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Restore original fdlibm copyright on sincos files #265

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Oct 18, 2022
Merged

Restore original fdlibm copyright on sincos files #265

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13 changes: 11 additions & 2 deletions src/s_sincos.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,14 @@
/* @(#)s_sincos.c 5.1 13/07/15 */
/*
/* See openlibm LICENSE.md for full license details.
*
* ====================================================
* This file is derived from fdlibm:
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
*
* ====================================================
* Copyright (C) 2013 Elliot Saba. All rights reserved.
*
Expand All @@ -25,7 +34,7 @@
* Borrow liberally from s_sin.c and s_cos.c, merging
* efforts where applicable and returning their values in
* appropriate variables, thereby slightly reducing the
* amount of work relative to just calling sin/cos(x)
* amount of work relative to just calling sin/cos(x)
* separately
*
* Special cases:
Expand Down
15 changes: 12 additions & 3 deletions src/s_sincosf.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,14 @@
/* s_sincosf.c -- float version of s_sincos.c
*
* ====================================================
* This file is derived from fdlibm:
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
*
* ====================================================
* Copyright (C) 2013 Elliot Saba
* Developed at the University of Washington
*
Expand Down Expand Up @@ -115,14 +124,14 @@ sincosf(float x, float * s, float * c) {
/* |x| ~<= 9*pi/4 */
if(ix<=0x40e231d5) {
/* |x| ~> 7*pi/4 */
if(ix<=0x40afeddf) {
if(ix<=0x40afeddf) {
if(hx>0) {
__kernel_sincosdf( x - sc3pio2, c, &k_s );
*s = -k_s;
} else {
__kernel_sincosdf( x + sc3pio2, &k_c, s );
*c = -k_c;
}
}
}
else {
if( hx > 0 ) {
Expand All @@ -148,7 +157,7 @@ sincosf(float x, float * s, float * c) {
case 1:
__kernel_sincosdf( -y, c, s );
break;
case 2:
case 2:
__kernel_sincosdf( -y, s, &k_c);
*c = -k_c;
break;
Expand Down