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al - Audio Library Functions gDP - DP GBI Macros gdSP - General GBI Macros gSP - SP GBI Macros gt - Turbo Microcode RDP gu - Graphics Utilities Math - Math Functions
nuSys - NuSystem os - N64 Operating System sp - Sprite Library Functions uh - Host to Target IO 64DD - N64 Disk DriveNintendo® Confidential |
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log
logf
Syntax#include <math.h> double log(double x); float logf(float x);
Arguments
- x is the original value
The natural logarithm of x
Explanation
It calculates the natural logarithm of x by using this formula:
log(x) = 2* ((x-1)/(x+1) +2/3* ((X-1)/(X+1))^3 + (2/(2k+1) (x-1)/(x+1)^(2k+1) (k=0,1,2....) log(2^k *x) = k * log(2) + log(x)Note
This standard function comes with NuSystem.
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Nintendo® Confidential Warning: all information in this document is confidential and covered by a non-disclosure agreement. You are responsible for keeping this information confidential and protected. Nintendo will vigorously enforce this responsibility. Copyright © 1998 Nintendo of America Inc. All rights reserved Nintendo and N64 are registered trademarks of Nintendo Last updated March 1998 |