Mesa (master): nir: replace magic numbers with M_PI

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Module: Mesa
Branch: master
Commit: 5d48359a2c5670d55f24e91229f59efc6368dcba
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5d48359a2c5670d55f24e91229f59efc6368dcba

Author: Karol Herbst <kherbst at redhat.com>
Date:   Mon Mar  4 19:11:12 2019 +0100

nir: replace magic numbers with M_PI

we define it inside 'include/c99_math.h' so it is safe to use.

Signed-off-by: Karol Herbst <kherbst at redhat.com>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/compiler/nir/nir_builtin_builder.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/nir/nir_builtin_builder.h b/src/compiler/nir/nir_builtin_builder.h
index d1435b37fd4..792fa08e8c5 100644
--- a/src/compiler/nir/nir_builtin_builder.h
+++ b/src/compiler/nir/nir_builtin_builder.h
@@ -60,7 +60,7 @@ nir_uclamp(nir_builder *b,
 static inline nir_ssa_def *
 nir_degrees(nir_builder *b, nir_ssa_def *val)
 {
-   return nir_fmul_imm(b, val, 57.2957795131);
+   return nir_fmul_imm(b, val, 180.0 / M_PI);
 }
 
 static inline nir_ssa_def *
@@ -78,7 +78,7 @@ nir_fast_normalize(nir_builder *b, nir_ssa_def *vec)
 static inline nir_ssa_def *
 nir_radians(nir_builder *b, nir_ssa_def *val)
 {
-   return nir_fmul_imm(b, val, 0.01745329251);
+   return nir_fmul_imm(b, val, M_PI / 180.0);
 }
 
 #endif /* NIR_BUILTIN_BUILDER_H */