mesa: Add definitions for inverse hyperbolic function on MSVC.

diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index 5d4ef9bbabaa1497eab9f3fe3c84edeb314a61d9..5ea647ad8d73a038e6fc2f8b1817f8fa5c08f793 100644 (file)
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -150,6 +150,9 @@ typedef union { GLfloat f; GLint i; } fi_type;
 static INLINE float truncf(float x) { return x < 0.0f ? ceilf(x) : floorf(x); }
 static INLINE float exp2f(float x) { return powf(2.0f, x); }
 static INLINE float log2f(float x) { return logf(x) * 1.442695041f; }
+static INLINE float asinhf(float x) { return logf(x + sqrtf(x * x + 1.0f)); }
+static INLINE float acoshf(float x) { return logf(x + sqrtf(x * x - 1.0f)); }
+static INLINE float atanhf(float x) { return (logf(1.0f + x) - logf(1.0f - x)) / 2.0f; }
 static INLINE int isblank(int ch) { return ch == ' ' || ch == '\t'; }
 #define strtoll(p, e, b) _strtoi64(p, e, b)
 #endif