mirror of
https://github.com/php/php-src.git
synced 2025-08-15 13:38:49 +02:00
Added deprecation Division by zero when using power with zero as base and negative exponent
RFC: https://wiki.php.net/rfc/raising_zero_to_power_of_negative_number Closes GH-13128
This commit is contained in:
Jorg Sowa
Ilija Tovilo
parent
92b9543ca9
commit
23afe57f01
14 changed files with 564 additions and 15 deletions
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@ -352,6 +352,7 @@ PHP 8.4 UPGRADE NOTES
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- Standard:
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. Calling stream_context_set_option() with 2 arguments is deprecated.
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Use stream_context_set_options() instead.
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. Raising zero to the power of negative number is deprecated.
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========================================
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5. Changed Functions
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@ -545,6 +546,7 @@ PHP 8.4 UPGRADE NOTES
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. Added the http_get_last_response_headers() and
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http_clear_last_response_headers() that allows retrieving the same content
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as the magic $http_response_header variable.
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. Added function fpow() following rules of IEEE 754.
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- XSL:
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. Added XSLTProcessor::registerPhpFunctionNS().
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@ -8,6 +8,7 @@ if (getenv("SKIP_SLOW_TESTS")) die('skip slow test');
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?>
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--FILE--
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<?php
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error_reporting(E_ALL ^ E_DEPRECATED);
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$binaryOperators = [
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"==",
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@ -122,7 +123,7 @@ function prepareBinaryLine($op1, $op2, $cmp, $operator) {
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try {
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$result = makeParam($cmp());
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$line .= "if (" . ($result === "(NAN)" ? "!is_nan($compare)" : "$compare !== $result") . ") { $error }";
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} catch (Error $e) {
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} catch (Throwable $e) {
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$msg = makeParam($e->getMessage());
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$line .= "try { $compare; $error } catch (Error \$e) { if (\$e->getMessage() !== $msg) { $error } }";
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}
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@ -138,7 +139,7 @@ function prepareUnaryLine($op, $cmp, $operator) {
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try {
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$result = makeParam($cmp());
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$line .= "if (" . ($result === "(NAN)" ? "!is_nan($compare)" : "$compare !== $result") . ") { $error }";
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} catch (Error $e) {
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} catch (Throwable $e) {
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$msg = makeParam($e->getMessage());
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$line .= "try { $compare; $error } catch (Error \$e) { if (\$e->getMessage() !== $msg) { $error } }";
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}
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@ -7726,7 +7726,7 @@ static zend_string *zend_begin_func_decl(znode *result, zend_op_array *op_array,
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zend_string *separator = zend_empty_string;
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zend_string *function = filename;
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char *parens = "";
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if (CG(active_op_array) && CG(active_op_array)->function_name) {
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if (CG(active_op_array)->fn_flags & ZEND_ACC_CLOSURE) {
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/* If the parent function is a closure, don't redundantly
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@ -8992,6 +8992,10 @@ ZEND_API bool zend_binary_op_produces_error(uint32_t opcode, const zval *op1, co
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/* Division by zero throws an error. */
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return 1;
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}
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if ((opcode == ZEND_POW) && zval_get_long(op1) == 0 && zval_get_double(op2) < 0) {
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/* 0 ** (<0) throws a division by zero error. */
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return 1;
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}
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if ((opcode == ZEND_SL || opcode == ZEND_SR) && zval_get_long(op2) < 0) {
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/* Shift by negative number throws an error. */
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return 1;
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@ -1287,6 +1287,20 @@ ZEND_API zend_result ZEND_FASTCALL mul_function(zval *result, zval *op1, zval *o
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}
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/* }}} */
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static void ZEND_COLD zend_power_base_0_exponent_lt_0_error(void)
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{
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zend_error(E_DEPRECATED, "Power of base 0 and negative exponent is deprecated");
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}
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static double safe_pow(double base, double exponent)
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{
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if (UNEXPECTED(base == 0.0 && exponent < 0.0)) {
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zend_power_base_0_exponent_lt_0_error();
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}
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return pow(base, exponent);
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}
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static zend_result ZEND_FASTCALL pow_function_base(zval *result, zval *op1, zval *op2) /* {{{ */
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{
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uint8_t type_pair = TYPE_PAIR(Z_TYPE_P(op1), Z_TYPE_P(op2));
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@ -1311,14 +1325,14 @@ static zend_result ZEND_FASTCALL pow_function_base(zval *result, zval *op1, zval
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--i;
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ZEND_SIGNED_MULTIPLY_LONG(l1, l2, l1, dval, overflow);
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if (overflow) {
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ZVAL_DOUBLE(result, dval * pow(l2, i));
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ZVAL_DOUBLE(result, dval * safe_pow(l2, i));
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return SUCCESS;
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}
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} else {
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i /= 2;
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ZEND_SIGNED_MULTIPLY_LONG(l2, l2, l2, dval, overflow);
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if (overflow) {
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ZVAL_DOUBLE(result, (double)l1 * pow(dval, i));
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ZVAL_DOUBLE(result, (double)l1 * safe_pow(dval, i));
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return SUCCESS;
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}
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}
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@ -1326,17 +1340,17 @@ static zend_result ZEND_FASTCALL pow_function_base(zval *result, zval *op1, zval
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/* i == 0 */
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ZVAL_LONG(result, l1);
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} else {
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ZVAL_DOUBLE(result, pow((double)Z_LVAL_P(op1), (double)Z_LVAL_P(op2)));
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ZVAL_DOUBLE(result, safe_pow((double)Z_LVAL_P(op1), (double)Z_LVAL_P(op2)));
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}
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return SUCCESS;
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} else if (EXPECTED(type_pair == TYPE_PAIR(IS_DOUBLE, IS_DOUBLE))) {
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ZVAL_DOUBLE(result, pow(Z_DVAL_P(op1), Z_DVAL_P(op2)));
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ZVAL_DOUBLE(result, safe_pow(Z_DVAL_P(op1), Z_DVAL_P(op2)));
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return SUCCESS;
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} else if (EXPECTED(type_pair == TYPE_PAIR(IS_LONG, IS_DOUBLE))) {
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ZVAL_DOUBLE(result, pow((double)Z_LVAL_P(op1), Z_DVAL_P(op2)));
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ZVAL_DOUBLE(result, safe_pow((double)Z_LVAL_P(op1), Z_DVAL_P(op2)));
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return SUCCESS;
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} else if (EXPECTED(type_pair == TYPE_PAIR(IS_DOUBLE, IS_LONG))) {
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ZVAL_DOUBLE(result, pow(Z_DVAL_P(op1), (double)Z_LVAL_P(op2)));
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ZVAL_DOUBLE(result, safe_pow(Z_DVAL_P(op1), (double)Z_LVAL_P(op2)));
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return SUCCESS;
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} else {
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return FAILURE;
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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
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6
ext/standard/basic_functions_arginfo.h
generated
6
ext/standard/basic_functions_arginfo.h
generated
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@ -1,5 +1,5 @@
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/* This is a generated file, edit the .stub.php file instead.
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* Stub hash: 1ef54fdebc6a206c4af3438130db0cd12a62c8b6 */
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* Stub hash: 5d8e13990ce18bebc9c7e6a0a9a7ad8b7593d35b */
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ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_set_time_limit, 0, 1, _IS_BOOL, 0)
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ZEND_ARG_TYPE_INFO(0, seconds, IS_LONG, 0)
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@ -1732,6 +1732,8 @@ ZEND_END_ARG_INFO()
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#define arginfo_fdiv arginfo_fmod
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#define arginfo_fpow arginfo_fmod
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#if defined(HAVE_GETTIMEOFDAY)
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ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_microtime, 0, 0, MAY_BE_STRING|MAY_BE_DOUBLE)
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ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, as_float, _IS_BOOL, 0, "false")
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@ -2789,6 +2791,7 @@ ZEND_FUNCTION(base_convert);
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ZEND_FUNCTION(number_format);
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ZEND_FUNCTION(fmod);
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ZEND_FUNCTION(fdiv);
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ZEND_FUNCTION(fpow);
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#if defined(HAVE_GETTIMEOFDAY)
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ZEND_FUNCTION(microtime);
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#endif
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@ -3428,6 +3431,7 @@ static const zend_function_entry ext_functions[] = {
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ZEND_RAW_FENTRY("number_format", zif_number_format, arginfo_number_format, ZEND_ACC_COMPILE_TIME_EVAL, NULL, NULL)
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ZEND_RAW_FENTRY("fmod", zif_fmod, arginfo_fmod, ZEND_ACC_COMPILE_TIME_EVAL, NULL, NULL)
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ZEND_RAW_FENTRY("fdiv", zif_fdiv, arginfo_fdiv, ZEND_ACC_COMPILE_TIME_EVAL, NULL, NULL)
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ZEND_RAW_FENTRY("fpow", zif_fpow, arginfo_fpow, ZEND_ACC_COMPILE_TIME_EVAL, NULL, NULL)
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#if defined(HAVE_GETTIMEOFDAY)
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ZEND_FE(microtime, arginfo_microtime)
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#endif
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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 base, exponent;
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ZEND_PARSE_PARAMETERS_START(2, 2)
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Z_PARAM_DOUBLE(base)
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Z_PARAM_DOUBLE(exponent)
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ZEND_PARSE_PARAMETERS_END();
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RETURN_DOUBLE(pow(base, exponent));
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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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{
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@ -42,7 +42,7 @@ var_dump($inf==='abc');
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var_dump($inf===$inf);
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?>
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--EXPECT--
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--EXPECTF--
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float(NAN)
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bool(true)
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bool(false)
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@ -57,6 +57,8 @@ bool(false)
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bool(false)
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bool(false)
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bool(false)
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Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
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float(INF)
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bool(true)
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bool(false)
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362
ext/standard/tests/math/fpow.phpt
Normal file
362
ext/standard/tests/math/fpow.phpt
Normal file
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@ -0,0 +1,362 @@
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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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$numbers = [
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0,
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1,
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-1,
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1.0,
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-1.0,
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2,
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-2,
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2.1,
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-2.1,
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0.1,
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-0.1,
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0.0,
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-0.0,
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10,
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-10,
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INF,
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-INF,
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NAN,
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];
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foreach ($numbers as $base) {
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foreach ($numbers as $exp) {
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print str_pad($base, 4, " ", STR_PAD_LEFT) .
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" ** " .
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str_pad($exp, 4) .
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" = " .
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fpow($base, $exp) .
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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 ** -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 ** -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 ** -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 ** -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 ** -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
|
||||
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
|
||||
2 ** 0 = 1
|
||||
2 ** -0 = 1
|
||||
2 ** 10 = 1024
|
||||
2 ** -10 = 0.0009765625
|
||||
2 ** INF = INF
|
||||
2 ** -INF = 0
|
||||
2 ** NAN = NAN
|
||||
-2 ** 0 = 1
|
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-2 ** 1 = -2
|
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-2 ** -1 = -0.5
|
||||
-2 ** 1 = -2
|
||||
-2 ** -1 = -0.5
|
||||
-2 ** 2 = 4
|
||||
-2 ** -2 = 0.25
|
||||
-2 ** 2.1 = NAN
|
||||
-2 ** -2.1 = NAN
|
||||
-2 ** 0.1 = NAN
|
||||
-2 ** -0.1 = NAN
|
||||
-2 ** 0 = 1
|
||||
-2 ** -0 = 1
|
||||
-2 ** 10 = 1024
|
||||
-2 ** -10 = 0.0009765625
|
||||
-2 ** INF = INF
|
||||
-2 ** -INF = 0
|
||||
-2 ** NAN = NAN
|
||||
2.1 ** 0 = 1
|
||||
2.1 ** 1 = 2.1
|
||||
2.1 ** -1 = 0.47619047619048
|
||||
2.1 ** 1 = 2.1
|
||||
2.1 ** -1 = 0.47619047619048
|
||||
2.1 ** 2 = 4.41
|
||||
2.1 ** -2 = 0.22675736961451
|
||||
2.1 ** 2.1 = 4.7496380917422
|
||||
2.1 ** -2.1 = 0.21054235726688
|
||||
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
|
||||
2.1 ** -INF = 0
|
||||
2.1 ** NAN = NAN
|
||||
-2.1 ** 0 = 1
|
||||
-2.1 ** 1 = -2.1
|
||||
-2.1 ** -1 = -0.47619047619048
|
||||
-2.1 ** 1 = -2.1
|
||||
-2.1 ** -1 = -0.47619047619048
|
||||
-2.1 ** 2 = 4.41
|
||||
-2.1 ** -2 = 0.22675736961451
|
||||
-2.1 ** 2.1 = NAN
|
||||
-2.1 ** -2.1 = NAN
|
||||
-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
|
||||
-2.1 ** -INF = 0
|
||||
-2.1 ** NAN = NAN
|
||||
0.1 ** 0 = 1
|
||||
0.1 ** 1 = 0.1
|
||||
0.1 ** -1 = 10
|
||||
0.1 ** 1 = 0.1
|
||||
0.1 ** -1 = 10
|
||||
0.1 ** 2 = 0.01
|
||||
0.1 ** -2 = 100
|
||||
0.1 ** 2.1 = 0.0079432823472428
|
||||
0.1 ** -2.1 = 125.89254117942
|
||||
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
|
||||
0.1 ** -INF = INF
|
||||
0.1 ** NAN = NAN
|
||||
-0.1 ** 0 = 1
|
||||
-0.1 ** 1 = -0.1
|
||||
-0.1 ** -1 = -10
|
||||
-0.1 ** 1 = -0.1
|
||||
-0.1 ** -1 = -10
|
||||
-0.1 ** 2 = 0.01
|
||||
-0.1 ** -2 = 100
|
||||
-0.1 ** 2.1 = NAN
|
||||
-0.1 ** -2.1 = NAN
|
||||
-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
|
||||
-0.1 ** -INF = INF
|
||||
-0.1 ** 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
|
||||
-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
|
||||
10 ** 1 = 10
|
||||
10 ** -1 = 0.1
|
||||
10 ** 2 = 100
|
||||
10 ** -2 = 0.01
|
||||
10 ** 2.1 = 125.89254117942
|
||||
10 ** -2.1 = 0.0079432823472428
|
||||
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
|
||||
10 ** -INF = 0
|
||||
10 ** NAN = NAN
|
||||
-10 ** 0 = 1
|
||||
-10 ** 1 = -10
|
||||
-10 ** -1 = -0.1
|
||||
-10 ** 1 = -10
|
||||
-10 ** -1 = -0.1
|
||||
-10 ** 2 = 100
|
||||
-10 ** -2 = 0.01
|
||||
-10 ** 2.1 = NAN
|
||||
-10 ** -2.1 = NAN
|
||||
-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
|
||||
-10 ** -INF = 0
|
||||
-10 ** NAN = NAN
|
||||
INF ** 0 = 1
|
||||
INF ** 1 = INF
|
||||
INF ** -1 = 0
|
||||
INF ** 1 = INF
|
||||
INF ** -1 = 0
|
||||
INF ** 2 = INF
|
||||
INF ** -2 = 0
|
||||
INF ** 2.1 = INF
|
||||
INF ** -2.1 = 0
|
||||
INF ** 0.1 = INF
|
||||
INF ** -0.1 = 0
|
||||
INF ** 0 = 1
|
||||
INF ** -0 = 1
|
||||
INF ** 10 = INF
|
||||
INF ** -10 = 0
|
||||
INF ** INF = INF
|
||||
INF ** -INF = 0
|
||||
INF ** NAN = NAN
|
||||
-INF ** 0 = 1
|
||||
-INF ** 1 = -INF
|
||||
-INF ** -1 = -0
|
||||
-INF ** 1 = -INF
|
||||
-INF ** -1 = -0
|
||||
-INF ** 2 = INF
|
||||
-INF ** -2 = 0
|
||||
-INF ** 2.1 = INF
|
||||
-INF ** -2.1 = 0
|
||||
-INF ** 0.1 = INF
|
||||
-INF ** -0.1 = 0
|
||||
-INF ** 0 = 1
|
||||
-INF ** -0 = 1
|
||||
-INF ** 10 = INF
|
||||
-INF ** -10 = 0
|
||||
-INF ** INF = INF
|
||||
-INF ** -INF = 0
|
||||
-INF ** NAN = NAN
|
||||
NAN ** 0 = 1
|
||||
NAN ** 1 = NAN
|
||||
NAN ** -1 = NAN
|
||||
NAN ** 1 = NAN
|
||||
NAN ** -1 = NAN
|
||||
NAN ** 2 = NAN
|
||||
NAN ** -2 = NAN
|
||||
NAN ** 2.1 = NAN
|
||||
NAN ** -2.1 = NAN
|
||||
NAN ** 0.1 = NAN
|
||||
NAN ** -0.1 = NAN
|
||||
NAN ** 0 = 1
|
||||
NAN ** -0 = 1
|
||||
NAN ** 10 = NAN
|
||||
NAN ** -10 = NAN
|
||||
NAN ** INF = NAN
|
||||
NAN ** -INF = NAN
|
||||
NAN ** NAN = NAN
|
||||
|
|
@ -21,7 +21,8 @@ for ($i = 0; $i < count($values); $i++) {
|
|||
var_dump($res);
|
||||
}
|
||||
?>
|
||||
--EXPECT--
|
||||
--EXPECTF--
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
|
|
|||
|
|
@ -21,7 +21,8 @@ for ($i = 0; $i < count($values); $i++) {
|
|||
var_dump($res);
|
||||
}
|
||||
?>
|
||||
--EXPECT--
|
||||
--EXPECTF--
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(false)
|
||||
bool(false)
|
||||
bool(false)
|
||||
|
|
|
|||
|
|
@ -23,7 +23,8 @@ for ($i = 0; $i < count($values); $i++) {
|
|||
}
|
||||
|
||||
?>
|
||||
--EXPECT--
|
||||
--EXPECTF--
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(false)
|
||||
bool(false)
|
||||
bool(false)
|
||||
|
|
|
|||
|
|
@ -143,7 +143,7 @@ var_dump(epsilon_equal( LONG_MAX*LONG_MAX , pow(LONG_MAX,2.0) ));
|
|||
var_dump(epsilon_equal( LONG_MIN*LONG_MIN , pow(LONG_MIN,2.0) ));
|
||||
|
||||
?>
|
||||
--EXPECT--
|
||||
--EXPECTF--
|
||||
1,1,0,0
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
|
@ -155,7 +155,11 @@ bool(true)
|
|||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
|
@ -180,7 +184,11 @@ bool(true)
|
|||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
|
@ -212,7 +220,11 @@ bool(true)
|
|||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
|
@ -237,7 +249,11 @@ bool(true)
|
|||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
bool(true)
|
||||
bool(true)
|
||||
bool(true)
|
||||
|
|
|
|||
122
ext/standard/tests/math/pow_divisionbyzero.phpt
Normal file
122
ext/standard/tests/math/pow_divisionbyzero.phpt
Normal file
|
|
@ -0,0 +1,122 @@
|
|||
--TEST--
|
||||
pow() division by zero error
|
||||
--FILE--
|
||||
<?php
|
||||
|
||||
function test() {
|
||||
var_dump(pow(0, -0));
|
||||
var_dump(pow(0.0, -0));
|
||||
var_dump(pow(0, -0.0));
|
||||
var_dump(pow(0.0, -0.0));
|
||||
var_dump(pow(0, -0.01));
|
||||
var_dump(pow(0.0, -0.01));
|
||||
var_dump(pow(0, -1));
|
||||
var_dump(pow(0.0, -1));
|
||||
var_dump(pow(0, -1.1));
|
||||
var_dump(pow(0.0, -1.1));
|
||||
|
||||
var_dump(0 ** -0);
|
||||
var_dump(0.0 ** -0);
|
||||
var_dump(0 ** -0.0);
|
||||
var_dump(0.0 ** -0.0);
|
||||
var_dump(0 ** -0.01);
|
||||
var_dump(0.0 ** -0.01);
|
||||
var_dump(0 ** -1);
|
||||
var_dump(0.0 ** -1);
|
||||
var_dump(0 ** -1.1);
|
||||
var_dump(0.0 ** -1.1);
|
||||
}
|
||||
|
||||
test();
|
||||
test();
|
||||
|
||||
?>
|
||||
--EXPECTF--
|
||||
int(1)
|
||||
float(1)
|
||||
float(1)
|
||||
float(1)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
int(1)
|
||||
float(1)
|
||||
float(1)
|
||||
float(1)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
int(1)
|
||||
float(1)
|
||||
float(1)
|
||||
float(1)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
int(1)
|
||||
float(1)
|
||||
float(1)
|
||||
float(1)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
|
||||
Deprecated: Power of base 0 and negative exponent is deprecated in %s on line %d
|
||||
float(INF)
|
||||
Loading…
Add table
Add a link
Reference in a new issue