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Last change
on this file since 471 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
627 bytes
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| 1 | |
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| 2 | /* @(#)z_atan2f.c 1.0 98/08/13 */ |
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| 3 | /****************************************************************** |
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| 4 | * Arctangent2 |
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| 5 | * |
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| 6 | * Input: |
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| 7 | * v, u - floating point values |
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| 8 | * |
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| 9 | * Output: |
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| 10 | * arctan2 of v / u |
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| 11 | * |
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| 12 | * Description: |
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| 13 | * This routine returns the arctan2 of v / u. |
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| 14 | * |
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| 15 | *****************************************************************/ |
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| 16 | |
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| 17 | #include "fdlibm.h" |
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| 18 | #include "zmath.h" |
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| 19 | |
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| 20 | float |
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| 21 | atan2f (float v, |
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| 22 | float u) |
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| 23 | { |
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| 24 | return (atangentf (0.0, v, u, 1)); |
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| 25 | } |
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| 26 | |
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| 27 | #ifdef _DOUBLE_IS_32BITS |
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| 28 | double atan2 (double v, double u) |
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| 29 | { |
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| 30 | return (double) atangentf (0.0, (float) v, (float) u, 1); |
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| 31 | } |
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| 32 | |
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| 33 | #endif /* defined(_DOUBLE_IS_32BITS) */ |
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