Beautify test case and added case -0

Author: jorgsowa

ext/standard/tests/math/fpow.phpt

@@ -3,11 +3,35 @@ fpow() function
 --FILE--
 <?php
 
-$numbers = [0, 1, -1, 1.0, -1.0, 2, -2, 2.1, -2.1, 0.1, -0.1, 0.0 -0.0, 10, -10, INF, -INF, NAN];
+$numbers = [
+    0,
+    1,
+    -1,
+    1.0,
+    -1.0,
+    2,
+    -2,
+    2.1,
+    -2.1,
+    0.1,
+    -0.1,
+    0.0,
+    -0.0,
+    10,
+    -10,
+    INF,
+    -INF,
+    NAN,
+];
 
-foreach($numbers as $base) {
-    foreach($numbers as $exp) {
-        print str_pad($base, 4,' ', STR_PAD_LEFT).' ** ' . str_pad($exp,4) .' = '. fpow($base, $exp) . PHP_EOL;
+foreach ($numbers as $base) {
+    foreach ($numbers as $exp) {
+        print str_pad($base, 4, " ", STR_PAD_LEFT) .
+            " ** " .
+            str_pad($exp, 4) .
+            " = " .
+            fpow($base, $exp) .
+            PHP_EOL;
     }
 }
 ?>
@@ -24,6 +48,7 @@ foreach($numbers as $base) {
    0 ** 0.1  = 0
    0 ** -0.1 = INF
    0 ** 0    = 1
+   0 ** -0   = 1
    0 ** 10   = 0
    0 ** -10  = INF
    0 ** INF  = 0
@@ -41,6 +66,7 @@ foreach($numbers as $base) {
    1 ** 0.1  = 1
    1 ** -0.1 = 1
    1 ** 0    = 1
+   1 ** -0   = 1
    1 ** 10   = 1
    1 ** -10  = 1
    1 ** INF  = 1
@@ -58,6 +84,7 @@ foreach($numbers as $base) {
   -1 ** 0.1  = NAN
   -1 ** -0.1 = NAN
   -1 ** 0    = 1
+  -1 ** -0   = 1
   -1 ** 10   = 1
   -1 ** -10  = 1
   -1 ** INF  = 1
@@ -75,6 +102,7 @@ foreach($numbers as $base) {
    1 ** 0.1  = 1
    1 ** -0.1 = 1
    1 ** 0    = 1
+   1 ** -0   = 1
    1 ** 10   = 1
    1 ** -10  = 1
    1 ** INF  = 1
@@ -92,6 +120,7 @@ foreach($numbers as $base) {
   -1 ** 0.1  = NAN
   -1 ** -0.1 = NAN
   -1 ** 0    = 1
+  -1 ** -0   = 1
   -1 ** 10   = 1
   -1 ** -10  = 1
   -1 ** INF  = 1
@@ -109,6 +138,7 @@ foreach($numbers as $base) {
    2 ** 0.1  = 1.0717734625363
    2 ** -0.1 = 0.93303299153681
    2 ** 0    = 1
+   2 ** -0   = 1
    2 ** 10   = 1024
    2 ** -10  = 0.0009765625
    2 ** INF  = INF
@@ -126,6 +156,7 @@ foreach($numbers as $base) {
   -2 ** 0.1  = NAN
   -2 ** -0.1 = NAN
   -2 ** 0    = 1
+  -2 ** -0   = 1
   -2 ** 10   = 1024
   -2 ** -10  = 0.0009765625
   -2 ** INF  = INF
@@ -143,6 +174,7 @@ foreach($numbers as $base) {
  2.1 ** 0.1  = 1.0770154403044
  2.1 ** -0.1 = 0.92849179554696
  2.1 ** 0    = 1
+ 2.1 ** -0   = 1
  2.1 ** 10   = 1667.9880978201
  2.1 ** -10  = 0.0005995246616609
  2.1 ** INF  = INF
@@ -160,6 +192,7 @@ foreach($numbers as $base) {
 -2.1 ** 0.1  = NAN
 -2.1 ** -0.1 = NAN
 -2.1 ** 0    = 1
+-2.1 ** -0   = 1
 -2.1 ** 10   = 1667.9880978201
 -2.1 ** -10  = 0.0005995246616609
 -2.1 ** INF  = INF
@@ -177,6 +210,7 @@ foreach($numbers as $base) {
  0.1 ** 0.1  = 0.79432823472428
  0.1 ** -0.1 = 1.2589254117942
  0.1 ** 0    = 1
+ 0.1 ** -0   = 1
  0.1 ** 10   = 1.0E-10
  0.1 ** -10  = 10000000000
  0.1 ** INF  = 0
@@ -194,6 +228,7 @@ foreach($numbers as $base) {
 -0.1 ** 0.1  = NAN
 -0.1 ** -0.1 = NAN
 -0.1 ** 0    = 1
+-0.1 ** -0   = 1
 -0.1 ** 10   = 1.0E-10
 -0.1 ** -10  = 10000000000
 -0.1 ** INF  = 0
@@ -211,11 +246,30 @@ foreach($numbers as $base) {
    0 ** 0.1  = 0
    0 ** -0.1 = INF
    0 ** 0    = 1
+   0 ** -0   = 1
    0 ** 10   = 0
    0 ** -10  = INF
    0 ** INF  = 0
    0 ** -INF = INF
    0 ** NAN  = NAN
+  -0 ** 0    = 1
+  -0 ** 1    = 0
+  -0 ** -1   = INF
+  -0 ** 1    = 0
+  -0 ** -1   = INF
+  -0 ** 2    = 0
+  -0 ** -2   = INF
+  -0 ** 2.1  = 0
+  -0 ** -2.1 = INF
+  -0 ** 0.1  = 0
+  -0 ** -0.1 = INF
+  -0 ** 0    = 1
+  -0 ** -0   = 1
+  -0 ** 10   = -0
+  -0 ** -10  = -INF
+  -0 ** INF  = -0
+  -0 ** -INF = -INF
+  -0 ** NAN  = NAN
   10 ** 0    = 1
   10 ** 1    = 10
   10 ** -1   = 0.1
@@ -228,6 +282,7 @@ foreach($numbers as $base) {
   10 ** 0.1  = 1.2589254117942
   10 ** -0.1 = 0.79432823472428
   10 ** 0    = 1
+  10 ** -0   = 1
   10 ** 10   = 10000000000
   10 ** -10  = 1.0E-10
   10 ** INF  = INF
@@ -245,6 +300,7 @@ foreach($numbers as $base) {
  -10 ** 0.1  = NAN
  -10 ** -0.1 = NAN
  -10 ** 0    = 1
+ -10 ** -0   = 1
  -10 ** 10   = 10000000000
  -10 ** -10  = 1.0E-10
  -10 ** INF  = INF
@@ -262,6 +318,7 @@ foreach($numbers as $base) {
  INF ** 0.1  = INF
  INF ** -0.1 = 0
  INF ** 0    = 1
+ INF ** -0   = 1
  INF ** 10   = INF
  INF ** -10  = 0
  INF ** INF  = INF
@@ -279,6 +336,7 @@ foreach($numbers as $base) {
 -INF ** 0.1  = INF
 -INF ** -0.1 = 0
 -INF ** 0    = 1
+-INF ** -0   = 1
 -INF ** 10   = INF
 -INF ** -10  = 0
 -INF ** INF  = INF
@@ -296,6 +354,7 @@ foreach($numbers as $base) {
  NAN ** 0.1  = NAN
  NAN ** -0.1 = NAN
  NAN ** 0    = 1
+ NAN ** -0   = 1
  NAN ** 10   = NAN
  NAN ** -10  = NAN
  NAN ** INF  = NAN