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35 lines
663 B
C
35 lines
663 B
C
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/* @(#)z_atan2f.c 1.0 98/08/13 */
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/******************************************************************
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* Arctangent2
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*
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* Input:
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* v, u - floating point values
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*
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* Output:
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* arctan2 of v / u
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*
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* Description:
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* This routine returns the arctan2 of v / u.
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*
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*****************************************************************/
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#include "fdlibm.h"
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#include "zmath.h"
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float
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_DEFUN (atan2f, (float, float),
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float v _AND
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float u)
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{
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return (atangentf (0.0, v, u, 1));
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}
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#ifdef _DOUBLE_IS_32BITS
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double atan2 (double v, double u)
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{
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return (double) atangentf (0.0, (float) v, (float) u, 1);
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}
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#endif /* defined(_DOUBLE_IS_32BITS) */
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