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jorgsowajorgsowa
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Added function fpow
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4 files changed

+327
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‎ext/standard/basic_functions.stub.php

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@@ -3274,6 +3274,11 @@ function fmod(float $num1, float $num2): float {}
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*/
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function fdiv(float $num1, float $num2): float {}
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/**
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* @compile-time-eval
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*/
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function fpow(float $num1, float $num2): float {}
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/* microtime.c */
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#ifdef HAVE_GETTIMEOFDAY

‎ext/standard/basic_functions_arginfo.h

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‎ext/standard/math.c

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@@ -1389,6 +1389,20 @@ PHP_FUNCTION(fdiv)
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}
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/* }}} */
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/* {{{ Perform floating-point exponentiation with IEEE-754 semantics. */
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PHP_FUNCTION(fpow)
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{
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double dividend, divisor;
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ZEND_PARSE_PARAMETERS_START(2, 2)
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Z_PARAM_DOUBLE(dividend)
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Z_PARAM_DOUBLE(divisor)
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ZEND_PARSE_PARAMETERS_END();
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RETURN_DOUBLE(pow(dividend, divisor));
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}
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/* }}} */
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/* {{{ Returns the integer quotient of the division of dividend by divisor */
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PHP_FUNCTION(intdiv)
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{

‎ext/standard/tests/math/fpow.phpt

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--TEST--
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fpow() function
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--FILE--
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<?php
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$numbers = [0, 1, -1, 1.0, -1.0, 2, -2, 2.1, -2.1, 0.1, -0.1, 0.0 -0.0, 10, -10, INF, -INF, NAN];
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foreach($numbers as $base) {
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foreach($numbers as $exp) {
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print str_pad($base, 4,' ', STR_PAD_LEFT).' ** ' . str_pad($exp,4) .' = '. fpow($base, $exp) . PHP_EOL;
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}
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}
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?>
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--EXPECT--
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0 ** 0 = 1
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0 ** 1 = 0
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0 ** -1 = INF
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0 ** 1 = 0
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0 ** -1 = INF
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0 ** 2 = 0
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0 ** -2 = INF
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0 ** 2.1 = 0
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0 ** -2.1 = INF
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0 ** 0.1 = 0
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0 ** -0.1 = INF
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0 ** 0 = 1
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0 ** 10 = 0
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0 ** -10 = INF
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0 ** INF = 0
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0 ** -INF = INF
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0 ** NAN = NAN
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1 ** 0 = 1
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1 ** 1 = 1
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1 ** -1 = 1
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1 ** 1 = 1
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1 ** -1 = 1
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1 ** 2 = 1
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1 ** -2 = 1
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1 ** 2.1 = 1
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1 ** -2.1 = 1
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1 ** 0.1 = 1
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1 ** -0.1 = 1
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1 ** 0 = 1
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1 ** 10 = 1
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1 ** -10 = 1
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1 ** INF = 1
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1 ** -INF = 1
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1 ** NAN = 1
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-1 ** 0 = 1
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-1 ** 1 = -1
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-1 ** -1 = -1
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-1 ** 1 = -1
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-1 ** -1 = -1
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-1 ** 2 = 1
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-1 ** -2 = 1
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-1 ** 2.1 = NAN
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-1 ** -2.1 = NAN
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-1 ** 0.1 = NAN
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-1 ** -0.1 = NAN
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-1 ** 0 = 1
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-1 ** 10 = 1
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-1 ** -10 = 1
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-1 ** INF = 1
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-1 ** -INF = 1
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-1 ** NAN = NAN
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1 ** 0 = 1
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1 ** 1 = 1
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1 ** -1 = 1
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1 ** 1 = 1
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1 ** -1 = 1
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1 ** 2 = 1
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1 ** -2 = 1
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1 ** 2.1 = 1
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1 ** -2.1 = 1
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1 ** 0.1 = 1
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1 ** -0.1 = 1
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1 ** 0 = 1
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1 ** 10 = 1
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1 ** -10 = 1
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1 ** INF = 1
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1 ** -INF = 1
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1 ** NAN = 1
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-1 ** 0 = 1
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-1 ** 1 = -1
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-1 ** -1 = -1
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-1 ** 1 = -1
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-1 ** -1 = -1
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-1 ** 2 = 1
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-1 ** -2 = 1
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-1 ** 2.1 = NAN
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-1 ** -2.1 = NAN
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-1 ** 0.1 = NAN
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-1 ** -0.1 = NAN
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-1 ** 0 = 1
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-1 ** 10 = 1
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-1 ** -10 = 1
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-1 ** INF = 1
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-1 ** -INF = 1
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-1 ** NAN = NAN
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2 ** 0 = 1
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2 ** 1 = 2
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2 ** -1 = 0.5
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2 ** 1 = 2
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2 ** -1 = 0.5
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2 ** 2 = 4
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2 ** -2 = 0.25
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2 ** 2.1 = 4.2870938501452
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2 ** -2.1 = 0.2332582478842
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2 ** 0.1 = 1.0717734625363
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2 ** -0.1 = 0.93303299153681
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2 ** 0 = 1
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2 ** 10 = 1024
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2 ** -10 = 0.0009765625
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2 ** INF = INF
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2 ** -INF = 0
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2 ** NAN = NAN
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-2 ** 0 = 1
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-2 ** 1 = -2
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-2 ** -1 = -0.5
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-2 ** 1 = -2
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-2 ** -1 = -0.5
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-2 ** 2 = 4
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-2 ** -2 = 0.25
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-2 ** 2.1 = NAN
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-2 ** -2.1 = NAN
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-2 ** 0.1 = NAN
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-2 ** -0.1 = NAN
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-2 ** 0 = 1
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-2 ** 10 = 1024
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-2 ** -10 = 0.0009765625
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-2 ** INF = INF
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-2 ** -INF = 0
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-2 ** NAN = NAN
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2.1 ** 0 = 1
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2.1 ** 1 = 2.1
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2.1 ** -1 = 0.47619047619048
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2.1 ** 1 = 2.1
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2.1 ** -1 = 0.47619047619048
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2.1 ** 2 = 4.41
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2.1 ** -2 = 0.22675736961451
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2.1 ** 2.1 = 4.7496380917422
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2.1 ** -2.1 = 0.21054235726688
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2.1 ** 0.1 = 1.0770154403044
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2.1 ** -0.1 = 0.92849179554696
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2.1 ** 0 = 1
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2.1 ** 10 = 1667.9880978201
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2.1 ** -10 = 0.0005995246616609
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2.1 ** INF = INF
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2.1 ** -INF = 0
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2.1 ** NAN = NAN
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-2.1 ** 0 = 1
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-2.1 ** 1 = -2.1
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-2.1 ** -1 = -0.47619047619048
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-2.1 ** 1 = -2.1
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-2.1 ** -1 = -0.47619047619048
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-2.1 ** 2 = 4.41
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-2.1 ** -2 = 0.22675736961451
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-2.1 ** 2.1 = NAN
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-2.1 ** -2.1 = NAN
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-2.1 ** 0.1 = NAN
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-2.1 ** -0.1 = NAN
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-2.1 ** 0 = 1
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-2.1 ** 10 = 1667.9880978201
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-2.1 ** -10 = 0.0005995246616609
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-2.1 ** INF = INF
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-2.1 ** -INF = 0
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-2.1 ** NAN = NAN
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0.1 ** 0 = 1
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0.1 ** 1 = 0.1
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0.1 ** -1 = 10
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0.1 ** 1 = 0.1
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0.1 ** -1 = 10
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0.1 ** 2 = 0.01
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0.1 ** -2 = 100
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0.1 ** 2.1 = 0.0079432823472428
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0.1 ** -2.1 = 125.89254117942
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0.1 ** 0.1 = 0.79432823472428
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0.1 ** -0.1 = 1.2589254117942
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0.1 ** 0 = 1
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0.1 ** 10 = 1.0E-10
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0.1 ** -10 = 10000000000
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0.1 ** INF = 0
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0.1 ** -INF = INF
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0.1 ** NAN = NAN
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-0.1 ** 0 = 1
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-0.1 ** 1 = -0.1
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-0.1 ** -1 = -10
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-0.1 ** 1 = -0.1
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-0.1 ** -1 = -10
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-0.1 ** 2 = 0.01
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-0.1 ** -2 = 100
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-0.1 ** 2.1 = NAN
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-0.1 ** -2.1 = NAN
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-0.1 ** 0.1 = NAN
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-0.1 ** -0.1 = NAN
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-0.1 ** 0 = 1
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-0.1 ** 10 = 1.0E-10
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-0.1 ** -10 = 10000000000
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-0.1 ** INF = 0
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-0.1 ** -INF = INF
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-0.1 ** NAN = NAN
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0 ** 0 = 1
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0 ** 1 = 0
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0 ** -1 = INF
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0 ** 1 = 0
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0 ** -1 = INF
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0 ** 2 = 0
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0 ** -2 = INF
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0 ** 2.1 = 0
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0 ** -2.1 = INF
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0 ** 0.1 = 0
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0 ** -0.1 = INF
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0 ** 0 = 1
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0 ** 10 = 0
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0 ** -10 = INF
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0 ** INF = 0
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0 ** -INF = INF
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0 ** NAN = NAN
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10 ** 0 = 1
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10 ** 1 = 10
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10 ** -1 = 0.1
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10 ** 1 = 10
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10 ** -1 = 0.1
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10 ** 2 = 100
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10 ** -2 = 0.01
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10 ** 2.1 = 125.89254117942
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10 ** -2.1 = 0.0079432823472428
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10 ** 0.1 = 1.2589254117942
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10 ** -0.1 = 0.79432823472428
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10 ** 0 = 1
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10 ** 10 = 10000000000
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10 ** -10 = 1.0E-10
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10 ** INF = INF
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10 ** -INF = 0
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10 ** NAN = NAN
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-10 ** 0 = 1
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-10 ** 1 = -10
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-10 ** -1 = -0.1
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-10 ** 1 = -10
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-10 ** -1 = -0.1
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-10 ** 2 = 100
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-10 ** -2 = 0.01
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-10 ** 2.1 = NAN
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-10 ** -2.1 = NAN
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-10 ** 0.1 = NAN
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-10 ** -0.1 = NAN
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-10 ** 0 = 1
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-10 ** 10 = 10000000000
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-10 ** -10 = 1.0E-10
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-10 ** INF = INF
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-10 ** -INF = 0
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-10 ** NAN = NAN
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INF ** 0 = 1
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INF ** 1 = INF
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INF ** -1 = 0
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INF ** 1 = INF
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INF ** -1 = 0
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INF ** 2 = INF
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INF ** -2 = 0
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INF ** 2.1 = INF
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INF ** -2.1 = 0
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INF ** 0.1 = INF
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INF ** -0.1 = 0
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INF ** 0 = 1
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INF ** 10 = INF
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INF ** -10 = 0
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INF ** INF = INF
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INF ** -INF = 0
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INF ** NAN = NAN
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-INF ** 0 = 1
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-INF ** 1 = -INF
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-INF ** -1 = -0
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-INF ** 1 = -INF
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-INF ** -1 = -0
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-INF ** 2 = INF
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-INF ** -2 = 0
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-INF ** 2.1 = INF
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-INF ** -2.1 = 0
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-INF ** 0.1 = INF
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-INF ** -0.1 = 0
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-INF ** 0 = 1
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-INF ** 10 = INF
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-INF ** -10 = 0
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-INF ** INF = INF
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-INF ** -INF = 0
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-INF ** NAN = NAN
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NAN ** 0 = 1
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NAN ** 1 = NAN
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NAN ** -1 = NAN
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NAN ** 1 = NAN
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NAN ** -1 = NAN
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NAN ** 2 = NAN
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NAN ** -2 = NAN
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NAN ** 2.1 = NAN
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NAN ** -2.1 = NAN
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NAN ** 0.1 = NAN
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NAN ** -0.1 = NAN
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NAN ** 0 = 1
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NAN ** 10 = NAN
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NAN ** -10 = NAN
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NAN ** INF = NAN
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NAN ** -INF = NAN
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NAN ** NAN = NAN

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