lua: math library (abs/trig/log/pow/min/max/fmod/modf/random/...) +17 tests

lib/lua/test.sh

@@ -768,6 +768,42 @@ cat > "$TMPFILE" << 'EPOCHS'
 (epoch 1181)
 (eval "(lua-eval-ast \"return string.format(\\\"%d%%\\\", 50)\")")
 
+;; ── Phase 6: math library ─────────────────────────────────────
+(epoch 1200)
+(eval "(lua-eval-ast \"return math.pi > 3.14 and math.pi < 3.15\")")
+(epoch 1201)
+(eval "(lua-eval-ast \"return math.huge > 1000000\")")
+(epoch 1210)
+(eval "(lua-eval-ast \"return math.abs(-7)\")")
+(epoch 1211)
+(eval "(lua-eval-ast \"return math.sqrt(16)\")")
+(epoch 1212)
+(eval "(lua-eval-ast \"return math.floor(3.7)\")")
+(epoch 1213)
+(eval "(lua-eval-ast \"return math.ceil(3.2)\")")
+(epoch 1220)
+(eval "(lua-eval-ast \"return math.max(3, 7, 1, 4)\")")
+(epoch 1221)
+(eval "(lua-eval-ast \"return math.min(3, 7, 1, 4)\")")
+(epoch 1230)
+(eval "(lua-eval-ast \"return math.pow(2, 8)\")")
+(epoch 1231)
+(eval "(lua-eval-ast \"return math.exp(0)\")")
+(epoch 1232)
+(eval "(lua-eval-ast \"return math.log(1)\")")
+(epoch 1233)
+(eval "(lua-eval-ast \"return math.log10(100)\")")
+(epoch 1240)
+(eval "(lua-eval-ast \"return math.sin(0) + math.cos(0)\")")
+(epoch 1250)
+(eval "(lua-eval-ast \"return math.fmod(10, 3)\")")
+(epoch 1251)
+(eval "(lua-eval-ast \"local i, f = math.modf(3.5) return i\")")
+(epoch 1260)
+(eval "(lua-eval-ast \"local r = math.random(100) return r >= 1 and r <= 100\")")
+(epoch 1261)
+(eval "(lua-eval-ast \"local r = math.random(5, 10) return r >= 5 and r <= 10\")")
+
 EPOCHS
 
 OUTPUT=$(timeout 60 "$SX_SERVER" < "$TMPFILE" 2>/dev/null)
@@ -1151,6 +1187,25 @@ check 1170 "string.gmatch iterator"         '3'
 check 1180 "string.format %s=%d"            '"x=42"'
 check 1181 "string.format %d%%"             '"50%"'
 
+# ── Phase 6: math library ─────────────────────────────────────
+check 1200 "math.pi in range"               'true'
+check 1201 "math.huge big"                  'true'
+check 1210 "math.abs(-7)"                   '7'
+check 1211 "math.sqrt(16)"                  '4'
+check 1212 "math.floor(3.7)"                '3'
+check 1213 "math.ceil(3.2)"                 '4'
+check 1220 "math.max(3,7,1,4)"              '7'
+check 1221 "math.min(3,7,1,4)"              '1'
+check 1230 "math.pow(2,8)"                  '256'
+check 1231 "math.exp(0)"                    '1'
+check 1232 "math.log(1)"                    '0'
+check 1233 "math.log10(100)"                '2'
+check 1240 "math.sin(0)+math.cos(0)"        '1'
+check 1250 "math.fmod(10,3)"                '1'
+check 1251 "math.modf(3.5) int part"        '3'
+check 1260 "math.random(n) in range"        'true'
+check 1261 "math.random(m,n) in range"      'true'
+
 TOTAL=$((PASS + FAIL))
 if [ $FAIL -eq 0 ]; then
   echo "ok $PASS/$TOTAL Lua-on-SX tests passed"