Add janus_cube_pyc: 16×16 systolic array matrix multiplication accelerator

janus/pyc/janus/cube/__init__.py

@@ -1 +1 @@
-from __future__ import annotations
+# Cube matrix multiplication accelerator module

janus/pyc/janus/cube/convert_to_pdf.py

@@ -0,0 +1,236 @@
+#!/usr/bin/env python3
+"""Convert CUBE_V2_SPEC.md to PDF using reportlab."""
+
+import os
+import re
+from reportlab.lib.pagesizes import A4
+from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
+from reportlab.lib.units import cm
+from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Preformatted, Table, TableStyle, PageBreak
+from reportlab.lib import colors
+from reportlab.lib.enums import TA_LEFT, TA_CENTER
+
+# Read the markdown file
+script_dir = os.path.dirname(os.path.abspath(__file__))
+md_path = os.path.join(script_dir, "CUBE_V2_SPEC.md")
+pdf_path = os.path.join(script_dir, "CUBE_V2_SPEC.pdf")
+
+with open(md_path, "r", encoding="utf-8") as f:
+    md_content = f.read()
+
+# Create PDF document
+doc = SimpleDocTemplate(
+    pdf_path,
+    pagesize=A4,
+    rightMargin=1.5*cm,
+    leftMargin=1.5*cm,
+    topMargin=1.5*cm,
+    bottomMargin=1.5*cm
+)
+
+# Get styles
+styles = getSampleStyleSheet()
+
+# Custom styles
+styles.add(ParagraphStyle(
+    name='Title1',
+    parent=styles['Heading1'],
+    fontSize=20,
+    spaceAfter=12,
+    spaceBefore=20,
+    textColor=colors.HexColor('#1a1a1a'),
+    borderWidth=1,
+    borderColor=colors.HexColor('#333333'),
+    borderPadding=5,
+))
+
+styles.add(ParagraphStyle(
+    name='Title2',
+    parent=styles['Heading2'],
+    fontSize=16,
+    spaceAfter=10,
+    spaceBefore=16,
+    textColor=colors.HexColor('#2a2a2a'),
+))
+
+styles.add(ParagraphStyle(
+    name='Title3',
+    parent=styles['Heading3'],
+    fontSize=13,
+    spaceAfter=8,
+    spaceBefore=12,
+    textColor=colors.HexColor('#3a3a3a'),
+))
+
+styles.add(ParagraphStyle(
+    name='CodeBlock',
+    parent=styles['Code'],
+    fontSize=7,
+    leading=9,
+    fontName='Courier',
+    backColor=colors.HexColor('#f5f5f5'),
+    borderWidth=1,
+    borderColor=colors.HexColor('#dddddd'),
+    borderPadding=8,
+    leftIndent=0,
+    rightIndent=0,
+))
+
+styles.add(ParagraphStyle(
+    name='BodyText2',
+    parent=styles['BodyText'],
+    fontSize=10,
+    leading=14,
+    spaceAfter=8,
+))
+
+styles.add(ParagraphStyle(
+    name='Quote',
+    parent=styles['BodyText'],
+    fontSize=10,
+    leading=14,
+    leftIndent=20,
+    textColor=colors.HexColor('#555555'),
+    fontName='Helvetica-Oblique',
+))
+
+# Parse markdown and build story
+story = []
+
+def escape_xml(text):
+    """Escape XML special characters."""
+    text = text.replace('&', '&')
+    text = text.replace('<', '&lt;')
+    text = text.replace('>', '&gt;')
+    return text
+
+def process_inline(text):
+    """Process inline markdown (bold, italic, code)."""
+    # Escape XML first
+    text = escape_xml(text)
+    # Bold
+    text = re.sub(r'\*\*(.+?)\*\*', r'<b>\1</b>', text)
+    # Italic
+    text = re.sub(r'\*(.+?)\*', r'<i>\1</i>', text)
+    # Inline code
+    text = re.sub(r'`(.+?)`', r'<font face="Courier" size="9">\1</font>', text)
+    return text
+
+lines = md_content.split('\n')
+i = 0
+in_code_block = False
+code_block_content = []
+
+while i < len(lines):
+    line = lines[i]
+
+    # Code block
+    if line.startswith('```'):
+        if in_code_block:
+            # End code block
+            code_text = '\n'.join(code_block_content)
+            # Use Preformatted for code blocks to preserve spacing
+            story.append(Spacer(1, 6))
+            story.append(Preformatted(code_text, styles['CodeBlock']))
+            story.append(Spacer(1, 6))
+            code_block_content = []
+            in_code_block = False
+        else:
+            # Start code block
+            in_code_block = True
+        i += 1
+        continue
+
+    if in_code_block:
+        code_block_content.append(line)
+        i += 1
+        continue
+
+    # Headers
+    if line.startswith('# '):
+        story.append(Paragraph(process_inline(line[2:]), styles['Title1']))
+        i += 1
+        continue
+
+    if line.startswith('## '):
+        story.append(Paragraph(process_inline(line[3:]), styles['Title2']))
+        i += 1
+        continue
+
+    if line.startswith('### '):
+        story.append(Paragraph(process_inline(line[4:]), styles['Title3']))
+        i += 1
+        continue
+
+    # Blockquote
+    if line.startswith('> '):
+        story.append(Paragraph(process_inline(line[2:]), styles['Quote']))
+        i += 1
+        continue
+
+    # Horizontal rule
+    if line.strip() == '---':
+        story.append(Spacer(1, 10))
+        i += 1
+        continue
+
+    # Table
+    if '|' in line and i + 1 < len(lines) and '---' in lines[i + 1]:
+        # Parse table
+        table_data = []
+        while i < len(lines) and '|' in lines[i]:
+            row = [cell.strip() for cell in lines[i].split('|')[1:-1]]
+            if '---' not in lines[i]:
+                table_data.append([process_inline(cell) for cell in row])
+            i += 1
+
+        if table_data:
+            # Create table
+            t = Table(table_data, repeatRows=1)
+            t.setStyle(TableStyle([
+                ('BACKGROUND', (0, 0), (-1, 0), colors.HexColor('#f0f0f0')),
+                ('TEXTCOLOR', (0, 0), (-1, 0), colors.black),
+                ('ALIGN', (0, 0), (-1, -1), 'LEFT'),
+                ('FONTNAME', (0, 0), (-1, 0), 'Helvetica-Bold'),
+                ('FONTSIZE', (0, 0), (-1, -1), 9),
+                ('BOTTOMPADDING', (0, 0), (-1, 0), 8),
+                ('TOPPADDING', (0, 0), (-1, -1), 6),
+                ('BOTTOMPADDING', (0, 1), (-1, -1), 6),
+                ('BACKGROUND', (0, 1), (-1, -1), colors.white),
+                ('ROWBACKGROUNDS', (0, 1), (-1, -1), [colors.white, colors.HexColor('#f9f9f9')]),
+                ('GRID', (0, 0), (-1, -1), 0.5, colors.HexColor('#dddddd')),
+            ]))
+            story.append(Spacer(1, 8))
+            story.append(t)
+            story.append(Spacer(1, 8))
+        continue
+
+    # List items
+    if line.strip().startswith('- ') or line.strip().startswith('* '):
+        bullet_text = line.strip()[2:]
+        story.append(Paragraph('• ' + process_inline(bullet_text), styles['BodyText2']))
+        i += 1
+        continue
+
+    # Numbered list
+    match = re.match(r'^(\d+)\.\s+(.+)$', line.strip())
+    if match:
+        num, text = match.groups()
+        story.append(Paragraph(f'{num}. ' + process_inline(text), styles['BodyText2']))
+        i += 1
+        continue
+
+    # Empty line
+    if not line.strip():
+        story.append(Spacer(1, 6))
+        i += 1
+        continue
+
+    # Regular paragraph
+    story.append(Paragraph(process_inline(line), styles['BodyText2']))
+    i += 1
+
+# Build PDF
+doc.build(story)
+
+print(f"PDF generated: {pdf_path}")