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Long Term Support Release
Differences Between: [Versions 400 and 401]
1 <?php 2 3 namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig; 4 5 use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled; 6 use PhpOffice\PhpSpreadsheet\Calculation\Exception; 7 use PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Helpers; 8 9 class Cosine 10 { 11 use ArrayEnabled; 12 13 /** 14 * COS. 15 * 16 * Returns the result of builtin function cos after validating args. 17 * 18 * @param mixed $number Should be numeric, or can be an array of numbers 19 * 20 * @return array|float|string cosine 21 * If an array of numbers is passed as the argument, then the returned result will also be an array 22 * with the same dimensions 23 */ 24 public static function cos($number) 25 { 26 if (is_array($number)) { 27 return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $number); 28 } 29 30 try { 31 $number = Helpers::validateNumericNullBool($number); 32 } catch (Exception $e) { 33 return $e->getMessage(); 34 } 35 36 return cos($number); 37 } 38 39 /** 40 * COSH. 41 * 42 * Returns the result of builtin function cosh after validating args. 43 * 44 * @param mixed $number Should be numeric, or can be an array of numbers 45 * 46 * @return array|float|string hyperbolic cosine 47 * If an array of numbers is passed as the argument, then the returned result will also be an array 48 * with the same dimensions 49 */ 50 public static function cosh($number) 51 { 52 if (is_array($number)) { 53 return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $number); 54 } 55 56 try { 57 $number = Helpers::validateNumericNullBool($number); 58 } catch (Exception $e) { 59 return $e->getMessage(); 60 } 61 62 return cosh($number); 63 } 64 65 /** 66 * ACOS. 67 * 68 * Returns the arccosine of a number. 69 * 70 * @param array|float $number Number, or can be an array of numbers 71 * 72 * @return array|float|string The arccosine of the number 73 * If an array of numbers is passed as the argument, then the returned result will also be an array 74 * with the same dimensions 75 */ 76 public static function acos($number) 77 { 78 if (is_array($number)) { 79 return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $number); 80 } 81 82 try { 83 $number = Helpers::validateNumericNullBool($number); 84 } catch (Exception $e) { 85 return $e->getMessage(); 86 } 87 88 return Helpers::numberOrNan(acos($number)); 89 } 90 91 /** 92 * ACOSH. 93 * 94 * Returns the arc inverse hyperbolic cosine of a number. 95 * 96 * @param array|float $number Number, or can be an array of numbers 97 * 98 * @return array|float|string The inverse hyperbolic cosine of the number, or an error string 99 * If an array of numbers is passed as the argument, then the returned result will also be an array 100 * with the same dimensions 101 */ 102 public static function acosh($number) 103 { 104 if (is_array($number)) { 105 return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $number); 106 } 107 108 try { 109 $number = Helpers::validateNumericNullBool($number); 110 } catch (Exception $e) { 111 return $e->getMessage(); 112 } 113 114 return Helpers::numberOrNan(acosh($number)); 115 } 116 }
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