From 8c02b94946c437ed841fe294442b1f0d2401c678 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zolt=C3=A1n=20V=C3=B6r=C3=B6s?= <zvoros@gmail.com>
Date: Sat, 5 Jun 2021 19:53:46 +0200
Subject: [PATCH] nrf: Add more math sources to Makefile, and enable log2
 implementation.

This commit adds a few math functions to the source list in the Makefile,
and implements the log2f function, so that ulab can be compiled on the nrf
boards.  It also addresses part of #5162.
---
 ports/nrf/Makefile       | 19 ++++++++++++++++++-
 ports/nrf/mpconfigport.h |  4 ++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/ports/nrf/Makefile b/ports/nrf/Makefile
index 8680950804..a3f914dbc1 100644
--- a/ports/nrf/Makefile
+++ b/ports/nrf/Makefile
@@ -160,8 +160,16 @@ SRC_LIB += $(addprefix lib/,\
         libm/sf_modf.c \
         libm/sf_ldexp.c \
         libm/asinfacosf.c \
+        libm/acoshf.c \
+        libm/asinhf.c \
         libm/atanf.c \
         libm/atan2f.c \
+        libm/atanhf.c \
+        libm/log1pf.c \
+        libm/sf_erf.c \
+        libm/erf_lgamma.c \
+        libm/wf_lgamma.c \
+        libm/wf_tgamma.c \
         libm/roundf.c \
 	)
 
@@ -186,8 +194,17 @@ SRC_LIB += $(addprefix lib/,\
         libm/sf_modf.c \
         libm/sf_ldexp.c \
         libm/asinfacosf.c \
+        libm/acoshf.c \
+        libm/asinhf.c \
         libm/atanf.c \
         libm/atan2f.c \
+        libm/atanhf.c \
+        libm/log1pf.c \
+        libm/sf_erf.c \
+        libm/erf_lgamma.c \
+        libm/wf_lgamma.c \
+        libm/wf_tgamma.c \
+        libm/roundf.c \
         )
 
 SRC_NRFX += $(addprefix lib/nrfx/drivers/src/,\
@@ -481,7 +498,7 @@ $(BUILD)/$(OUTPUT_FILENAME).elf: $(OBJ)
 	$(Q)$(SIZE) $@
 
 # List of sources for qstr extraction
-SRC_QSTR += $(SRC_C) $(SRC_LIB) $(DRIVERS_SRC_C) $(SRC_BOARD_MODULES) $(SRC_MOD) 
+SRC_QSTR += $(SRC_C) $(SRC_LIB) $(DRIVERS_SRC_C) $(SRC_BOARD_MODULES) $(SRC_MOD)
 
 # Append any auto-generated sources that are needed by sources listed in
 # SRC_QSTR
diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index 714b1cc24f..183fdf6818 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -330,3 +330,7 @@ extern const struct _mp_obj_module_t ble_module;
 #include <alloca.h>
 
 #define MICROPY_PIN_DEFS_PORT_H "pin_defs_nrf5.h"
+
+#ifndef MP_NEED_LOG2
+#define MP_NEED_LOG2                (1)
+#endif