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comparison: gfx/cairo/lround-c99-only.patch
gfx/cairo/lround-c99-only.patch
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:2b7c674890ee |
|---|---|
| 1 Only use lround in C99 programs. | |
| 2 | |
| 3 diff --git a/gfx/cairo/cairo/src/cairo-misc.c b/gfx/cairo/cairo/src/cairo-misc.c | |
| 4 --- a/gfx/cairo/cairo/src/cairo-misc.c | |
| 5 +++ b/gfx/cairo/cairo/src/cairo-misc.c | |
| 6 @@ -478,17 +478,17 @@ _cairo_operator_bounded_by_either (cairo | |
| 7 case CAIRO_OPERATOR_IN: | |
| 8 case CAIRO_OPERATOR_DEST_IN: | |
| 9 case CAIRO_OPERATOR_DEST_ATOP: | |
| 10 return 0; | |
| 11 } | |
| 12 | |
| 13 } | |
| 14 | |
| 15 -#if DISABLE_SOME_FLOATING_POINT | |
| 16 +#if DISABLE_SOME_FLOATING_POINT || __STDC_VERSION__ < 199901L | |
| 17 /* This function is identical to the C99 function lround(), except that it | |
| 18 * performs arithmetic rounding (floor(d + .5) instead of away-from-zero rounding) and | |
| 19 * has a valid input range of (INT_MIN, INT_MAX] instead of | |
| 20 * [INT_MIN, INT_MAX]. It is much faster on both x86 and FPU-less systems | |
| 21 * than other commonly used methods for rounding (lround, round, rint, lrint | |
| 22 * or float (d + 0.5)). | |
| 23 * | |
| 24 * The reason why this function is much faster on x86 than other | |
| 25 diff --git a/gfx/cairo/cairo/src/cairoint.h b/gfx/cairo/cairo/src/cairoint.h | |
| 26 --- a/gfx/cairo/cairo/src/cairoint.h | |
| 27 +++ b/gfx/cairo/cairo/src/cairoint.h | |
| 28 @@ -969,17 +969,17 @@ _cairo_restrict_value (double value, dou | |
| 29 * away from 0. _cairo_round rounds halfway cases toward negative infinity. | |
| 30 * This matches the rounding behaviour of _cairo_lround. */ | |
| 31 static inline double cairo_const | |
| 32 _cairo_round (double r) | |
| 33 { | |
| 34 return floor (r + .5); | |
| 35 } | |
| 36 | |
| 37 -#if DISABLE_SOME_FLOATING_POINT | |
| 38 +#if DISABLE_SOME_FLOATING_POINT || __STDC_VERSION__ < 199901L | |
| 39 cairo_private int | |
| 40 _cairo_lround (double d) cairo_const; | |
| 41 #else | |
| 42 #define _cairo_lround lround | |
| 43 #endif | |
| 44 | |
| 45 cairo_private uint16_t | |
| 46 _cairo_half_from_float (float f) cairo_const; |
