23 lines
421 B
C
23 lines
421 B
C
#ifndef lint
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static char sccsid[] = "@(#)r_atn2d.c 1.1 94/10/31 SMI"; /* from UCB 1.1" */
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#endif
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/*
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* VMS Fortran compatibility function:
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* two-argument arc tangent in degrees.
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*/
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#include <math.h>
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static float pitod = 57.2957795130823208767981548141; /* 180/pi */
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FLOATFUNCTIONTYPE r_atn2d(y,x)
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float *y,*x;
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{
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FLOATFUNCTIONTYPE w;
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float z;
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w = r_atan2_(y,x);
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z = *((float *)&w) * pitod;
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RETURNFLOAT(z);
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}
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