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Re: [Yafray-devel] another Question :)
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From: |
Andrea |
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Subject: |
Re: [Yafray-devel] another Question :) |
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Date: |
27 Mar 2003 16:24:14 +0100 |
Il gio, 2003-03-27 alle 04:59, Rodrigo Placencia ha scritto:
> i hope is the last but i can't find the definition/declaration of M_PI
> nor M_1_PI in the headers, i assume that
> M_PI could be: #define M_PI ((float) 3.141592654f)
> but the other i can't figure :(
>
> thx in advance
> Rodrigo
<math.h> :
# define M_PI 3.14159265358979323846 /* pi */
# define M_PI_2 1.57079632679489661923 /* pi/2 */
# define M_PI_4 0.78539816339744830962 /* pi/4 */
# define M_1_PI 0.31830988618379067154 /* 1/pi */
# define M_2_PI 0.63661977236758134308 /* 2/pi */
But the code use cmath.h for the definituions...
M_PI* are the same as math.h (I guess)
Andera
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