Remove hardcoded dependency

src/DecimalConstants.php

@@ -11,7 +11,7 @@
  *
  * @author Andreu Correa Casablanca <castarco@litipk.com>
  */
-final class DecimalConstants
+class DecimalConstants
 {
     /** @var Decimal */
     private static $ZERO = null;

tests/Decimal/DecimalArccosTest.php

@@ -12,6 +12,7 @@ public function arccosProvider() {
         // Some values provided by wolframalpha
         return [
             ['0.154', '1.41618102663394', 14],
+            ['0.154', '1.41618102663393517247013425592456', null],
             ['1', '0', 17],
             ['-1', '3.14159265358979324', 17],
         ];

tests/Decimal/DecimalArccotTest.php

@@ -12,6 +12,7 @@ public function arccotProvider() {
         // Some values provided by wolframalpha
         return [
             ['0.154', '1.41799671285823', 14],
+            ['0.154', '1.41799671285823208779719313430598', null],
             ['0', '1.57079632679489662', 17],
             ['-1', '-0.78540', 5],
         ];

tests/Decimal/DecimalArccscTest.php

@@ -12,6 +12,7 @@ public function arccscProvider() {
         // Some values provided by wolframalpha
         return [
             ['25.546', '0.03915507577327', 14],
+            ['25.546', '0.03915507577326592075276730624736', null],
             ['1.5', '0.729728', 6],
             ['1', '1.57079632679489662', 17],
             ['-1', '-1.57079632679489662', 17],

tests/Decimal/DecimalArcsecTest.php

@@ -12,6 +12,7 @@ public function arcsecProvider() {
         // Some values provided by wolframalpha
         return [
             ['25.546', '1.53164125102163', 14],
+            ['25.546', '1.53164125102163069847855438539239', null],
             ['1.5', '0.841068', 6],
             ['1', '0', 17],
             ['-1', '3.14159265358979324', 17],

tests/Decimal/DecimalArcsinTest.php

@@ -12,6 +12,7 @@ public function arcsinProvider() {
         // Some values provided by wolframalpha
         return [
             ['0.154', '0.15461530016096', 14],
+            ['0.154', '0.15461530016096144676118743571519', null],
             ['1', '1.57079632679489662', 17],
             ['-1', '-1.57079632679489662', 17],
         ];

tests/Decimal/DecimalArctanTest.php

@@ -12,6 +12,7 @@ public function arctanProvider() {
         // Some values provided by wolframalpha
         return [
             ['0.154', '0.15279961393666', 14],
+            ['0.154', '0.15279961393666453143412855733377', null],
             ['0', '0', 17],
             ['-1', '-0.78539816339744831', 17],
         ];

tests/Decimal/DecimalCosTest.php

@@ -12,6 +12,7 @@ public function cosProvider() {
         // Some values provided by Mathematica
         return [
             ['1', '0.54030230586814', 14],
+            ['1', '0.54030230586813971740093660744298', null],
             ['123.123', '-0.82483472946164834', 17],
             ['15000000000', '-0.72218064388924347683', 20]
         ];
@@ -23,7 +24,7 @@ public function cosProvider() {
     public function testSimple($nr, $answer, $digits)
     {
         $x = Decimal::fromString($nr);
-        $cosX = $x->cos((int)$digits);
+        $cosX = $x->cos($digits);
 
         $this->assertTrue(
             Decimal::fromString($answer)->equals($cosX),

tests/Decimal/DecimalCosecTest.php

@@ -12,6 +12,7 @@ public function cosecProvider() {
         // Some values provided by Mathematica
         return [
             ['1', '1.18839510577812', 14],
+            ['1', '1.18839510577812121626159945237455', null],
             ['123.123', '-1.76874094322450309', 17],
             ['15000000000', '1.44570405082842149818', 20]
         ];
@@ -23,7 +24,7 @@ public function cosecProvider() {
     public function testSimple($nr, $answer, $digits)
     {
         $x = Decimal::fromString($nr);
-        $cosecX = $x->cosec((int)$digits);
+        $cosecX = $x->cosec($digits);
 
         $this->assertTrue(
             Decimal::fromString($answer)->equals($cosecX),

tests/Decimal/DecimalCotanTest.php

@@ -13,6 +13,7 @@ public function cotanProvider() {
         // Some values providede by mathematica
         return [
             ['1', '0.64209261593433', 14],
+            ['1', '0.64209261593433070300641998659427', null],
             ['123.123', '1.45891895739232371', 17],
             ['15000000000', '-1.04405948230055701685', 20]
         ];
@@ -37,8 +38,8 @@ public function testSimple($nr, $answer, $digits)
      */
     public function testCotanPiDiv()
     {    	
-        $PI  = DecimalConstants::PI();
-        $PI->cotan();
+        $pi = DecimalConstants::pi();
+        $pi->cotan(30);
     }
 
 }

tests/Decimal/DecimalSecTest.php

@@ -12,6 +12,7 @@ public function SecProvider() {
         // Some values provided by Mathematica
         return [
             ['5', '3.52532008581609', 14],
+            ['5', '3.52532008581608840670180105996324', null],
             ['456.456', '-1.66172995090378344', 17],
             ['28000000000', '-1.11551381955633891873', 20],
         ];
@@ -23,7 +24,7 @@ public function SecProvider() {
     public function testSimple($nr, $answer, $digits)
     {
         $x = Decimal::fromString($nr);
-        $secX = $x->sec((int)$digits);
+        $secX = $x->sec($digits);
 
         $this->assertTrue(
             Decimal::fromString($answer)->equals($secX),

tests/Decimal/DecimalSinTest.php

@@ -12,6 +12,7 @@ public function sinProvider() {
         // Some values providede by mathematica
         return [
             ['1', '0.84147098480790', 14],
+            ['1', '0.84147098480789650665250232163030', null],
             ['123.123', '-0.56537391969733569', 17],
             ['15000000000', '0.69170450164193502844', 20]
         ];

tests/Decimal/DecimalTanTest.php

@@ -13,6 +13,7 @@ public function tanProvider() {
         // Some values providede by mathematica
         return [
             ['1', '1.55740772465490', 14],
+            ['1', '1.55740772465490223050697480745836', null],
             ['123.123', '0.68543903342472368', 17],
             ['15000000000', '-0.95779983511717825557', 20]
         ];
@@ -37,8 +38,8 @@ public function testSimple($nr, $answer, $digits)
      */
     public function testTanPiTwoDiv()
     {
-        $PiDividedByTwo = DecimalConstants::PI()->div(Decimal::fromInteger(2));
-        $PiDividedByTwo->tan();
+        $piDividedByTwo = DecimalConstants::pi()->div(Decimal::fromInteger(2));
+        $piDividedByTwo->tan(30);
     }
 
 }