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test-index.html
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test-index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Programming Quantum Computers</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
<script src="./external/ace/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script>
<script>
window.onerror = function(message, source, lineno, colno, error)
{ alert('ErrorA: ' + message + ' src:' + source + ' line:' + lineno + ' col:' + colno); }
</script>
<script type="text/javascript" src="https://machinelevel.github.io/QCEngine/beta/src/qcengine_bitfield.js"></script>
<script>
window.onerror = function(message, source, lineno, colno, error)
{ alert('ErrorB: ' + message + ' src:' + source + ' line:' + lineno + ' col:' + colno); }
</script>
<script type="text/javascript" src="https://machinelevel.github.io/QCEngine/beta/src/qcengine_reg.js"></script>
<script>
window.onerror = function(message, source, lineno, colno, error)
{ alert('ErrorC: ' + message + ' src:' + source + ' line:' + lineno + ' col:' + colno); }
</script>
<!-- <script type="text/javascript" src="https://machinelevel.github.io/QCEngine/beta/src/qcengine_int.js"></script>
-->
<script type="text/javascript">
/////////////////////////////////////////////////////////////////////////////
// qcengine_int.js
// Copyright 2000-2011 Eric Johnston
// qcengine@machinelevel.com
//
// License:
// (This is similar to the zlib license, with item 4 added and modifications
// which apply only to commercial use.)
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Commercial use requires written authorization from the author.
// Please contact me, as I can also help make sure you're getting the best use
// from this software, and have the most up-to-date version.
//
// Permission is granted to anyone to use this software for non-commercial
// purposes, and to alter it and redistribute it freely, subject to the
// following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
// 4. If you find this material useful, I'd love to know. If there is an email
// address listed above this notice, please consider sending me a note.
// (end of license text)
//
// Commercial interest: There are several versions of this software, each
// designed to maximize speed under different hardware and/or language constraints.
// For more info, please contact me at qcengine@machinelevel.com
//
/////////////////////////////////////////////////////////////////////////////
// The QInt class simulates multi-qubit signed and unsigned integers.
// numBits the integer size in bits (any positive integer)
// qReg the QReg to use for storage. This may be active or inactive.
function make_sub_int(parent, name, sub_start, num_bits)
{
var new_qint = new QInt(num_bits, parent.qReg, name);
new_qint.startBit = parent.startBit + sub_start;
new_qint.baseMask = 0;
for (var i = 0; i < new_qint.numBits; ++i)
new_qint.baseMask |= 1 << i;
new_qint.maskBF = newShiftedMask(new_qint.baseMask, new_qint.startBit);
new_qint.valid = true;
return new_qint;
}
function Qubits(numBits, name, qReg)
{
// Arg flexibility: allow qreg to be passed in name slot
if (qReg == null && name && name.qReg)
{
qReg = name;
name = null;
}
if (numBits == 0)
return null;
numBits = 0|numBits;
this.valid = false; // true if this int is ready to use
this.numBits = numBits; // the number of bits in this integer
// Accept either "qc" or "qc.qReg" here
if (qReg.qReg)
{
this.qpu = qReg;
qReg = qReg.qReg;
}
// Handle the case where no name is passed in
this.auto_name_prefix = 'q';
if (this.qpu && !name)
name = this.auto_name_prefix + this.qpu.next_qint_serial_number();
this.qReg = qReg;
this.isUtil = false;
if (name == '(util)')
{
this.isUtil = true;
qReg.utilityInts.push(this);
}
qReg.qInts.push(this);
this.name = name;
this.isUtil = false;
this.isQInt = true;
//
// methods
//
// reserve() is called to reserve the qubits for this int.
// This is called automatically on construction.
this.reserve = function ()
{
if (!this.valid)
{
this.startBit = qReg.reserveBits(this.numBits);
if (this.startBit >= 0)
{
this.baseMask = 0;
for (var i = 0; i < this.numBits; ++i)
this.baseMask |= 1 << i;
this.maskBF = newShiftedMask(this.baseMask, this.startBit);
this.valid = true;
}
}
this.qReg.qIntsChanged();
}
// release() is called to give up the qubits allocated to this int.
this.release = function ()
{
if (this.valid)
{
this.valid = false;
this.qReg.releaseBits(this.numBits, this.startBit);
}
}
this.getValueProbability = function (value)
{
if (this.valid)
{
var regValue = value << this.startBit;
var qx = this.qReg.vector[0][regValue];
var qy = this.qReg.vector[1][regValue];
return qx * qx + qy * qy;
}
return 0;
}
this.getValuePhaseRadians = function (value)
{
if (this.valid)
{
var regValue = value << this.startBit;
var qx = this.qReg.vector[0][regValue];
var qy = this.qReg.vector[1][regValue];
return Math.atan2(qy, qx);
}
return 0;
}
this.peekComplexValue = function (value)
{
if (this.valid)
{
var regValue = value << this.startBit;
return this.qReg.peekComplexValue(regValue);
}
return 0;
}
this.peekProbability = function (value, cval_array)
{
if (this.valid)
{
var regValue = value << this.startBit;
var bitsBelow = this.startBit;
var bitsAbove = this.qReg.numQubits - (this.startBit + this.numBits);
var probability = 0;
for (below = 0; below < 1 << bitsBelow; ++below)
{
for (above = 0; above < 1 << bitsAbove; ++above)
{
var checkValue = regValue | below | (above << (this.startBit + this.numBits));
var complexValue = this.qReg.peekComplexValue(checkValue);
var prob = complexValue.x * complexValue.x + complexValue.y * complexValue.y;
probability += prob;
if (cval_array && prob > 0.000001)
cval_array.push(complexValue);
}
}
return probability;
}
return 0;
}
this.printProbabilities = function(message, start, count)
{
if (message == null)
message = '';
if (start == null)
start = 0;
if (count == null)
count = 1 << this.numBits;
var str = '' + this.name + ': ' + message + ' ';
for (var i = start; i < count; ++i)
{
var val = this.peekProbability(i);
if (val != 0)
str += '[' + i + ']=' + val.toFixed(6) + ' ';
}
console.log(str);
}
this.peekHighestProbability = function(start, count)
{
if (start == null)
start = 0;
if (count == null)
count = 1 << this.numBits;
var best_val = start;
var best_prob = 0;
for (var i = start; i < count; ++i)
{
var prob = this.peekProbability(i);
if (prob > best_prob)
{
best_prob = prob;
best_val = i;
}
}
return best_val;
}
// NOTE: this does a cnot between corresponding qubits in the qint.
// It's useful for expanding programs to larger bytes.
// Two qints of any size can be swapped with three of these.
this.cnot_core = function (op, conditionInt, targ_mask, extraConditionBits, extraNOTConditionBits)
{
// Special simple common syntax
if (conditionInt && !is_qint(conditionInt))
{
// In this case, it's myint.cnot(target, cond)
extraConditionBits = this.bits(targ_mask);
targ_mask = conditionInt;
conditionInt = null;
}
var anim = this.qReg.animateWidgets;
if (extraNOTConditionBits)
{
if (anim)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
else
this.qReg.not(extraNOTConditionBits);
}
var condition = NewBitField(0, this.qReg.numQubits);
var baseTarget = (targ_mask == null) ? this.baseMask : this.baseMask & targ_mask;
if (!conditionInt)
{
condition.set(0);
condition.orEquals(extraConditionBits);
condition.orEquals(extraNOTConditionBits);
var bt = qintMask([this, baseTarget]);
if (anim)
this.qReg.staff.addInstructionAfterInsertionPoint('cnot', bt, condition, 0);
else
this.qReg.cnot(bt, condition);
bt.recycle();
}
else
{
var target = NewBitField(0, this.qReg.numQubits);
var bits = this.numBits;
if (conditionInt && conditionInt.numBits < bits)
bits = conditionInt.numBits;
for (var i = 0; i < bits; ++i)
{
if (baseTarget & (1 << i))
{
target.set(0);
target.setBits(i + this.startBit, 1, 1);
condition.set(0);
if (conditionInt)
condition.setBits(i + conditionInt.startBit, 1, 1);
condition.orEquals(extraConditionBits);
condition.orEquals(extraNOTConditionBits);
//TODO1 conditionMask |= extraConditionBits | extraNOTConditionBits;
// this.qReg.cnot(targetMask, conditionMask);
if (anim)
this.qReg.staff.addInstructionAfterInsertionPoint(op, target, condition, 0);
else
{
if (op == 'cnot')
this.qReg.cnot(target, condition);
else if (op == 'crootnot')
this.qReg.crootnot(target, condition);
else if (op == 'crootnot_inv')
this.qReg.crootnot_inv(target, condition);
}
}
}
target.recycle();
}
condition.recycle();
if (extraNOTConditionBits)
{
if (anim)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
else
this.qReg.not(extraNOTConditionBits);
}
}
this.not = function (mask)
{ this.cnot_core('cnot', null, mask, null, null); }
this.cnot = function (conditionInt, mask, extraConditionBits, extraNOTConditionBits)
{ this.cnot_core('cnot', conditionInt, mask, extraConditionBits, extraNOTConditionBits); }
this.rootnot = function (mask)
{ this.cnot_core('crootnot', null, mask, null, null); }
this.crootnot = function (conditionInt, mask, extraConditionBits, extraNOTConditionBits)
{ this.cnot_core('crootnot', conditionInt, mask, extraConditionBits, extraNOTConditionBits); }
this.rootnot_inv = function (mask)
{ this.cnot_core('crootnot_inv', null, mask, null, null); }
this.crootnot_inv = function (conditionInt, mask, extraConditionBits, extraNOTConditionBits)
{ this.cnot_core('crootnot_inv', conditionInt, mask, extraConditionBits, extraNOTConditionBits); }
this.rootx = function (mask)
{ this.cnot_core('crootnot', null, mask, null, null); }
this.crootx = function (conditionInt, mask, extraConditionBits, extraNOTConditionBits)
{ this.cnot_core('crootnot', conditionInt, mask, extraConditionBits, extraNOTConditionBits); }
this.rootx_inv = function (mask)
{ this.cnot_core('crootnot_inv', null, mask, null, null); }
this.crootx_inv = function (conditionInt, mask, extraConditionBits, extraNOTConditionBits)
{ this.cnot_core('crootnot_inv', conditionInt, mask, extraConditionBits, extraNOTConditionBits); }
this.exchange_core = function (op, swapInt, baseMask, extraConditionBits, extraNOTConditionBits)
{
// convert any qint extra cond args to bitfields
if (extraConditionBits && extraConditionBits.isQInt)
extraConditionBits = extraConditionBits.maskBF;
if (extraNOTConditionBits && extraNOTConditionBits.isQInt)
extraNOTConditionBits = extraNOTConditionBits.maskBF;
if (extraNOTConditionBits)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
if (baseMask == null) // null is different from zero! It means no value was passed.
baseMask = this.baseMask;
var conditionMask = 0;
if (!(isAllZero(extraConditionBits) && isAllZero(extraNOTConditionBits)))
{
if (conditionMask)
{
conditionMask = NewBitField(extraConditionBits);
conditionMask.orEquals(extraNOTConditionBits);
}
else
{
conditionMask = NewBitField(extraNOTConditionBits);
conditionMask.orEquals(extraConditionBits);
}
}
var bits = this.numBits;
targetBits = NewBitField(0, this.qReg.numQubits);
if (swapInt == null || swapInt == this)
{
targetBits.set(0);
for (var i = 0; i < bits; ++i)
{
if (baseMask & (1 << i))
{
targetBits.setBit(i + this.startBit, 1);
}
}
this.qReg.staff.addInstructionAfterInsertionPoint(op, targetBits, conditionMask, 0);
}
else
{
if (swapInt.numBits < bits)
bits = swapInt.numBits;
for (var i = 0; i < bits; ++i)
{
if (baseMask & (1 << i))
{
targetBits.set(0);
targetBits.setBit(i + this.startBit, 1);
targetBits.setBit(i + swapInt.startBit, 1);
this.qReg.staff.addInstructionAfterInsertionPoint(op, targetBits, conditionMask, 0);
}
}
}
if (extraNOTConditionBits)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
}
this.exchange = function (swapInt, baseMask, extraConditionBits, extraNOTConditionBits)
{
this.exchange_core('exchange', swapInt, baseMask, extraConditionBits, extraNOTConditionBits);
}
this.swap = this.exchange;
this.cswap = this.exchange;
this.rootexchange = function (swapInt, baseMask, extraConditionBits, extraNOTConditionBits)
{
this.exchange_core('rootexchange', swapInt, baseMask, extraConditionBits, extraNOTConditionBits);
}
this.rootexchange_inv = function (swapInt, baseMask, extraConditionBits, extraNOTConditionBits)
{
this.exchange_core('rootexchange_inv', swapInt, baseMask, extraConditionBits, extraNOTConditionBits);
}
this.y = function (mask, extraConditionBits)
{ this.qpu.y(this.mask(mask)) }
this.cy = this.y;
this.hadamard = function (mask, extraConditionBits)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('hadamard', target, extraConditionBits);
}
this.had = this.hadamard; // more convenient
this.chadamard = function (conditionInt, mask, extraConditionBits, extraNOTConditionBits)
{
if (extraNOTConditionBits)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
var condition = NewBitField(0, this.qReg.numQubits);
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
if (!conditionInt)
{
condition.set(0);
condition.orEquals(extraConditionBits);
condition.orEquals(extraNOTConditionBits);
var bt = qintMask([this, baseTarget]);
this.qReg.staff.addInstructionAfterInsertionPoint('chadamard', bt, condition, 0);
bt.recycle();
}
else
{
var target = NewBitField(0, this.qReg.numQubits);
var bits = this.numBits;
if (conditionInt && conditionInt.numBits < bits)
bits = conditionInt.numBits;
for (var i = 0; i < bits; ++i)
{
if (baseTarget & (1 << i))
{
target.set(0);
target.setBits(i + this.startBit, 1, 1);
condition.set(0);
if (conditionInt)
condition.setBits(i + conditionInt.startBit, 1, 1);
condition.orEquals(extraConditionBits);
condition.orEquals(extraNOTConditionBits);
//TODO1 conditionMask |= extraConditionBits | extraNOTConditionBits;
// this.qReg.cnot(targetMask, conditionMask);
this.qReg.staff.addInstructionAfterInsertionPoint('chadamard', target, condition, 0);
}
}
}
if (extraNOTConditionBits)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
}
this.chad = this.chadamard; // more convenient
this.beamsplitter = function (reflectivity, mask)
{
if (reflectivity == null)
reflectivity = 0.5;
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('optical_beamsplitter', target, null, reflectivity);
}
this.dual_rail_beamsplitter = function (reflectivity, mask)
{
if (reflectivity == null)
reflectivity = 0.5;
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('dual_rail_beamsplitter', target, null, reflectivity);
}
this.pbs = function (hoiz_vert, mask)
{
if (reflectivity == null)
reflectivity = 0.5;
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('pbs', target, null, horiz_vert);
}
this.postselect_qubit_pair = function (mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = null;
// If the arg is a qint, then make pair qubits between them
if (mask && mask.isQInt)
{
target = newShiftedMask(1, this.startBit);
target.setBit(mask.startBit, 1);
}
else
target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('postselect_qubit_pair', target);
}
this.pair_source = function (mask)
{
// If the arg is a qint, then make pair sources between corresponding bits
if (mask.isQInt)
return this.cnot_core('pair_source', mask, null, null, null);
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('pair_source', target, null, 0);
}
this.polarization_grating_in = function (mask, theta)
{
if (theta == null)
theta = 0.0;
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('polarization_grating_in', target, null, theta);
}
this.polarization_grating_out = function (mask, theta)
{
if (theta == null)
theta = 0.0;
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('polarization_grating_out', target, null, theta);
}
this.phase = function (thetaDegrees, targetMask, conditionMask, extraConditionBits, extraNOTConditionBits)
{
// convert any qint extra cond args to bitfields
if (extraConditionBits && extraConditionBits.isQInt)
extraConditionBits = extraConditionBits.maskBF;
if (extraNOTConditionBits && extraNOTConditionBits.isQInt)
extraNOTConditionBits = extraNOTConditionBits.maskBF;
var baseTarget = (targetMask == null) ? this.baseMask : this.baseMask & targetMask;
var baseCondition = (conditionMask == null) ? 0 : this.baseMask & conditionMask;
var target = newShiftedMask(baseTarget, this.startBit);
var condition = newShiftedMask(baseCondition, this.startBit);
if (extraNOTConditionBits)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
condition.orEquals(extraConditionBits);
condition.orEquals(extraNOTConditionBits);
this.qReg.staff.addInstructionAfterInsertionPoint('phase', target, condition, thetaDegrees);
if (extraNOTConditionBits)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
}
this.cphase_intarg = function (thetaDegrees, condInt, targetMask, extraConditionBits, extraNOTConditionBits)
{
// convert any qint extra cond args to bitfields
if (extraConditionBits && extraConditionBits.isQInt)
extraConditionBits = extraConditionBits.maskBF;
if (extraNOTConditionBits && extraNOTConditionBits.isQInt)
extraNOTConditionBits = extraNOTConditionBits.maskBF;
var baseTarget = (targetMask == null) ? this.baseMask : this.baseMask & targetMask;
var baseCondition = baseTarget & condInt.baseMask;
baseTarget &= baseCondition;
var targ_hi = getHighestBitIndex(baseTarget);
var targ_lo = getLowestBitIndex(baseTarget);
if (targ_lo != targ_hi)
{
// If we have multiple target qubits, run them as separate ops
for (var targ_bit = targ_lo; targ_bit <= targ_hi; ++targ_bit)
{
var tmask = 1 << targ_bit;
if (baseTarget & tmask)
this.cphase(thetaDegrees, condInt, tmask, extraConditionBits, extraNOTConditionBits);
}
return;
}
var target = newShiftedMask(baseTarget, this.startBit);
var condition = newShiftedMask(baseCondition, condInt.startBit);
if (extraNOTConditionBits)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
condition.orEquals(extraConditionBits);
condition.orEquals(extraNOTConditionBits);
this.qReg.staff.addInstructionAfterInsertionPoint('phase', target, condition, thetaDegrees);
if (extraNOTConditionBits)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
}
// TODO: Should these two be allowed to take int args like cx?
this.cphase = function (thetaDegrees, condition_int, target_mask, extraConditionBits)
{
if (is_qint(condition_int))
{
if (target_mask == null)
target_mask = ~0;
// If the first arg is an int, then cphase the corresponding qubits of both ints
for (var bit_index = 0; bit_index < this.numBits && bit_index < condition_int.numBits; ++bit_index)
{
var bit = 1 << bit_index;
if (bit & target_mask)
this.qpu.phase(thetaDegrees, this.bits(bit), condition_int.bits(bit, extraConditionBits));
}
}
else
{
// Otherwise, treat the mask as local to this qint
extraConditionBits = target_mask;
target_mask = condition_int;
if (target_mask == null)
target_mask = ~0;
this.qpu.cphase(thetaDegrees, this.bits(target_mask, extraConditionBits));
}
}
this.cz = function (condition_int, target_mask, extraConditionBits)
{
this.cphase(180, condition_int, target_mask, extraConditionBits);
}
this.x = function (targetMask, conditionMask, extraConditionBits, extraNOTConditionBits)
{
this.not(targetMask, conditionMask, extraConditionBits, extraNOTConditionBits);
}
this.cx = function (targetMask, conditionMask, extraConditionBits, extraNOTConditionBits)
{
this.cnot(targetMask, conditionMask, extraConditionBits, extraNOTConditionBits);
}
this.z = function (targetMask, conditionMask, extraConditionBits, extraNOTConditionBits)
{
this.phase(180, targetMask, conditionMask, extraConditionBits, extraNOTConditionBits);
}
this.s = function (targetMask, conditionMask, extraConditionBits, extraNOTConditionBits)
{
this.phase(90, targetMask, conditionMask, extraConditionBits, extraNOTConditionBits);
}
this.t = function (targetMask, conditionMask, extraConditionBits, extraNOTConditionBits)
{
this.phase(45, targetMask, conditionMask, extraConditionBits, extraNOTConditionBits);
}
this.s_inv = function (targetMask, conditionMask, extraConditionBits, extraNOTConditionBits)
{
this.phase(-90, targetMask, conditionMask, extraConditionBits, extraNOTConditionBits);
}
this.t_inv = function (targetMask, conditionMask, extraConditionBits, extraNOTConditionBits)
{
this.phase(-45, targetMask, conditionMask, extraConditionBits, extraNOTConditionBits);
}
this.cs = function (condInt, targetMask, extraConditionBits, extraNOTConditionBits)
{
this.cphase_intarg(90, condInt, targetMask, extraConditionBits, extraNOTConditionBits);
}
this.ct = function (condInt, targetMask, extraConditionBits, extraNOTConditionBits)
{
this.cphase_intarg(45, condInt, targetMask, extraConditionBits, extraNOTConditionBits);
}
this.cs_inv = function (condInt, targetMask, extraConditionBits, extraNOTConditionBits)
{
this.cphase_intarg(-90, condInt, targetMask, extraConditionBits, extraNOTConditionBits);
}
this.ct_inv = function (condInt, targetMask, extraConditionBits, extraNOTConditionBits)
{
this.cphase_intarg(-45, condInt, targetMask, extraConditionBits, extraNOTConditionBits);
}
/*
this.rootnot = function (mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('rootnot', target, 0, 0);
}
this.rootnot_inv = function (mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qReg.staff.addInstructionAfterInsertionPoint('rootnot_inv', target, 0, 0);
}
*/
this.rotatex = function (thetaDegrees, mask, cond)
{
if (mask && mask.isQInt)
{
// Special syntax similar to cnot, arg is another int
// TODO: replace this with CNOT core
cond = mask.maskBF;
mask = null;
}
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qpu.rx(thetaDegrees, target, cond);
}
this.rotatey = function (thetaDegrees, mask, cond)
{
if (mask && mask.isQInt)
{
// Special syntax similar to cnot, arg is another int
// TODO: replace this with CNOT core
cond = mask.maskBF;
mask = null;
}
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
this.qpu.ry(thetaDegrees, target, cond);
}
this.rotatez = function (thetaDegrees, mask, cond)
{
if (mask && mask.isQInt)
{
// Special syntax similar to cnot, arg is another int
// TODO: replace this with CNOT core
cond = mask.maskBF;
}
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
target.orEquals(cond);
this.qpu.rz(thetaDegrees, target, cond);
}
this.rotate = this.rotatex;
this.rotx = this.rotatex;
this.roty = this.rotatey;
this.rotz = this.rotatez;
this.rx = this.rotatex;
this.ry = this.rotatey;
this.rz = this.rotatez;
this.crx = this.rotatex;
this.cry = this.rotatey;
this.crz = this.rotatez;
this.crotatex = this.rotatex;
this.crotatey = this.rotatey;
this.crotatez = this.rotatez;
this.teleport_send = function (entangle_qubit)
{
entangle_qubit.cnot(this);
this.hadamard();
var bits = [this.read(), entangle_qubit.read()];
return bits;
}
this.teleport_receive = function (send_bits)
{
this.not(send_bits[0]);
this.hadamard();
this.not(send_bits[1]);
this.hadamard();
}
this.read = function (mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
if (this.qReg.animateWidgets)
{
var instruction = this.qReg.staff.addInstructionAfterInsertionPoint('read', target, 0, 0);
if (instruction)
instruction.finish();
}
// This result is already cached.
var rval = intToBitField(this.qReg.read(target));
var result = rval.getBits(this.startBit, baseTarget);
target.recycle();
rval.recycle();
return result;
}
this.read_uint = this.read;
this.postselect = function (value, mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
if (this.qReg.animateWidgets)
{
var instruction = this.qReg.staff.addInstructionAfterInsertionPoint('postselect', target, value, 0);
if (instruction)
instruction.finish();
}
else
{
this.qReg.postselect(target, value);
}
}
this.peek = function (mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
var instruction = this.qReg.staff.addInstructionAfterInsertionPoint('peek', target, 0, 0);
if (instruction)
instruction.finish();
}
this.discard = function (mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
var instruction = this.qReg.staff.addInstructionAfterInsertionPoint('discard', target, 0, 0);
if (instruction)
instruction.finish();
}
this.nop = function (mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var target = newShiftedMask(baseTarget, this.startBit);
var instruction = this.qReg.staff.addInstructionAfterInsertionPoint('nop', target, 0, 0);
if (instruction)
instruction.finish();
}
// Just return a shifted bitmask to use as args
this.bits = function (mask, or_with_next)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var out_mask = newShiftedMask(baseTarget, this.startBit);
if (or_with_next)
out_mask.orEquals(or_with_next);
return out_mask;
}
// Just return a shifted bitmask to use as args
this.mask = function (mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
var out_mask = newShiftedMask(baseTarget, this.startBit);
return bitFieldToInt(out_mask);
}
// Read and then sign-extend
this.readSigned = function ()
{
var rval = this.read();
rval <<= (32 - this.numBits);
rval >>= (32 - this.numBits);
return rval;
}
this.write = function (value, mask)
{
var baseTarget = (mask == null) ? this.baseMask : this.baseMask & mask;
if (this.shiftedMask == null)
this.shiftedMask = newShiftedMask(baseTarget, this.startBit);
if (this.shiftedValue == null)
this.shiftedValue = newShiftedMask(value, this.startBit);
this.shiftedMask.set(0);
this.shiftedMask.setBits(this.startBit, baseTarget, baseTarget);
this.shiftedValue.set(0);
this.shiftedValue.setBits(this.startBit, value, value);
if (this.qReg.animateWidgets)
this.qReg.staff.addInstructionAfterInsertionPoint('write', this.shiftedMask, this.shiftedValue, 0);
else
this.qReg.write(this.shiftedMask, this.shiftedValue);
}
// Testing to get a result which works with Shor's algorithm.
this.invQFT_test2 = function()
{
for (bit1 = 0; bit1 < this.numBits; ++bit1)
{
var mask1 = 1 << bit1;
var theta = -90.0;
for (bit2 = bit1 + 1; bit2 < this.numBits - 1; ++bit2)
theta *= 0.5;
this.hadamard(mask1);
for (bit2 = bit1 + 1; bit2 < this.numBits; ++bit2)
{
var mask2 = 1 << bit2;
this.phase(theta, 0, mask1|mask2);
theta *= 2.0;
}
}
}
this.invQFT_test1 = function()
{
for (bit1 = this.numBits - 1; bit1 >= 0; --bit1)
{
var mask1 = 1 << bit1;
var theta = 90.0;
for (bit2 = this.numBits - 1; bit2 >= bit1 + 1; --bit2)
{
var mask2 = 1 << bit2;
this.phase(theta, 0, mask1|mask2);
theta *= 0.5;
}
this.hadamard(mask1);
}
}
this.invQFT = function(target_mask)
{
if (target_mask == null)
target_mask = ~0;
this.QFT(target_mask, true)
}
this.QFT = function(target_mask, flip_h)
{
if (target_mask == null)
target_mask = ~0;
this.qReg.qpu.QFT(this.mask(target_mask), flip_h);
}
this.Grover = function(conditionMask)
{
this.hadamard();
this.not();
this.cphase(180, ~0, conditionMask);
this.not();
this.hadamard();
}
// this += rhs
this.add = function(rhs, extraConditionBits, extraNOTConditionBits, reverse_to_subtract, shiftRHS)
{
var anim = this.qReg.animateWidgets;
if (!shiftRHS)
shiftRHS = 0;
// If rhs is a number, just buid the addition logic
if (rhs.toFixed)
return this.add_int(rhs << shiftRHS, extraConditionBits, extraNOTConditionBits);
if (extraNOTConditionBits)
{
if (anim)
this.qReg.staff.addInstructionAfterInsertionPoint('not', extraNOTConditionBits, 0, 0);
else
this.qReg.not(extraNOTConditionBits);
}
// Save time by re-using instructions and bitfields
if (this.add_instructions == null)
this.add_instructions = [];
if (this.add_bf != null && this.add_bf.length > 0 && this.add_bf[0].numBits < this.qReg.numQubits)
this.add_bf = null;
if (this.add_bf == null)
this.add_bf = [];
var instructions = [];
if (this.slideMask == null)