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Searched refs:atan (Results 1 – 7 of 7) sorted by relevance

/PHP-7.4/ext/standard/tests/math/
H A Datan_basic.phpt2 Test return type and value for expected input atan()
8 * proto float atan(float number)
15 echo "atan 1.7320508075689 = ";
16 $atan1 = 360 * atan(1.7320508075689) / (2.0 * M_PI);
25 echo "atan 0.57735026918963 = ";
26 $atan2 = 360 * atan(0.57735026918963) / (2.0 * M_PI);
37 atan 1.7320508075689 = float(%f)
39 atan 0.57735026918963 = float(%f)
H A Datan_variation.phpt2 Test variations in usage of atan()
8 * proto float atan(float number)
13 //Test atan with a different input values
32 $res = atan($values[$i]);
48 Warning: atan() expects parameter 1 to be float, string given in %s on line %d
H A Datan_basiclong_64bit.phpt2 Test atan function : 64bit long tests
24 var_dump(atan($longVal));
/PHP-7.4/ext/standard/
H A Dphp_math.h36 PHP_FUNCTION(atan);
H A Dmath.c471 PHP_FUNCTION(atan) in PHP_FUNCTION() argument
478 RETURN_DOUBLE(atan(num)); in PHP_FUNCTION()
H A Dbasic_functions.c2940 PHP_FE(atan, arginfo_atan)
/PHP-7.4/ext/date/lib/
H A Dastro.c49 #define atand(x) (RADEG*atan(x))

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