Beautify test case and added case -0

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