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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <meta name="generator" content="HTML Tidy for Linux/x86 (vers 1st October 2002), see www.w3.org"> <title>Standard C Math</title> </head> <body bgcolor="#ffffff"> <table width="100%" bgcolor="#eeeeff"> <tr> <td><a href="index.html">cppreference.com</a> -> Standard C Math</td> </tr> </table> <h3>Standard C Math</h3> <table> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#abs">abs()</a></td> <td>absolute value</td> </tr> <tr> <td><a href="stdmath_details.html#acos">acos()</a></td> <td>arc cosine</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#asin">asin()</a></td> <td>arc sine</td> </tr> <tr> <td><a href="stdmath_details.html#atan">atan()</a></td> <td>arc tangent</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#atan2">atan2()</a></td> <td>arc tangent, using signs to determine quadrants</td> </tr> <tr> <td><a href="stdmath_details.html#ceil">ceil()</a></td> <td>the smallest integer not less than a certain value</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#cos">cos()</a></td> <td>cosine</td> </tr> <tr> <td><a href="stdmath_details.html#cosh">cosh()</a></td> <td>hyperbolic cosine</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#div">div()</a></td> <td>returns the quotient and remainder of a division</td> </tr> <tr> <td><a href="stdmath_details.html#exp">exp()</a></td> <td>returns "e" raised to a given power</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#fabs">fabs()</a></td> <td>absolute value for floating-point numbers</td> </tr> <tr> <td><a href="stdmath_details.html#floor">floor()</a></td> <td>returns the largest integer not greater than a given value</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#fmod">fmod()</a></td> <td>returns the remainder of a division</td> </tr> <tr> <td><a href="stdmath_details.html#frexp">frexp()</a></td> <td>decomposes a number into scientific notation</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#labs">labs()</a></td> <td>absolute value for long integers</td> </tr> <tr> <td><a href="stdmath_details.html#ldexp">ldexp()</a></td> <td>computes a number in scientific notation</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#ldiv">ldiv()</a></td> <td>returns the quotient and remainder of a division, in long integer form</td> </tr> <tr> <td><a href="stdmath_details.html#log">log()</a></td> <td>natural logarithm</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#log10">log10()</a></td> <td>natural logarithm, in base 10</td> </tr> <tr> <td><a href="stdmath_details.html#modf">modf()</a></td> <td>decomposes a number into integer and fractional parts</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#pow">pow()</a></td> <td>returns a given number raised to another number</td> </tr> <tr> <td><a href="stdmath_details.html#sin">sin()</a></td> <td>sine</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#sinh">sinh()</a></td> <td>hyperbolic sine</td> </tr> <tr> <td><a href="stdmath_details.html#sqrt">sqrt()</a></td> <td>square root</td> </tr> <tr bgcolor="#eeeeff"> <td><a href="stdmath_details.html#tan">tan()</a></td> <td>tangent</td> </tr> <tr> <td><a href="stdmath_details.html#tanh">tanh()</a></td> <td>hyperbolic tangent</td> </tr> </table> </body></html>⌨️ 快捷键说明
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