Changeset 2482:98c1836272a8 in roaraudio

Timestamp:

08/23/09 16:07:35 (15 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

test for libm

Files:

• include/libroardsp/synth.h (modified) (2 diffs)
• libroardsp/synth.c (modified) (3 diffs)

include/libroardsp/synth.h

@@ -42 +42 @@
 
 // SYNF -> Synthesis Function
-#define ROAR_SYNTH_SYNF_SIN  ROAR_SYNTH_FUNC_CAST(sinf)
 #define ROAR_SYNTH_SYNF_RECT ROAR_SYNTH_FUNC_CAST(roar_synth_synf_rect)
 #define ROAR_SYNTH_SYNF_SAW  ROAR_SYNTH_FUNC_CAST(roar_synth_synf_saw)
 #define ROAR_SYNTH_SYNF_TRI  ROAR_SYNTH_FUNC_CAST(roar_synth_synf_tri)
 #define ROAR_SYNTH_SYNF_TRAP ROAR_SYNTH_FUNC_CAST(roar_synth_synf_trap)
+
+// those use sin*()
+#ifdef ROAR_HAVE_LIBM
+#define ROAR_SYNTH_SYNF_SIN  ROAR_SYNTH_FUNC_CAST(sinf)
 #define ROAR_SYNTH_SYNF_S2S  ROAR_SYNTH_FUNC_CAST(roar_synth_synf_s2s)
+#endif
 
 struct roar_synth_state {
@@ -70 +74 @@
 float roar_synth_synf_tri  (float t, struct roar_synth_state * state);
 float roar_synth_synf_trap (float t, struct roar_synth_state * state);
+
+#ifdef ROAR_HAVE_LIBM
 float roar_synth_synf_s2s  (float t, struct roar_synth_state * state);
+#endif
 
 #endif

libroardsp/synth.c

@@ -24 +24 @@
 
 #include "libroardsp.h"
+
+#if !defined(ROAR_HAVE_LIBM) && !defined(M_PI)
+#define M_PI 3.141592
+#endif
 
 #define _CHECK_BASIC() if ( state == NULL ) return -1
@@ -169 +173 @@
 }
 
+#ifdef ROAR_HAVE_LIBM
 float roar_synth_synf_s2s  (float t, struct roar_synth_state * state) {
  float sin2 = sinf(t/1.2);
@@ -174 +179 @@
  return sin2*sin2 * sin(t*1.2);
 }
+#endif
 
 //ll