Add some test cases for printing and parsing floats

test/testFloatFormatting.krk

@@ -0,0 +1,38 @@
+import math
+
+def print_values(values):
+    for v in values:
+        # Avoiding doing just 'v' as we want this test to work in Python and Kuroko with identical results
+        # and Python will try to reduce the number of digits to the minimum required for disambiguity, which
+        # we don't currently support.
+        print(v.__format__('.16g'),v.__format__('f'),v.__format__('e'),v.__format__('#.16g'),v.__format__('+.4g'))
+
+print_values([
+    float('75.5834073120020679681'),
+    float('75.5834073120020679681e-7'),
+    float('75.5834073120020679681e-24'),
+    float('75.5834073120020679681e80'),
+    float('75.5834073120020679681e300'),
+    float('75.0'),
+    float('0.005'),
+    float('0.0005'),
+    float('0.5'),
+    float('0.01'),
+    float('0.25'),
+    float('0.25')/2,
+    float('0.25')/4,
+    float('0.25')/8,
+    float('0.25')/16,
+    float('0.25')/2048,
+    float('0.25')/4096,
+    float('10000000253263163212.0'),
+    (10**60)/1,
+    float('20000000000000000'),
+    0.0,
+    -0.0,
+    math.inf,
+    -math.inf,
+    math.nan,
+    -math.nan,
+    float('123.45'),
+])

test/testFloatFormatting.krk.expect

@@ -0,0 +1,27 @@
+75.58340731200207 75.583407 7.558341e+01 75.58340731200207 +75.58
+7.558340731200207e-06 0.000008 7.558341e-06 7.558340731200207e-06 +7.558e-06
+7.558340731200207e-23 0.000000 7.558341e-23 7.558340731200207e-23 +7.558e-23
+7.558340731200207e+81 7558340731200206731762734930317738502291660148265284220384036778702184341124939776.000000 7.558341e+81 7.558340731200207e+81 +7.558e+81
+7.558340731200207e+301 75583407312002066768461022261315172287297487251874586478724757817960934981634094788769653163852924763443651501309652569997165035925379465760402739890567710612092775360309017524288996057690996811122123668937191051711752654751620072621666259734026943606049685516409713620071805443138455356168154210369536.000000 7.558341e+301 7.558340731200207e+301 +7.558e+301
+75 75.000000 7.500000e+01 75.00000000000000 +75
+0.005 0.005000 5.000000e-03 0.005000000000000000 +0.005
+0.0005 0.000500 5.000000e-04 0.0005000000000000000 +0.0005
+0.5 0.500000 5.000000e-01 0.5000000000000000 +0.5
+0.01 0.010000 1.000000e-02 0.01000000000000000 +0.01
+0.25 0.250000 2.500000e-01 0.2500000000000000 +0.25
+0.125 0.125000 1.250000e-01 0.1250000000000000 +0.125
+0.0625 0.062500 6.250000e-02 0.06250000000000000 +0.0625
+0.03125 0.031250 3.125000e-02 0.03125000000000000 +0.03125
+0.015625 0.015625 1.562500e-02 0.01562500000000000 +0.01562
+0.0001220703125 0.000122 1.220703e-04 0.0001220703125000000 +0.0001221
+6.103515625e-05 0.000061 6.103516e-05 6.103515625000000e-05 +6.104e-05
+1.000000025326316e+19 10000000253263163392.000000 1.000000e+19 1.000000025326316e+19 +1e+19
+9.999999999999999e+59 999999999999999949387135297074018866963645011013410073083904.000000 1.000000e+60 9.999999999999999e+59 +1e+60
+2e+16 20000000000000000.000000 2.000000e+16 2.000000000000000e+16 +2e+16
+0 0.000000 0.000000e+00 0.000000000000000 +0
+-0 -0.000000 -0.000000e+00 -0.000000000000000 -0
+inf inf inf inf +inf
+-inf -inf -inf -inf -inf
+nan nan nan nan +nan
+nan nan nan nan +nan
+123.45 123.450000 1.234500e+02 123.4500000000000 +123.5

test/testParseFloat.krk

@@ -0,0 +1,18 @@
+print(float('123431236.632163e-3'))
+print(float('123431236.632163e3'))
+print(float('123431236.632163e30'))
+print(float('123431236.632163e-30'))
+print(float('-123431236.632163e-3'))
+print(float('-123431236.632163e3'))
+print(float('-123431236.632163e30'))
+print(float('-123431236.632163e-30'))
+print(float('2.1234567'))
+print(float('0.1234567'))
+print(float('0.001234567'))
+print(float('0.00001234567'))
+
+
+print(float('0.000976562500000000325260651745651330202235840260982513427734375'))
+print(float('2.47032822920623272088284396434110686182e-324').__format__('.10000g'))
+print(float('2.47032822920623272088284396434110686183e-324').__format__('.10000g'))
+print(float('4.99e-324').__format__('.10000g'))

test/testParseFloat.krk.expect

@@ -0,0 +1,16 @@
+123431.236632163
+123431236632.163
+1.23431236632163e+38
+1.23431236632163e-22
+-123431.236632163
+-123431236632.163
+-1.23431236632163e+38
+-1.23431236632163e-22
+2.1234567
+0.1234567
+0.001234567
+1.234567e-05
+0.0009765625000000004
+0
+4.940656458412465441765687928682213723650598026143247644255856825006755072702087518652998363616359923797965646954457177309266567103559397963987747960107818781263007131903114045278458171678489821036887186360569987307230500063874091535649843873124733972731696151400317153853980741262385655911710266585566867681870395603106249319452715914924553293054565444011274801297099995419319894090804165633245247571478690147267801593552386115501348035264934720193790268107107491703332226844753335720832431936092382893458368060106011506169809753078342277318329247904982524730776375927247874656084778203734469699533647017972677717585125660551199131504891101451037862738167250955837389733598993664809941164205702637090279242767544565229087538682506419718265533447265625e-324
+4.940656458412465441765687928682213723650598026143247644255856825006755072702087518652998363616359923797965646954457177309266567103559397963987747960107818781263007131903114045278458171678489821036887186360569987307230500063874091535649843873124733972731696151400317153853980741262385655911710266585566867681870395603106249319452715914924553293054565444011274801297099995419319894090804165633245247571478690147267801593552386115501348035264934720193790268107107491703332226844753335720832431936092382893458368060106011506169809753078342277318329247904982524730776375927247874656084778203734469699533647017972677717585125660551199131504891101451037862738167250955837389733598993664809941164205702637090279242767544565229087538682506419718265533447265625e-324