))return 0;for(r=1,n=0;n<e;n++)r*=t[n];return r}v(Ir,"name","ndarray"),pt(Ir.prototype,"byteLength",(function(){return this._byteLength})),pt(Ir.prototype,"BYTES_PER_ELEMENT",(function(){return this._bytesPerElement})),pt(Ir.prototype,"data",(function(){return this._buffer})),pt(Ir.prototype,"dtype",(function(){return this._dtype})),pt(Ir.prototype,"flags",(function(){return{ROW_MAJOR_CONTIGUOUS:(t=this._flags).ROW_MAJOR_CONTIGUOUS,COLUMN_MAJOR_CONTIGUOUS:t.COLUMN_MAJOR_CONTIGUOUS,READONLY:t.READONLY};var t})),pt(Ir.prototype,"length",(function(){return this._length})),pt(Ir.prototype,"ndims",(function(){return this._ndims})),pt(Ir.prototype,"offset",(function(){return this._offset})),pt(Ir.prototype,"order",(function(){return this._order})),pt(Ir.prototype,"shape",(function(){return this._shape.slice()})),pt(Ir.prototype,"strides",(function(){return this._strides.slice()})),v(Ir.prototype,"get",(function(){var t,e;for(t=this._offset,e=0;e<arguments.length;e++)t+=this._strides[e]*arguments[e];return this._accessors?this._buffer.get(t):this._buffer[t]})),v(Ir.prototype,"iget",(function(t){var e,r,n,i,o,a;if(0===(n=this._ndims))return this._accessors?this._buffer.get(this._offset):this._buffer[this._offset];if(this._flags.ROW_MAJOR_CONTIGUOUS||this._flags.COLUMN_MAJOR_CONTIGUOUS){if(1===this._iterationOrder)return this._accessors?this._buffer.get(this._offset+t):this._buffer[this._offset+t];if(-1===this._iterationOrder)return this._accessors?this._buffer.get(this.offset-t):this._buffer[this._offset-t]}if(r=this._shape,e=this._strides,i=this._offset,"column-major"===this._order){for(a=0;a<n;a++)t-=o=t%r[a],t/=r[a],i+=o*e[a];return this._accessors?this._buffer.get(i):this._buffer[i]}for(a=n-1;a>=0;a--)t-=o=t%r[a],t/=r[a],i+=o*e[a];return this._accessors?this._buffer.get(i):this._buffer[i]})),v(Ir.prototype,"set",(function(){var t,e;for(t=this._offset,e=0;e<arguments.length-1;e++)t+=this._strides[e]*arguments[e];return this._accessors?this._buffer.set(arguments[e],t):this._buffer[t]=arguments[e],this})),v(Ir.prototype,"iset",(function(t,e){var r,n,i,o,a,u;if(0===(i=this._ndims))return this._accessors?this._buffer.set(t,this._offset):this._buffer[this._offset]=t,this;if(this._flags.ROW_MAJOR_CONTIGUOUS||this._flags.COLUMN_MAJOR_CONTIGUOUS){if(1===this._iterationOrder)return this._accessors?this._buffer.set(e,this._offset+t):this._buffer[this._offset+t]=e,this;if(-1===this._iterationOrder)return this._accessors?this._buffer.set(e,this._offset-t):this._buffer[this._offset-t]=e,this}if(n=this._shape,r=this._strides,o=this._offset,"column-major"===this._order){for(u=0;u<i;u++)t-=a=t%n[u],t/=n[u],o+=a*r[u];return this._accessors?this._buffer.set(e,o):this._buffer[o]=e,this}for(u=i-1;u>=0;u--)t-=a=t%n[u],t/=n[u],o+=a*r[u];return this._accessors?this._buffer.set(e,o):this._buffer[o]=e,this})),v(Ir.prototype,"toString",(function(){var t,e,r,n,i,o;if(e=this._shape.length,r="ndarray( '"+(n=this._dtype)+"', ",t="",this._length<=100)if("complex64"===n||"complex128"===n)for(o=0;o<this._length;o++)t+=vt(i=this.iget(o))+", "+Et(i),o<this._length-1&&(t+=", ");else for(o=0;o<this._length;o++)t+=this.iget(o),o<this._length-1&&(t+=", ");else{if("complex64"===n||"complex128"===n)for(o=0;o<3;o++)t+=vt(i=this.iget(o))+", "+Et(i),o<2&&(t+=", ");else for(o=0;o<3;o++)t+=this.iget(o),o<2&&(t+=", ");if(t+=", ..., ","complex64"===n||"complex128"===n)for(o=2;o>=0;o--)t+=vt(i=this.iget(this._length-1-o))+", "+Et(i),o>0&&(t+=", ");else for(o=2;o>=0;o--)t+=this.iget(this._length-1-o),o>0&&(t+=", ")}if(r+=fe(se[this.dtype],"{{data}}",t),r+=", ",r+=0===e?"[]":"[ "+this._shape.join(", ")+" ]",r+=", ",r+="[ ",0===e)r+="0";else for(o=0;o<e;o++)this._strides[o]<0?r+=-this._strides[o]:r+=this._strides[o],o<e-1&&(r+=", ");return r+=" ]",r+=", ",r+="0",r+=", ",r+="'"+this._order+"'",r+=" )"})),v(Ir.prototype,"toJSON",(function(){var t,e,r,n;for(e=this._length,(t={}).type="ndarray",t.dtype=this.dtype,t.flags={READONLY:this._flags.READONLY},t.order=this._order,t.shape=this._shape.slice(),t.strides=this._strides.slice(),n=0;n<e;n++)t.strides[n]<0&&(t.strides[n]*=-1);if(t.data=[],"complex64"===t.dtype||"complex128"===t.dtype)for(n=0;n<e;n++)r=this.iget(n),t.data.push(vt(r),Et(r));else for(n=0;n<e;n++)t.data.push(this.iget(n));return t})),v(Ir.prototype,"__array_meta_dataview__","function"==typeof ht.BigInt&&"function"==typeof BigInt&&"bigint"==typeof ht.BigInt("1")&&"bigint"==typeof BigInt("1")?function(){var t,e,r,n,i,o,a,u,f,s,l,c,h,p;if(f=this._mode||"throw",a=this._submode||[f],r=33+16*(c=this._ndims)+(h=a.length),(u=this.__meta_dataview__)&&u.byteLength===r)return u;for(u=new Ce(new Be(r)),i=this._shape,o=this._strides,n=this._dtype,t=this._bytesPerElement,s=0,u.setInt8(s,_e?1:0),s+=1,u.setInt16(s,vr[n],_e),s+=2,u.setBigInt64(s,Ne(c),_e),l=8*c,s+=8,p=0;p<c;p++)u.setBigInt64(s,Ne(i[p]),_e),u.setBigInt64(s+l,Ne(o[p]*t),_e),s+=8;for(s+=l,u.setBigInt64(s,Ne(this._offset*t),_e),s+=8,u.setInt8(s,Er[this._order]),s+=1,u.setInt8(s,_r[f]),s+=1,u.setBigInt64(s,Ne(h),_e),s+=8,p=0;p<h;p++)u.setInt8(s,_r[a[p]]),s+=1;return e=0,e|=this._flags.READONLY?4:0,u.setInt32(s,e,_e),this.__meta_dataview__=u,u}:function(){var t,e,r,n,i,o,a,u,f,s,l,c,h,p,g;if(s=this._mode||"throw",u=this._submode||[s],n=33+16*(h=this._ndims)+(p=u.length),(f=this.__meta_dataview__)&&f.byteLength===n)return f;for(f=new Ce(new Be(n)),e=new ge(f.buffer),o=this._shape,a=this._strides,i=this._dtype,t=this._bytesPerElement,l=0,f.setInt8(l,_e?1:0),l+=1,f.setInt16(l,Or[i],_e),xr(h,e,1,l+=2),c=8*h,l+=8,g=0;g<h;g++)xr(o[g],e,1,l),xr(a[g]*t,e,1,l+c),l+=8;for(l+=c,xr(this._offset*t,e,1,l),l+=8,f.setInt8(l,Rr[this._order]),l+=1,f.setInt8(l,jr[s]),xr(p,e,1,l+=1),l+=8,g=0;g<p;g++)f.setInt8(l,jr[u[g]]),l+=1;return r=0,r|=this._flags.READONLY?4:0,f.setInt32(l,r,_e),this.__meta_dataview__=f,f}),v(Ur,"assign",(function(t,e,r){return"column-major"===e?function(t,e){var r,n;for(r=1,n=0;n<t.length;n++)e[n]=r,r*=t[n];return e}(t,r):function(t,e){var r,n;for(r=1,n=t.length-1;n>=0;n--)e[n]=r,r*=t[n];return e}(t,r)}));function Pr(t){if("function"!=typeof t)throw new TypeError("invalid argument. Must provide a function. Value: `"+t+"`.");return function(e){var r,n;if(!function(t){return null!=t&&"function"!=typeof t&&"number"==typeof t.length&&it(t.length)&&t.length>=0&&t.length<=4294967295}(e))return!1;if(0===(r=e.length))return!1;for(n=0;n<r;n++)if(!1===t(e[n]))return!1;return!0}}var Vr=Pr(ct.isPrimitive),Mr=Pr(ct.isObject),kr=Pr(ct);v(kr,"primitives",Vr),v(kr,"objects",Mr);var Cr=Pr(ft.isPrimitive),Nr=Pr(ft.isObject),Yr=Pr(ft);v(Yr,"primitives",Cr),v(Yr,"objects",Nr);var Fr=yr(),Dr=Fr.length;function zr(t){var e;for(e=0;e<Dr;e++)if(t===Fr[e])return!0;return!1}var Gr=Fe(),Wr=Gr.length;function $r(t){var e;for(e=0;e<Wr;e++)if(t===Gr[e])return!0;return!1}function Jr(t,e,r,n){var i=bt(e,r,n);return i[0]>=0&&i[1]<t}function Xr(t){var e=typeof t;return null===t||"object"!==e&&"function"!==e?new TypeError("invalid argument. A provided constructor must be either an object (except null) or a function. Value: `"+t+"`."):null}var qr=Object.create;function Zr(){}var Hr="function"==typeof qr?qr:function(t){return Zr.prototype=t,new Zr};var Kr="throw",Qr=!1;function tn(t,e,r){if("clamp"===r)return function(t,e){return t<0?0:t>e?e:t}(t,e);if("wrap"===r)return function(t,e){var r=e+1;return t<0?((t+=r)<0&&0!=(t%=r)&&(t+=r),t):t>e?((t-=r)>e&&(t%=r),t):t}(t,e);if(t<0||t>e)throw new RangeError("invalid argument. Index must be on the interval: [0,"+e+"]. Value: `"+t+"`.");return t}var en=Ir.prototype.iget;var rn=Ir.prototype.iset;function nn(t,e){var r,n;for(r=[],n=0;n<e;n++)r.push(t[n]);return r}var on=wr(),an=on.length;function un(t){var e;for(e=0;e<an;e++)if(t===on[e])return!0;return!1}function fn(t,r){var n;if(!X(r))return new TypeError("invalid argument. Options must be an object. Value: `"+r+"`.");if(e(r,"mode")&&(t.mode=r.mode,!un(t.mode)))return new TypeError("invalid option. `mode` option must be a recognized mode. Option: `"+t.mode+"`.");if(e(r,"submode")){if(t.submode=r.submode,!u(t.submode))return new TypeError("invalid option. `submode` option must be an array containing recognized modes. Option: `"+t.submode+"`.");if(0===t.submode.length)return new TypeError("invalid option. `submode` option must be an array containing recognized modes. Option: `"+t.submode.join(",")+"`.");for(n=0;n<t.submode.length;n++)if(!un(t.submode[n]))return new TypeError("invalid option. Each `submode` must be a recognized modes. Option: `"+t.submode[n]+"`.");t.submode=t.submode.slice()}return e(r,"readonly")&&(t.readonly=r.readonly,!E(t.readonly))?new TypeError("invalid option. `readonly` option must be a boolean. Option: `"+t.readonly+"`."):null}function sn(t,e,r,n,i,o,a){var u,f,s,l,c;if(!(this instanceof sn))return arguments.length<7?new sn(t,e,r,n,i,o):new sn(t,e,r,n,i,o,a);if(!$r(t))throw new TypeError("invalid argument. `dtype` argument must be a supported ndarray data type. Value: `"+t+"`.");if(!or(e))throw new TypeError("invalid argument. `buffer` argument must be an array-like object, typed-array-like, or a Buffer. Value: `"+e+"`.");if(e.get&&e.set&&(!D(e.get)||!D(e.set)))throw new TypeError("invalid argument. `buffer` argument `get` and `set` properties must be functions. Value: `"+e+"`.");if(!Vr(r)&&(!or(r)||r.length>0))throw new TypeError("invalid argument. `shape` argument must be an array-like object containing nonnegative integers. Value: `"+r+"`.");if((u=r.length)>32767)throw new RangeError("invalid argument. Number of dimensions must not exceed 32767 due to stack limits. Value: `"+u+"`.");if(!Cr(n))throw new TypeError("invalid argument. `strides` argument must be an array-like object containing integers. Value: `"+n+"`.");if(u>0){if(n.length!==u)throw new RangeError("invalid argument. `strides` argument length must match the number of dimensions. Expected number of dimensions: "+u+". Strides length: "+n.length+".")}else{if(1!==n.length)throw new RangeError("invalid argument. `strides` length must be equal to 1 when creating a zero-dimensional ndarray.");if(0!==n[0])throw new RangeError("invalid argument. `strides` argument must contain a single element equal to `0`. Value: `"+n[0]+"`.")}if(!st(i))throw new TypeError("invalid argument. `offset` argument must be a nonnegative integer. Value: `"+i+"`.");if(!zr(o))throw new TypeError("invalid argument. `order` argument must be a supported order. Value: `"+o+"`.");if(u>0&&!Jr(e.length,r,n,i)&&Br(r)>0)throw new Error("invalid arguments. The input buffer is incompatible with the specified meta data. Ensure that the offset is valid with regard to the strides array and that the buffer has enough elements to satisfy the desired array shape.");if((f={}).mode=Kr,f.readonly=Qr,arguments.length>6&&(s=fn(f,a)))throw s;return this._mode=f.mode,void 0===f.submode&&(f.submode=[this._mode]),this._submode=f.submode,l=nn(r,u),c=nn(n,u||1),Ir.call(this,t,e,l,c,i,o),this._flags.READONLY=f.readonly,this}!function(t,e){var r=Xr(t);if(r)throw r;if(r=Xr(e))throw r;if(void 0===e.prototype)throw new TypeError("invalid argument. Second argument must have a prototype from which another object can inherit. Value: `"+e.prototype+"`.");t.prototype=Hr(e.prototype),b(t.prototype,"constructor",{configurable:!0,enumerable:!1,writable:!0,value:t})}(sn,Ir),v(sn,"name","ndarray"),v(sn.prototype,"get",(function(){var t,e,r,n;if(arguments.length!==this._ndims)throw new RangeError("invalid arguments. Number of indices must match the number of dimensions. ndims: "+this._ndims+". nargs: "+arguments.length+".");for(t=this._offset,r=this._submode.length,n=0;n<arguments.length;n++){if(!at(arguments[n]))throw new TypeError("invalid argument. Indices must be integer valued. Argument: "+n+". Value: `"+arguments[n]+"`.");e=tn(arguments[n],this._shape[n]-1,this._submode[n%r]),t+=this._strides[n]*e}return this._accessors?this._buffer.get(t):this._buffer[t]})),v(sn.prototype,"iget",(function(t){if(this._ndims>0){if(!at(t))throw new TypeError("invalid argument. Index must be an integer value. Value: `"+t+"`.");return t=tn(t,this._length-1,this._mode),en.call(this,t)}return en.call(this)})),v(sn.prototype,"set",(function(){var t,e,r,n;if(this._flags.READONLY)throw new Error("invalid invocation. Cannot write to a read-only array.");if(arguments.length!==this._ndims+1)throw new RangeError("invalid arguments. 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